metrics_service.cc revision 1320f92c476a1ad9d19dba2a48c72b75566198e9
1f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Description of the life cycle of a instance of MetricsService. 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// OVERVIEW 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 10c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// A MetricsService instance is typically created at application startup. It is 11c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// the central controller for the acquisition of log data, and the automatic 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// transmission of that log data to an external server. Its major job is to 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// manage logs, grouping them for transmission, and transmitting them. As part 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// of its grouping, MS finalizes logs by including some just-in-time gathered 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// memory statistics, snapshotting the current stats of numerous histograms, 16c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// closing the logs, translating to protocol buffer format, and compressing the 17c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// results for transmission. Transmission includes submitting a compressed log 18c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// as data in a URL-post, and retransmitting (or retaining at process 19c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// termination) if the attempted transmission failed. Retention across process 20c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// terminations is done using the the PrefServices facilities. The retained logs 21c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// (the ones that never got transmitted) are compressed and base64-encoded 22c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// before being persisted. 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Logs fall into one of two categories: "initial logs," and "ongoing logs." 255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// There is at most one initial log sent for each complete run of Chrome (from 265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// startup, to browser shutdown). An initial log is generally transmitted some 275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// short time (1 minute?) after startup, and includes stats such as recent crash 285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// info, the number and types of plugins, etc. The external server's response 295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// to the initial log conceptually tells this MS if it should continue 305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// transmitting logs (during this session). The server response can actually be 315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// much more detailed, and always includes (at a minimum) how often additional 325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// ongoing logs should be sent. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// After the above initial log, a series of ongoing logs will be transmitted. 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The first ongoing log actually begins to accumulate information stating when 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the MS was first constructed. Note that even though the initial log is 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// commonly sent a full minute after startup, the initial log does not include 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// much in the way of user stats. The most common interlog period (delay) 39eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch// is 30 minutes. That time period starts when the first user action causes a 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// logging event. This means that if there is no user action, there may be long 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// periods without any (ongoing) log transmissions. Ongoing logs typically 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// contain very detailed records of user activities (ex: opened tab, closed 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// tab, fetched URL, maximized window, etc.) In addition, just before an 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ongoing log is closed out, a call is made to gather memory statistics. Those 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// memory statistics are deposited into a histogram, and the log finalization 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// code is then called. In the finalization, a call to a Histogram server 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// acquires a list of all local histograms that have been flagged for upload 485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// to the UMA server. The finalization also acquires the most recent number 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// of page loads, along with any counts of renderer or plugin crashes. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// When the browser shuts down, there will typically be a fragment of an ongoing 525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// log that has not yet been transmitted. At shutdown time, that fragment is 535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// closed (including snapshotting histograms), and persisted, for potential 545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// transmission during a future run of the product. 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// There are two slightly abnormal shutdown conditions. There is a 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// "disconnected scenario," and a "really fast startup and shutdown" scenario. 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// In the "never connected" situation, the user has (during the running of the 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// process) never established an internet connection. As a result, attempts to 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// transmit the initial log have failed, and a lot(?) of data has accumulated in 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the ongoing log (which didn't yet get closed, because there was never even a 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// contemplation of sending it). There is also a kindred "lost connection" 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// situation, where a loss of connection prevented an ongoing log from being 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// transmitted, and a (still open) log was stuck accumulating a lot(?) of data, 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// while the earlier log retried its transmission. In both of these 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// disconnected situations, two logs need to be, and are, persistently stored 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// for future transmission. 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The other unusual shutdown condition, termed "really fast startup and 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// shutdown," involves the deliberate user termination of the process before 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the initial log is even formed or transmitted. In that situation, no logging 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// is done, but the historical crash statistics remain (unlogged) for inclusion 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// in a future run's initial log. (i.e., we don't lose crash stats). 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// With the above overview, we can now describe the state machine's various 765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// states, based on the State enum specified in the state_ member. Those states 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// are: 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// INITIALIZED, // Constructor was called. 805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// INIT_TASK_SCHEDULED, // Waiting for deferred init tasks to finish. 815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// INIT_TASK_DONE, // Waiting for timer to send initial log. 825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// SENDING_INITIAL_STABILITY_LOG, // Initial stability log being sent. 835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// SENDING_INITIAL_METRICS_LOG, // Initial metrics log being sent. 845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// SENDING_OLD_LOGS, // Sending unsent logs from previous session. 855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// SENDING_CURRENT_LOGS, // Sending ongoing logs as they acrue. 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// In more detail, we have: 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// INITIALIZED, // Constructor was called. 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The MS has been constructed, but has taken no actions to compose the 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// initial log. 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// INIT_TASK_SCHEDULED, // Waiting for deferred init tasks to finish. 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Typically about 30 seconds after startup, a task is sent to a second thread 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (the file thread) to perform deferred (lower priority and slower) 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// initialization steps such as getting the list of plugins. That task will 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (when complete) make an async callback (via a Task) to indicate the 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// completion. 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// INIT_TASK_DONE, // Waiting for timer to send initial log. 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The callback has arrived, and it is now possible for an initial log to be 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// created. This callback typically arrives back less than one second after 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the deferred init task is dispatched. 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// SENDING_INITIAL_STABILITY_LOG, // Initial stability log being sent. 1065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// During initialization, if a crash occurred during the previous session, an 1075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// initial stability log will be generated and registered with the log manager. 1085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// This state will be entered if a stability log was prepared during metrics 1095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// service initialization (in InitializeMetricsRecordingState()) and is waiting 1105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// to be transmitted when it's time to send up the first log (per the reporting 1115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// scheduler). If there is no initial stability log (e.g. there was no previous 1125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// crash), then this state will be skipped and the state will advance to 1135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// SENDING_INITIAL_METRICS_LOG. 1145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// 1155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// SENDING_INITIAL_METRICS_LOG, // Initial metrics log being sent. 1165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// This state is entered after the initial metrics log has been composed, and 1175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// prepared for transmission. This happens after SENDING_INITIAL_STABILITY_LOG 1185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// if there was an initial stability log (see above). It is also the case that 1195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// any previously unsent logs have been loaded into instance variables for 1205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// possible transmission. 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// SENDING_OLD_LOGS, // Sending unsent logs from previous session. 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This state indicates that the initial log for this session has been 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// successfully sent and it is now time to send any logs that were 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// saved from previous sessions. All such logs will be transmitted before 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// exiting this state, and proceeding with ongoing logs from the current session 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// (see next state). 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// SENDING_CURRENT_LOGS, // Sending standard current logs as they accrue. 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Current logs are being accumulated. Typically every 20 minutes a log is 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// closed and finalized for transmission, at the same time as a new log is 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// started. 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The progression through the above states is simple, and sequential, in the 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// most common use cases. States proceed from INITIAL to SENDING_CURRENT_LOGS, 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// and remain in the latter until shutdown. 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The one unusual case is when the user asks that we stop logging. When that 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// happens, any staged (transmission in progress) log is persisted, and any log 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// that is currently accumulating is also finalized and persisted. We then 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// regress back to the SEND_OLD_LOGS state in case the user enables log 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// recording again during this session. This way anything we have persisted 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// will be sent automatically if/when we progress back to SENDING_CURRENT_LOG 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// state. 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Another similar case is on mobile, when the application is backgrounded and 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// then foregrounded again. Backgrounding created new "old" stored logs, so the 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// state drops back from SENDING_CURRENT_LOGS to SENDING_OLD_LOGS so those logs 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// will be sent. 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Also note that whenever we successfully send an old log, we mirror the list 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// of logs into the PrefService. This ensures that IF we crash, we won't start 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// up and retransmit our old logs again. 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Due to race conditions, it is always possible that a log file could be sent 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// twice. For example, if a log file is sent, but not yet acknowledged by 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the external server, and the user shuts down, then a copy of the log may be 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// saved for re-transmission. These duplicates could be filtered out server 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// side, but are not expected to be a significant problem. 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 164f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)#include "components/metrics/metrics_service.h" 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <algorithm> 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/callback.h" 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/metrics/histogram.h" 171cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "base/metrics/histogram_base.h" 172cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "base/metrics/histogram_samples.h" 1732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/metrics/sparse_histogram.h" 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/metrics/statistics_recorder.h" 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/prefs/pref_registry_simple.h" 1762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/prefs/pref_service.h" 1772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/strings/string_number_conversions.h" 178868fa2fe829687343ffae624259930155e16dbd8Torne (Richard Coles)#include "base/strings/utf_string_conversions.h" 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/threading/platform_thread.h" 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/threading/thread.h" 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/threading/thread_restrictions.h" 182116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "base/time/time.h" 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/tracked_objects.h" 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/values.h" 18546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#include "components/metrics/metrics_log.h" 186010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)#include "components/metrics/metrics_log_manager.h" 18746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#include "components/metrics/metrics_log_uploader.h" 188cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "components/metrics/metrics_pref_names.h" 189cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "components/metrics/metrics_reporting_scheduler.h" 190cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "components/metrics/metrics_service_client.h" 19146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#include "components/metrics/metrics_state_manager.h" 192424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)#include "components/variations/entropy_provider.h" 1931e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 1941320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccinamespace metrics { 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Check to see that we're being called on only one thread. 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool IsSingleThreaded() { 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static base::PlatformThreadId thread_id = 0; 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!thread_id) 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) thread_id = base::PlatformThread::CurrentId(); 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return base::PlatformThread::CurrentId() == thread_id; 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The delay, in seconds, after starting recording before doing expensive 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// initialization work. 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_ANDROID) || defined(OS_IOS) 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// On mobile devices, a significant portion of sessions last less than a minute. 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use a shorter timer on these platforms to avoid losing data. 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// TODO(dfalcantara): To avoid delaying startup, tighten up initialization so 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// that it occurs after the user gets their initial page. 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kInitializationDelaySeconds = 5; 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kInitializationDelaySeconds = 30; 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The maximum number of events in a log uploaded to the UMA server. 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kEventLimit = 2400; 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// If an upload fails, and the transmission was over this byte count, then we 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// will discard the log, and not try to retransmit it. We also don't persist 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// the log to the prefs for transmission during the next chrome session if this 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// limit is exceeded. 2256d86b77056ed63eb6871182f42a9fd5f07550f90Torne (Richard Coles)const size_t kUploadLogAvoidRetransmitSize = 100 * 1024; 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Interval, in minutes, between state saves. 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const int kSaveStateIntervalMinutes = 5; 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 230cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)// The metrics server's URL. 231cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)const char kServerUrl[] = "https://clients4.google.com/uma/v2"; 232cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 233cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)// The MIME type for the uploaded metrics data. 234cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)const char kMimeType[] = "application/vnd.chrome.uma"; 235cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)enum ResponseStatus { 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UNKNOWN_FAILURE, 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SUCCESS, 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BAD_REQUEST, // Invalid syntax or log too large. 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NO_RESPONSE, 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NUM_RESPONSE_STATUSES 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ResponseStatus ResponseCodeToStatus(int response_code) { 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (response_code) { 24646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) case -1: 24746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) return NO_RESPONSE; 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case 200: 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return SUCCESS; 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case 400: 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return BAD_REQUEST; 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return UNKNOWN_FAILURE; 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2571320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccivoid MarkAppCleanShutdownAndCommit(CleanExitBeacon* clean_exit_beacon, 2581320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci PrefService* local_state) { 2591320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci clean_exit_beacon->WriteBeaconValue(true); 260f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state->SetInteger(metrics::prefs::kStabilityExecutionPhase, 261cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) MetricsService::SHUTDOWN_COMPLETE); 2622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Start writing right away (write happens on a different thread). 263cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state->CommitPendingWrite(); 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 268f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 269a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)SyntheticTrialGroup::SyntheticTrialGroup(uint32 trial, uint32 group) { 270f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) id.name = trial; 271f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) id.group = group; 272f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 273f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 274f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)SyntheticTrialGroup::~SyntheticTrialGroup() { 275f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 276f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MetricsService::ShutdownCleanliness MetricsService::clean_shutdown_status_ = 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MetricsService::CLEANLY_SHUTDOWN; 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2811e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)MetricsService::ExecutionPhase MetricsService::execution_phase_ = 282f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) MetricsService::UNINITIALIZED_PHASE; 2831e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void MetricsService::RegisterPrefs(PrefRegistrySimple* registry) { 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 287010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) metrics::MetricsStateManager::RegisterPrefs(registry); 28846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) MetricsLog::RegisterPrefs(registry); 289010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 290116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch registry->RegisterInt64Pref(metrics::prefs::kInstallDate, 0); 291116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 292f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterInt64Pref(metrics::prefs::kStabilityLaunchTimeSec, 0); 293f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterInt64Pref(metrics::prefs::kStabilityLastTimestampSec, 0); 294f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterStringPref(metrics::prefs::kStabilityStatsVersion, 295f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) std::string()); 296f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterInt64Pref(metrics::prefs::kStabilityStatsBuildTime, 0); 297f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterBooleanPref(metrics::prefs::kStabilityExitedCleanly, true); 298f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterIntegerPref(metrics::prefs::kStabilityExecutionPhase, 299f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) UNINITIALIZED_PHASE); 300f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterBooleanPref(metrics::prefs::kStabilitySessionEndCompleted, 301f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) true); 30246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) registry->RegisterIntegerPref(metrics::prefs::kMetricsSessionID, -1); 303a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 304cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) registry->RegisterListPref(metrics::prefs::kMetricsInitialLogs); 305cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) registry->RegisterListPref(metrics::prefs::kMetricsOngoingLogs); 3062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 307f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterInt64Pref(metrics::prefs::kUninstallLaunchCount, 0); 308f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterInt64Pref(metrics::prefs::kUninstallMetricsUptimeSec, 0); 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 311cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)MetricsService::MetricsService(metrics::MetricsStateManager* state_manager, 312cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) metrics::MetricsServiceClient* client, 313cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PrefService* local_state) 314cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) : log_manager_(local_state, kUploadLogAvoidRetransmitSize), 315cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) histogram_snapshot_manager_(this), 316cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) state_manager_(state_manager), 317cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_(client), 318cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state_(local_state), 3191320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci clean_exit_beacon_(client->GetRegistryBackupKey(), local_state), 320effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch recording_active_(false), 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reporting_active_(false), 3225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) test_mode_active_(false), 3235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_(INITIALIZED), 3245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) has_initial_stability_log_(false), 32546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_upload_in_progress_(false), 3265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) idle_since_last_transmission_(false), 3275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) session_id_(-1), 328c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) self_ptr_factory_(this), 32946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) state_saver_factory_(this) { 3305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 331010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) DCHECK(state_manager_); 332cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(client_); 333cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(local_state_); 334116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 335116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Set the install date if this is our first run. 336116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch int64 install_date = local_state_->GetInt64(metrics::prefs::kInstallDate); 337116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (install_date == 0) { 338116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch local_state_->SetInt64(metrics::prefs::kInstallDate, 339116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch base::Time::Now().ToTimeT()); 340116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 3415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MetricsService::~MetricsService() { 3445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DisableRecording(); 3455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 347010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)void MetricsService::InitializeMetricsRecordingState() { 348010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) InitializeMetricsState(); 3495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Closure callback = base::Bind(&MetricsService::StartScheduledUpload, 3515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) self_ptr_factory_.GetWeakPtr()); 3525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scheduler_.reset(new MetricsReportingScheduler(callback)); 3535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 3545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::Start() { 3565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HandleIdleSinceLastTransmission(false); 3575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnableRecording(); 3585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnableReporting(); 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 361010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)bool MetricsService::StartIfMetricsReportingEnabled() { 362010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) const bool enabled = state_manager_->IsMetricsReportingEnabled(); 363010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (enabled) 364010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) Start(); 365010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return enabled; 366010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)} 367010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::StartRecordingForTests() { 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) test_mode_active_ = true; 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnableRecording(); 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DisableReporting(); 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::Stop() { 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HandleIdleSinceLastTransmission(false); 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DisableReporting(); 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DisableRecording(); 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::EnableReporting() { 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (reporting_active_) 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 3835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reporting_active_ = true; 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StartSchedulerIfNecessary(); 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::DisableReporting() { 3885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reporting_active_ = false; 3895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string MetricsService::GetClientId() { 392010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return state_manager_->client_id(); 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395116680a4aac90f2aa7413d9095a592090648e557Ben Murdochint64 MetricsService::GetInstallDate() { 396116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return local_state_->GetInt64(metrics::prefs::kInstallDate); 397116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch} 398116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)scoped_ptr<const base::FieldTrial::EntropyProvider> 400010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)MetricsService::CreateEntropyProvider() { 401010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // TODO(asvitkine): Refactor the code so that MetricsService does not expose 402010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // this method. 403010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return state_manager_->CreateEntropyProvider(); 4045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::EnableRecording() { 4075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 4085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (recording_active_) 4105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 4115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) recording_active_ = true; 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 413010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) state_manager_->ForceClientIdCreation(); 414116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch client_->SetMetricsClientId(state_manager_->client_id()); 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!log_manager_.current_log()) 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OpenNewLog(); 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 418cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) for (size_t i = 0; i < metrics_providers_.size(); ++i) 419cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) metrics_providers_[i]->OnRecordingEnabled(); 420cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 4215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::RemoveActionCallback(action_callback_); 4222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) action_callback_ = base::Bind(&MetricsService::OnUserAction, 4232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(this)); 4245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::AddActionCallback(action_callback_); 4255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::DisableRecording() { 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!recording_active_) 4315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) recording_active_ = false; 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::RemoveActionCallback(action_callback_); 435cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 436cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) for (size_t i = 0; i < metrics_providers_.size(); ++i) 437cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) metrics_providers_[i]->OnRecordingDisabled(); 438cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PushPendingLogsToPersistentStorage(); 4405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool MetricsService::recording_active() const { 4435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 4445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return recording_active_; 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool MetricsService::reporting_active() const { 4485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 4495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return reporting_active_; 4505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 452cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::RecordDelta(const base::HistogramBase& histogram, 453cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const base::HistogramSamples& snapshot) { 454cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) log_manager_.current_log()->RecordHistogramDelta(histogram.histogram_name(), 455cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) snapshot); 456cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 4575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 458cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::InconsistencyDetected( 459cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::HistogramBase::Inconsistency problem) { 460cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesBrowser", 461cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) problem, base::HistogramBase::NEVER_EXCEEDED_VALUE); 462cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 463a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 464cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::UniqueInconsistencyDetected( 465cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::HistogramBase::Inconsistency problem) { 466cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesBrowserUnique", 467cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) problem, base::HistogramBase::NEVER_EXCEEDED_VALUE); 468cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 469a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 470cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::InconsistencyDetectedInLoggedCount(int amount) { 471cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) UMA_HISTOGRAM_COUNTS("Histogram.InconsistentSnapshotBrowser", 472cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::abs(amount)); 4735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::HandleIdleSinceLastTransmission(bool in_idle) { 4765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there wasn't a lot of action, maybe the computer was asleep, in which 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // case, the log transmissions should have stopped. Here we start them up 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // again. 4795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!in_idle && idle_since_last_transmission_) 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StartSchedulerIfNecessary(); 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) idle_since_last_transmission_ = in_idle; 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 484cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::OnApplicationNotIdle() { 485cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (recording_active_) 486cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) HandleIdleSinceLastTransmission(false); 487cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 488cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 4895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordStartOfSessionEnd() { 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LogCleanShutdown(); 491f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) RecordBooleanPrefValue(metrics::prefs::kStabilitySessionEndCompleted, false); 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordCompletedSessionEnd() { 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LogCleanShutdown(); 496f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) RecordBooleanPrefValue(metrics::prefs::kStabilitySessionEndCompleted, true); 4975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_ANDROID) || defined(OS_IOS) 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::OnAppEnterBackground() { 5015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->Stop(); 5025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5031320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci MarkAppCleanShutdownAndCommit(&clean_exit_beacon_, local_state_); 5045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // At this point, there's no way of knowing when the process will be 5065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // killed, so this has to be treated similar to a shutdown, closing and 5075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // persisting all logs. Unlinke a shutdown, the state is primed to be ready 5085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to continue logging and uploading if the process does return. 5095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (recording_active() && state_ >= SENDING_INITIAL_STABILITY_LOG) { 5105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PushPendingLogsToPersistentStorage(); 5115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Persisting logs closes the current log, so start recording a new log 5125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // immediately to capture any background work that might be done before the 5135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // process is killed. 5145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OpenNewLog(); 5155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::OnAppEnterForeground() { 5191320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci clean_exit_beacon_.WriteBeaconValue(false); 5205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StartSchedulerIfNecessary(); 5215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#else 5231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccivoid MetricsService::LogNeedForCleanShutdown() { 5241320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci clean_exit_beacon_.WriteBeaconValue(false); 5252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Redundant setting to be sure we call for a clean shutdown. 5262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) clean_shutdown_status_ = NEED_TO_SHUTDOWN; 5272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif // defined(OS_ANDROID) || defined(OS_IOS) 5295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 530f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)// static 531cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::SetExecutionPhase(ExecutionPhase execution_phase, 532cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PrefService* local_state) { 533f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) execution_phase_ = execution_phase; 534f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state->SetInteger(metrics::prefs::kStabilityExecutionPhase, 535f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) execution_phase_); 536f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 537f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordBreakpadRegistration(bool success) { 5395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!success) 54046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityBreakpadRegistrationFail); 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 54246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityBreakpadRegistrationSuccess); 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordBreakpadHasDebugger(bool has_debugger) { 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!has_debugger) 54746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityDebuggerNotPresent); 5485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 54946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityDebuggerPresent); 5505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// private methods 5545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Initialization methods 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 560010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)void MetricsService::InitializeMetricsState() { 5611320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci const int64 buildtime = MetricsLog::GetBuildTime(); 5621320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci const std::string version = client_->GetVersionString(); 5631320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci bool version_changed = false; 5641320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (local_state_->GetInt64(prefs::kStabilityStatsBuildTime) != buildtime || 5651320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci local_state_->GetString(prefs::kStabilityStatsVersion) != version) { 5661320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci local_state_->SetString(metrics::prefs::kStabilityStatsVersion, version); 5671320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci local_state_->SetInt64(metrics::prefs::kStabilityStatsBuildTime, buildtime); 5681320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci version_changed = true; 5691320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 5705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 571116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch log_manager_.LoadPersistedUnsentLogs(); 572116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 57346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) session_id_ = local_state_->GetInteger(metrics::prefs::kMetricsSessionID); 5745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5751320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!clean_exit_beacon_.exited_cleanly()) { 57646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityCrashCount); 5775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Reset flag, and wait until we call LogNeedForCleanShutdown() before 5785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // monitoring. 5791320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci clean_exit_beacon_.WriteBeaconValue(true); 5801320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 5811e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 5821320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!clean_exit_beacon_.exited_cleanly() || ProvidersHaveStabilityMetrics()) { 5831e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // TODO(rtenneti): On windows, consider saving/getting execution_phase from 5841e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // the registry. 585cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) int execution_phase = 586f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->GetInteger(metrics::prefs::kStabilityExecutionPhase); 587f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) UMA_HISTOGRAM_SPARSE_SLOWLY("Chrome.Browser.CrashedExecutionPhase", 5881e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) execution_phase); 5895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 5901320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // If the previous session didn't exit cleanly, or if any provider 5911320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // explicitly requests it, prepare an initial stability log - 5921320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // provided UMA is enabled. 593010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (state_manager_->IsMetricsReportingEnabled()) 5945d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PrepareInitialStabilityLog(); 5955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5965d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 5971320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // If no initial stability log was generated and there was a version upgrade, 5981320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // clear the stability stats from the previous version (so that they don't get 5991320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // attributed to the current version). This could otherwise happen due to a 6001320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // number of different edge cases, such as if the last version crashed before 6011320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // it could save off a system profile or if UMA reporting is disabled (which 6021320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // normally results in stats being accumulated). 6031320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!has_initial_stability_log_ && version_changed) { 6041320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci for (size_t i = 0; i < metrics_providers_.size(); ++i) 6051320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci metrics_providers_[i]->ClearSavedStabilityMetrics(); 6061320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 6071320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // Reset the prefs that are managed by MetricsService/MetricsLog directly. 6081320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci local_state_->SetInteger(prefs::kStabilityCrashCount, 0); 6091320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci local_state_->SetInteger(prefs::kStabilityExecutionPhase, 6101320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci UNINITIALIZED_PHASE); 6111320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci local_state_->SetInteger(prefs::kStabilityIncompleteSessionEndCount, 0); 6121320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci local_state_->SetInteger(prefs::kStabilityLaunchCount, 0); 6131320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci local_state_->SetBoolean(prefs::kStabilitySessionEndCompleted, true); 6141320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 6151320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 6165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Update session ID. 6175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ++session_id_; 61846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) local_state_->SetInteger(metrics::prefs::kMetricsSessionID, session_id_); 6195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 6205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Stability bookkeeping 62146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityLaunchCount); 6225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 623f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DCHECK_EQ(UNINITIALIZED_PHASE, execution_phase_); 624cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) SetExecutionPhase(START_METRICS_RECORDING, local_state_); 6253551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 626f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (!local_state_->GetBoolean( 627f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) metrics::prefs::kStabilitySessionEndCompleted)) { 62846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityIncompleteSessionEndCount); 6295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is marked false when we get a WM_ENDSESSION. 630f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->SetBoolean(metrics::prefs::kStabilitySessionEndCompleted, 631f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) true); 6325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 6335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 634a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Call GetUptimes() for the first time, thus allowing all later calls 635a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // to record incremental uptimes accurately. 636a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta ignored_uptime_parameter; 637a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta startup_uptime; 638cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) GetUptimes(local_state_, &startup_uptime, &ignored_uptime_parameter); 6394e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) DCHECK_EQ(0, startup_uptime.InMicroseconds()); 6405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For backwards compatibility, leave this intact in case Omaha is checking 641f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // them. metrics::prefs::kStabilityLastTimestampSec may also be useless now. 6425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(jar): Delete these if they have no uses. 643f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->SetInt64(metrics::prefs::kStabilityLaunchTimeSec, 6441320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci base::Time::Now().ToTimeT()); 6455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Bookkeeping for the uninstall metrics. 647f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) IncrementLongPrefsValue(metrics::prefs::kUninstallLaunchCount); 6485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Kick off the process of saving the state (so the uptime numbers keep 6505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // getting updated) every n minutes. 6515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ScheduleNextStateSave(); 6525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void MetricsService::OnUserAction(const std::string& action) { 655a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!ShouldLogEvents()) 6562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 6572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 658c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch log_manager_.current_log()->RecordUserAction(action); 6592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) HandleIdleSinceLastTransmission(false); 6602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 662f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)void MetricsService::FinishedGatheringInitialMetrics() { 6635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(INIT_TASK_SCHEDULED, state_); 6644e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) state_ = INIT_TASK_DONE; 66546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 66646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // Create the initial log. 66746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (!initial_metrics_log_.get()) { 66846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) initial_metrics_log_ = CreateLog(MetricsLog::ONGOING_LOG); 66946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) NotifyOnDidCreateMetricsLog(); 67046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) } 67146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 672a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) scheduler_->InitTaskComplete(); 6734e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)} 6744e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 675a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void MetricsService::GetUptimes(PrefService* pref, 676a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta* incremental_uptime, 677a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta* uptime) { 6784e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) base::TimeTicks now = base::TimeTicks::Now(); 679a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // If this is the first call, init |first_updated_time_| and 680a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // |last_updated_time_|. 681a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (last_updated_time_.is_null()) { 682a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) first_updated_time_ = now; 6834e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) last_updated_time_ = now; 684a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 685a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) *incremental_uptime = now - last_updated_time_; 686a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) *uptime = now - first_updated_time_; 6874e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) last_updated_time_ = now; 6884e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 689a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const int64 incremental_time_secs = incremental_uptime->InSeconds(); 6904e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (incremental_time_secs > 0) { 691f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) int64 metrics_uptime = 692f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) pref->GetInt64(metrics::prefs::kUninstallMetricsUptimeSec); 6934e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) metrics_uptime += incremental_time_secs; 694f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) pref->SetInt64(metrics::prefs::kUninstallMetricsUptimeSec, metrics_uptime); 6954e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 6965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 698cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::NotifyOnDidCreateMetricsLog() { 6991320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci DCHECK(IsSingleThreaded()); 700cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) for (size_t i = 0; i < metrics_providers_.size(); ++i) 701cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) metrics_providers_[i]->OnDidCreateMetricsLog(); 702cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 703cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 7045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 7055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// State save methods 7065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::ScheduleNextStateSave() { 7085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_saver_factory_.InvalidateWeakPtrs(); 7095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 71090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) base::MessageLoop::current()->PostDelayedTask(FROM_HERE, 7115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&MetricsService::SaveLocalState, 7125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_saver_factory_.GetWeakPtr()), 7135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta::FromMinutes(kSaveStateIntervalMinutes)); 7145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::SaveLocalState() { 717cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) RecordCurrentState(local_state_); 7185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(jar):110021 Does this run down the batteries???? 7205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ScheduleNextStateSave(); 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 7255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Recording control methods 7265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::OpenNewLog() { 7285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!log_manager_.current_log()); 7295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 73046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_manager_.BeginLoggingWithLog(CreateLog(MetricsLog::ONGOING_LOG)); 731cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) NotifyOnDidCreateMetricsLog(); 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (state_ == INITIALIZED) { 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We only need to schedule that run once. 7345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = INIT_TASK_SCHEDULED; 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 736f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) base::MessageLoop::current()->PostDelayedTask( 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FROM_HERE, 738cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::Bind(&MetricsService::StartGatheringMetrics, 739cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) self_ptr_factory_.GetWeakPtr()), 7405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta::FromSeconds(kInitializationDelaySeconds)); 7415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 744cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::StartGatheringMetrics() { 745cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_->StartGatheringMetrics( 746f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) base::Bind(&MetricsService::FinishedGatheringInitialMetrics, 747cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) self_ptr_factory_.GetWeakPtr())); 748cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 749cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::CloseCurrentLog() { 7515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!log_manager_.current_log()) 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 7535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(jar): Integrate bounds on log recording more consistently, so that we 7555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // can stop recording logs that are too big much sooner. 7565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_manager_.current_log()->num_events() > kEventLimit) { 7575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UMA_HISTOGRAM_COUNTS("UMA.Discarded Log Events", 7585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.current_log()->num_events()); 7595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.DiscardCurrentLog(); 7605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OpenNewLog(); // Start trivial log to hold our histograms. 7615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Put incremental data (histogram deltas, and realtime stats deltas) at the 7645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // end of all log transmissions (initial log handles this separately). 7655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // RecordIncrementalStabilityElements only exists on the derived 7665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // MetricsLog class. 767116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch MetricsLog* current_log = log_manager_.current_log(); 7685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(current_log); 769cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::vector<variations::ActiveGroupId> synthetic_trials; 770f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) GetCurrentSyntheticFieldTrials(&synthetic_trials); 771116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch current_log->RecordEnvironment( 772116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch metrics_providers_.get(), synthetic_trials, GetInstallDate()); 773a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta incremental_uptime; 774a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta uptime; 775cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) GetUptimes(local_state_, &incremental_uptime, &uptime); 776cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) current_log->RecordStabilityMetrics(metrics_providers_.get(), 777cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) incremental_uptime, uptime); 778f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 7795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RecordCurrentHistograms(); 780cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) current_log->RecordGeneralMetrics(metrics_providers_.get()); 7815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.FinishCurrentLog(); 7835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::PushPendingLogsToPersistentStorage() { 7865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (state_ < SENDING_INITIAL_STABILITY_LOG) 7875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; // We didn't and still don't have time to get plugin list etc. 7885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CloseCurrentLog(); 7905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.PersistUnsentLogs(); 7915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there was a staged and/or current log, then there is now at least one 7935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // log waiting to be uploaded. 7945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_manager_.has_unsent_logs()) 7955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = SENDING_OLD_LOGS; 7965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 7995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Transmission of logs methods 8005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::StartSchedulerIfNecessary() { 8025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Never schedule cutting or uploading of logs in test mode. 8035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (test_mode_active_) 8045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Even if reporting is disabled, the scheduler is needed to trigger the 8075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // creation of the initial log, which must be done in order for any logs to be 8085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // persisted on shutdown or backgrounding. 8095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (recording_active() && 8105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) (reporting_active() || state_ < SENDING_INITIAL_STABILITY_LOG)) { 8115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->Start(); 8125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 8135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::StartScheduledUpload() { 8165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we're getting no notifications, then the log won't have much in it, and 8175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // it's possible the computer is about to go to sleep, so don't upload and 8185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // stop the scheduler. 8195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If recording has been turned off, the scheduler doesn't need to run. 8205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If reporting is off, proceed if the initial log hasn't been created, since 8215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that has to happen in order for logs to be cut and stored when persisting. 822cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // TODO(stuartmorgan): Call Stop() on the scheduler when reporting and/or 8235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // recording are turned off instead of letting it fire and then aborting. 8245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (idle_since_last_transmission_ || 8255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !recording_active() || 8265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) (!reporting_active() && state_ >= SENDING_INITIAL_STABILITY_LOG)) { 8275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->Stop(); 8285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->UploadCancelled(); 8295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the callback was to upload an old log, but there no longer is one, 8335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // just report success back to the scheduler to begin the ongoing log 8345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // callbacks. 8355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(stuartmorgan): Consider removing the distinction between 8365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // SENDING_OLD_LOGS and SENDING_CURRENT_LOGS to simplify the state machine 8375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // now that the log upload flow is the same for both modes. 8385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (state_ == SENDING_OLD_LOGS && !log_manager_.has_unsent_logs()) { 8395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = SENDING_CURRENT_LOGS; 8405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->UploadFinished(true /* healthy */, false /* no unsent logs */); 8415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there are unsent logs, send the next one. If not, start the asynchronous 8445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // process of finalizing the current log for upload. 8455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (state_ == SENDING_OLD_LOGS) { 8465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(log_manager_.has_unsent_logs()); 8475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.StageNextLogForUpload(); 8485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendStagedLog(); 8495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 850cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_->CollectFinalMetrics( 851cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::Bind(&MetricsService::OnFinalLogInfoCollectionDone, 852cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) self_ptr_factory_.GetWeakPtr())); 8531e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) } 8545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::OnFinalLogInfoCollectionDone() { 85746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // If somehow there is a log upload in progress, we return and hope things 85846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // work out. The scheduler isn't informed since if this happens, the scheduler 8595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // will get a response from the upload. 86046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) DCHECK(!log_upload_in_progress_); 86146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (log_upload_in_progress_) 8625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Abort if metrics were turned off during the final info gathering. 8655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!recording_active()) { 8665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->Stop(); 8675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->UploadCancelled(); 8685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StageNewLog(); 8725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If logs shouldn't be uploaded, stop here. It's important that this check 8745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // be after StageNewLog(), otherwise the previous logs will never be loaded, 8755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and thus the open log won't be persisted. 8765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(stuartmorgan): This is unnecessarily complicated; restructure loading 8775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // of previous logs to not require running part of the upload logic. 8785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // http://crbug.com/157337 8795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!reporting_active()) { 8805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->Stop(); 8815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->UploadCancelled(); 8825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendStagedLog(); 8865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::StageNewLog() { 8895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_manager_.has_staged_log()) 8905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (state_) { 8935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case INITIALIZED: 8945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case INIT_TASK_SCHEDULED: // We should be further along by now. 8955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 8965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case INIT_TASK_DONE: 8995d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (has_initial_stability_log_) { 9005d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // There's an initial stability log, ready to send. 9015d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.StageNextLogForUpload(); 9025d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) has_initial_stability_log_ = false; 9035d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) state_ = SENDING_INITIAL_STABILITY_LOG; 9045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 905c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch PrepareInitialMetricsLog(); 9065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) state_ = SENDING_INITIAL_METRICS_LOG; 9075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 9085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 9095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SENDING_OLD_LOGS: 9115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); // Shouldn't be staging a new log during old log sending. 9125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 9135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SENDING_CURRENT_LOGS: 9155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CloseCurrentLog(); 9165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OpenNewLog(); 9175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.StageNextLogForUpload(); 9185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 9195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 9215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 9225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 9235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(log_manager_.has_staged_log()); 9265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 9275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9281320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tuccibool MetricsService::ProvidersHaveStabilityMetrics() { 9291320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci // Check whether any metrics provider has stability metrics. 9301320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci for (size_t i = 0; i < metrics_providers_.size(); ++i) { 9311320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (metrics_providers_[i]->HasStabilityMetrics()) 9321320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return true; 9331320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } 9341320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 9351320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci return false; 9361320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} 9371320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 9385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void MetricsService::PrepareInitialStabilityLog() { 9395d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK_EQ(INITIALIZED, state_); 9405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<MetricsLog> initial_stability_log( 942cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) CreateLog(MetricsLog::INITIAL_STABILITY_LOG)); 943cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 944cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Do not call NotifyOnDidCreateMetricsLog here because the stability 945cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // log describes stats from the _previous_ session. 946cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 9475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!initial_stability_log->LoadSavedEnvironmentFromPrefs()) 9485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 949cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 9505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.PauseCurrentLog(); 95146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_manager_.BeginLoggingWithLog(initial_stability_log.Pass()); 952cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 953cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Note: Some stability providers may record stability stats via histograms, 954cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // so this call has to be after BeginLoggingWithLog(). 95546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_manager_.current_log()->RecordStabilityMetrics( 95646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) metrics_providers_.get(), base::TimeDelta(), base::TimeDelta()); 9575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordCurrentStabilityHistograms(); 958cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 959cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Note: RecordGeneralMetrics() intentionally not called since this log is for 960cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // stability stats from a previous session only. 961cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 9625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.FinishCurrentLog(); 9635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.ResumePausedLog(); 9645d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9655d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Store unsent logs, including the stability log that was just saved, so 9665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // that they're not lost in case of a crash before upload time. 9675d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.PersistUnsentLogs(); 9685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) has_initial_stability_log_ = true; 9705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 9715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 972c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochvoid MetricsService::PrepareInitialMetricsLog() { 9735d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(state_ == INIT_TASK_DONE || state_ == SENDING_INITIAL_STABILITY_LOG); 974f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 975cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::vector<variations::ActiveGroupId> synthetic_trials; 976f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) GetCurrentSyntheticFieldTrials(&synthetic_trials); 977cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) initial_metrics_log_->RecordEnvironment(metrics_providers_.get(), 978116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch synthetic_trials, 979116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch GetInstallDate()); 980a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta incremental_uptime; 981a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta uptime; 982cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) GetUptimes(local_state_, &incremental_uptime, &uptime); 9835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Histograms only get written to the current log, so make the new log current 9855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // before writing them. 9865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.PauseCurrentLog(); 98746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_manager_.BeginLoggingWithLog(initial_metrics_log_.Pass()); 988cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 989cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Note: Some stability providers may record stability stats via histograms, 990cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // so this call has to be after BeginLoggingWithLog(). 991116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch MetricsLog* current_log = log_manager_.current_log(); 992cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) current_log->RecordStabilityMetrics(metrics_providers_.get(), 993cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::TimeDelta(), base::TimeDelta()); 9945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RecordCurrentHistograms(); 995cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 996cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) current_log->RecordGeneralMetrics(metrics_providers_.get()); 997cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 9985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.FinishCurrentLog(); 9995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.ResumePausedLog(); 10005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1001116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Store unsent logs, including the initial log that was just saved, so 1002116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // that they're not lost in case of a crash before upload time. 1003116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch log_manager_.PersistUnsentLogs(); 1004116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch 10055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!log_manager_.has_staged_log()); 10065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.StageNextLogForUpload(); 10075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::SendStagedLog() { 10105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(log_manager_.has_staged_log()); 101146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (!log_manager_.has_staged_log()) 101246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) return; 10135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 101446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) DCHECK(!log_upload_in_progress_); 101546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_upload_in_progress_ = true; 10165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 101746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (!log_uploader_) { 101846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_uploader_ = client_->CreateUploader( 101946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) kServerUrl, kMimeType, 102046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) base::Bind(&MetricsService::OnLogUploadComplete, 102146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) self_ptr_factory_.GetWeakPtr())); 102246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) } 102346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 102446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) const std::string hash = 102546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) base::HexEncode(log_manager_.staged_log_hash().data(), 102646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_manager_.staged_log_hash().size()); 102746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bool success = log_uploader_->UploadLog(log_manager_.staged_log(), hash); 102846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) UMA_HISTOGRAM_BOOLEAN("UMA.UploadCreation", success); 102946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (!success) { 10305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Skip this upload and hope things work out next time. 10315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.DiscardStagedLog(); 10325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->UploadCancelled(); 103346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_upload_in_progress_ = false; 10345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 10355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HandleIdleSinceLastTransmission(true); 10385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 104146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)void MetricsService::OnLogUploadComplete(int response_code) { 104246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) DCHECK(log_upload_in_progress_); 104346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_upload_in_progress_ = false; 10445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Log a histogram to track response success vs. failure rates. 1046c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) UMA_HISTOGRAM_ENUMERATION("UMA.UploadResponseStatus.Protobuf", 1047c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ResponseCodeToStatus(response_code), 1048c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) NUM_RESPONSE_STATUSES); 10495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool upload_succeeded = response_code == 200; 10515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Provide boolean for error recovery (allow us to ignore response_code). 10535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool discard_log = false; 1054cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const size_t log_size = log_manager_.staged_log().length(); 10551320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (upload_succeeded) { 10561320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci UMA_HISTOGRAM_COUNTS_10000("UMA.LogSize.OnSuccess", log_size / 1024); 10571320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci } else if (log_size > kUploadLogAvoidRetransmitSize) { 10585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UMA_HISTOGRAM_COUNTS("UMA.Large Rejected Log was Discarded", 10595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<int>(log_size)); 10605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) discard_log = true; 10615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (response_code == 400) { 10625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Bad syntax. Retransmission won't work. 10635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) discard_log = true; 10645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1066116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (upload_succeeded || discard_log) { 1067c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) log_manager_.DiscardStagedLog(); 1068116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch // Store the updated list to disk now that the removed log is uploaded. 1069116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch log_manager_.PersistUnsentLogs(); 1070116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 10715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!log_manager_.has_staged_log()) { 10735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (state_) { 10745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) case SENDING_INITIAL_STABILITY_LOG: 1075c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch PrepareInitialMetricsLog(); 10765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SendStagedLog(); 10775d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) state_ = SENDING_INITIAL_METRICS_LOG; 10785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) break; 10795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 10805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) case SENDING_INITIAL_METRICS_LOG: 10815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = log_manager_.has_unsent_logs() ? SENDING_OLD_LOGS 10825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : SENDING_CURRENT_LOGS; 10835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SENDING_OLD_LOGS: 10865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!log_manager_.has_unsent_logs()) 10875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = SENDING_CURRENT_LOGS; 10885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SENDING_CURRENT_LOGS: 10915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 10945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 10955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_manager_.has_unsent_logs()) 10995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_LT(state_, SENDING_CURRENT_LOGS); 11005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 11015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Error 400 indicates a problem with the log, not with the server, so 11035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // don't consider that a sign that the server is in trouble. 11045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool server_is_healthy = upload_succeeded || response_code == 400; 11055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Don't notify the scheduler that the upload is finished if we've only sent 11065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // the initial stability log, but not yet the initial metrics log (treat the 11075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // two as a single unit of work as far as the scheduler is concerned). 11085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (state_ != SENDING_INITIAL_METRICS_LOG) { 11095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scheduler_->UploadFinished(server_is_healthy, 11105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.has_unsent_logs()); 11115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 11125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1113cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (server_is_healthy) 1114cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_->OnLogUploadComplete(); 11155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::IncrementPrefValue(const char* path) { 1118cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) int value = local_state_->GetInteger(path); 1119cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state_->SetInteger(path, value + 1); 11205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::IncrementLongPrefsValue(const char* path) { 1123cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) int64 value = local_state_->GetInt64(path); 1124cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state_->SetInt64(path, value + 1); 11255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool MetricsService::UmaMetricsProperlyShutdown() { 11285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(clean_shutdown_status_ == CLEANLY_SHUTDOWN || 11295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) clean_shutdown_status_ == NEED_TO_SHUTDOWN); 11305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return clean_shutdown_status_ == CLEANLY_SHUTDOWN; 11315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1133f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void MetricsService::RegisterSyntheticFieldTrial( 1134f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const SyntheticTrialGroup& trial) { 1135f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) for (size_t i = 0; i < synthetic_trial_groups_.size(); ++i) { 1136f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (synthetic_trial_groups_[i].id.name == trial.id.name) { 1137f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (synthetic_trial_groups_[i].id.group != trial.id.group) { 1138f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) synthetic_trial_groups_[i].id.group = trial.id.group; 1139a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) synthetic_trial_groups_[i].start_time = base::TimeTicks::Now(); 1140f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 1141f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 1142f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 1143f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 1144f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1145a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) SyntheticTrialGroup trial_group = trial; 1146a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) trial_group.start_time = base::TimeTicks::Now(); 1147f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) synthetic_trial_groups_.push_back(trial_group); 1148f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 1149f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1150cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::RegisterMetricsProvider( 1151cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) scoped_ptr<metrics::MetricsProvider> provider) { 1152cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK_EQ(INITIALIZED, state_); 1153cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) metrics_providers_.push_back(provider.release()); 1154cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1155cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1156cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::CheckForClonedInstall( 1157cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) scoped_refptr<base::SingleThreadTaskRunner> task_runner) { 1158cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) state_manager_->CheckForClonedInstall(task_runner); 1159effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 1160effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 1161f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void MetricsService::GetCurrentSyntheticFieldTrials( 1162cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::vector<variations::ActiveGroupId>* synthetic_trials) { 1163f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DCHECK(synthetic_trials); 1164f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) synthetic_trials->clear(); 1165116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch const MetricsLog* current_log = log_manager_.current_log(); 1166f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) for (size_t i = 0; i < synthetic_trial_groups_.size(); ++i) { 1167f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (synthetic_trial_groups_[i].start_time <= current_log->creation_time()) 1168f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) synthetic_trials->push_back(synthetic_trial_groups_[i].id); 1169f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 1170f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 1171f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1172cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)scoped_ptr<MetricsLog> MetricsService::CreateLog(MetricsLog::LogType log_type) { 1173cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return make_scoped_ptr(new MetricsLog(state_manager_->client_id(), 1174cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) session_id_, 1175cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) log_type, 1176cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_, 1177cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state_)); 1178cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1179cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1180cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::RecordCurrentHistograms() { 1181cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(log_manager_.current_log()); 1182cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) histogram_snapshot_manager_.PrepareDeltas( 1183cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::Histogram::kNoFlags, base::Histogram::kUmaTargetedHistogramFlag); 1184cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1185cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1186cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::RecordCurrentStabilityHistograms() { 1187cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(log_manager_.current_log()); 1188cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) histogram_snapshot_manager_.PrepareDeltas( 1189cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::Histogram::kNoFlags, base::Histogram::kUmaStabilityHistogramFlag); 1190cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1191cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 11925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::LogCleanShutdown() { 11935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Redundant hack to write pref ASAP. 11941320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci MarkAppCleanShutdownAndCommit(&clean_exit_beacon_, local_state_); 11952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Redundant setting to assure that we always reset this value at shutdown 11975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (and that we don't use some alternate path, and not call LogCleanShutdown). 11985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) clean_shutdown_status_ = CLEANLY_SHUTDOWN; 11995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12001320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci clean_exit_beacon_.WriteBeaconValue(true); 12011320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci RecordCurrentState(local_state_); 1202f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->SetInteger(metrics::prefs::kStabilityExecutionPhase, 1203cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) MetricsService::SHUTDOWN_COMPLETE); 12045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1206a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)bool MetricsService::ShouldLogEvents() { 1207a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // We simply don't log events to UMA if there is a single incognito 12085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // session visible. The problem is that we always notify using the orginal 12095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // profile in order to simplify notification processing. 1210cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return !client_->IsOffTheRecordSessionActive(); 12115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordBooleanPrefValue(const char* path, bool value) { 12145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 1215cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state_->SetBoolean(path, value); 1216cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) RecordCurrentState(local_state_); 12175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 12185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordCurrentState(PrefService* pref) { 1220f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) pref->SetInt64(metrics::prefs::kStabilityLastTimestampSec, 12211320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci base::Time::Now().ToTimeT()); 1222effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 12231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci 12241320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci} // namespace metrics 1225