metrics_service.cc revision 6d86b77056ed63eb6871182f42a9fd5f07550f90
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" 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/tracked_objects.h" 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/values.h" 18446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#include "components/metrics/metrics_log.h" 185010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)#include "components/metrics/metrics_log_manager.h" 18646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#include "components/metrics/metrics_log_uploader.h" 187cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "components/metrics/metrics_pref_names.h" 188cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "components/metrics/metrics_reporting_scheduler.h" 189cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "components/metrics/metrics_service_client.h" 19046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)#include "components/metrics/metrics_state_manager.h" 191424c4d7b64af9d0d8fd9624f381f469654d5e3d2Torne (Richard Coles)#include "components/variations/entropy_provider.h" 1921e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using base::Time; 194010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)using metrics::MetricsLogManager; 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) 257cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MarkAppCleanShutdownAndCommit(PrefService* local_state) { 258f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state->SetBoolean(metrics::prefs::kStabilityExitedCleanly, true); 259f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state->SetInteger(metrics::prefs::kStabilityExecutionPhase, 260cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) MetricsService::SHUTDOWN_COMPLETE); 2612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Start writing right away (write happens on a different thread). 262cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state->CommitPendingWrite(); 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 267f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 268a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)SyntheticTrialGroup::SyntheticTrialGroup(uint32 trial, uint32 group) { 269f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) id.name = trial; 270f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) id.group = group; 271f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 272f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 273f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)SyntheticTrialGroup::~SyntheticTrialGroup() { 274f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 275f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MetricsService::ShutdownCleanliness MetricsService::clean_shutdown_status_ = 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MetricsService::CLEANLY_SHUTDOWN; 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2801e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles)MetricsService::ExecutionPhase MetricsService::execution_phase_ = 281f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) MetricsService::UNINITIALIZED_PHASE; 2821e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 2842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void MetricsService::RegisterPrefs(PrefRegistrySimple* registry) { 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 286010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) metrics::MetricsStateManager::RegisterPrefs(registry); 28746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) MetricsLog::RegisterPrefs(registry); 288010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 289f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterInt64Pref(metrics::prefs::kStabilityLaunchTimeSec, 0); 290f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterInt64Pref(metrics::prefs::kStabilityLastTimestampSec, 0); 291f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterStringPref(metrics::prefs::kStabilityStatsVersion, 292f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) std::string()); 293f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterInt64Pref(metrics::prefs::kStabilityStatsBuildTime, 0); 294f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterBooleanPref(metrics::prefs::kStabilityExitedCleanly, true); 295f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterIntegerPref(metrics::prefs::kStabilityExecutionPhase, 296f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) UNINITIALIZED_PHASE); 297f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterBooleanPref(metrics::prefs::kStabilitySessionEndCompleted, 298f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) true); 29946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) registry->RegisterIntegerPref(metrics::prefs::kMetricsSessionID, -1); 300a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) 301cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) registry->RegisterListPref(metrics::prefs::kMetricsInitialLogs); 302cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) registry->RegisterListPref(metrics::prefs::kMetricsOngoingLogs); 303f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterListPref(metrics::prefs::kMetricsInitialLogsOld); 304f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterListPref(metrics::prefs::kMetricsOngoingLogsOld); 3052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 306f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterInt64Pref(metrics::prefs::kUninstallLaunchCount, 0); 307f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) registry->RegisterInt64Pref(metrics::prefs::kUninstallMetricsUptimeSec, 0); 3085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 310cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)MetricsService::MetricsService(metrics::MetricsStateManager* state_manager, 311cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) metrics::MetricsServiceClient* client, 312cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PrefService* local_state) 313cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) : log_manager_(local_state, kUploadLogAvoidRetransmitSize), 314cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) histogram_snapshot_manager_(this), 315cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) state_manager_(state_manager), 316cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_(client), 317cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state_(local_state), 318effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch recording_active_(false), 3195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reporting_active_(false), 3205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) test_mode_active_(false), 3215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_(INITIALIZED), 3225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) has_initial_stability_log_(false), 32346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_upload_in_progress_(false), 3245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) idle_since_last_transmission_(false), 3255d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) session_id_(-1), 326c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) self_ptr_factory_(this), 32746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) state_saver_factory_(this) { 3285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 329010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) DCHECK(state_manager_); 330cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(client_); 331cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(local_state_); 3325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)MetricsService::~MetricsService() { 3355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DisableRecording(); 3365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 338010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)void MetricsService::InitializeMetricsRecordingState() { 339010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) InitializeMetricsState(); 3405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::Closure callback = base::Bind(&MetricsService::StartScheduledUpload, 3425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) self_ptr_factory_.GetWeakPtr()); 3435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scheduler_.reset(new MetricsReportingScheduler(callback)); 3445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 3455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 3465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::Start() { 3475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HandleIdleSinceLastTransmission(false); 3485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnableRecording(); 3495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnableReporting(); 3505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 352010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)bool MetricsService::StartIfMetricsReportingEnabled() { 353010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) const bool enabled = state_manager_->IsMetricsReportingEnabled(); 354010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (enabled) 355010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) Start(); 356010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return enabled; 357010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)} 358010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 3595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::StartRecordingForTests() { 3605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) test_mode_active_ = true; 3615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EnableRecording(); 3625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DisableReporting(); 3635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::Stop() { 3665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HandleIdleSinceLastTransmission(false); 3675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DisableReporting(); 3685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DisableRecording(); 3695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::EnableReporting() { 3725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (reporting_active_) 3735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 3745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reporting_active_ = true; 3755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StartSchedulerIfNecessary(); 3765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::DisableReporting() { 3795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reporting_active_ = false; 3805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)std::string MetricsService::GetClientId() { 383010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return state_manager_->client_id(); 3845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)scoped_ptr<const base::FieldTrial::EntropyProvider> 387010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)MetricsService::CreateEntropyProvider() { 388010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // TODO(asvitkine): Refactor the code so that MetricsService does not expose 389010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // this method. 390010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return state_manager_->CreateEntropyProvider(); 3915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 3925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::EnableRecording() { 3945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 3955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (recording_active_) 3975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 3985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) recording_active_ = true; 3995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 400010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) state_manager_->ForceClientIdCreation(); 401cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_->SetClientID(state_manager_->client_id()); 4025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!log_manager_.current_log()) 4035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OpenNewLog(); 4045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) for (size_t i = 0; i < metrics_providers_.size(); ++i) 406cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) metrics_providers_[i]->OnRecordingEnabled(); 407cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 4085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::RemoveActionCallback(action_callback_); 4092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) action_callback_ = base::Bind(&MetricsService::OnUserAction, 4102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::Unretained(this)); 4115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::AddActionCallback(action_callback_); 4125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::DisableRecording() { 4155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 4165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!recording_active_) 4185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 4195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) recording_active_ = false; 4205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::RemoveActionCallback(action_callback_); 422cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 423cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) for (size_t i = 0; i < metrics_providers_.size(); ++i) 424cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) metrics_providers_[i]->OnRecordingDisabled(); 425cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 4265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PushPendingLogsToPersistentStorage(); 4275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!log_manager_.has_staged_log()); 4285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool MetricsService::recording_active() const { 4315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 4325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return recording_active_; 4335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool MetricsService::reporting_active() const { 4365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 4375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return reporting_active_; 4385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 440cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::RecordDelta(const base::HistogramBase& histogram, 441cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const base::HistogramSamples& snapshot) { 442cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) log_manager_.current_log()->RecordHistogramDelta(histogram.histogram_name(), 443cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) snapshot); 444cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 4455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 446cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::InconsistencyDetected( 447cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::HistogramBase::Inconsistency problem) { 448cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesBrowser", 449cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) problem, base::HistogramBase::NEVER_EXCEEDED_VALUE); 450cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 451a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 452cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::UniqueInconsistencyDetected( 453cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::HistogramBase::Inconsistency problem) { 454cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesBrowserUnique", 455cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) problem, base::HistogramBase::NEVER_EXCEEDED_VALUE); 456cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 457a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) 458cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::InconsistencyDetectedInLoggedCount(int amount) { 459cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) UMA_HISTOGRAM_COUNTS("Histogram.InconsistentSnapshotBrowser", 460cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::abs(amount)); 4615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::HandleIdleSinceLastTransmission(bool in_idle) { 4645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there wasn't a lot of action, maybe the computer was asleep, in which 4655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // case, the log transmissions should have stopped. Here we start them up 4665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // again. 4675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!in_idle && idle_since_last_transmission_) 4685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StartSchedulerIfNecessary(); 4695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) idle_since_last_transmission_ = in_idle; 4705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 472cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::OnApplicationNotIdle() { 473cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (recording_active_) 474cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) HandleIdleSinceLastTransmission(false); 475cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 476cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 4775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordStartOfSessionEnd() { 4785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LogCleanShutdown(); 479f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) RecordBooleanPrefValue(metrics::prefs::kStabilitySessionEndCompleted, false); 4805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordCompletedSessionEnd() { 4835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LogCleanShutdown(); 484f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) RecordBooleanPrefValue(metrics::prefs::kStabilitySessionEndCompleted, true); 4855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 4865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(OS_ANDROID) || defined(OS_IOS) 4885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::OnAppEnterBackground() { 4895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->Stop(); 4905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 491cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) MarkAppCleanShutdownAndCommit(local_state_); 4925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 4935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // At this point, there's no way of knowing when the process will be 4945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // killed, so this has to be treated similar to a shutdown, closing and 4955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // persisting all logs. Unlinke a shutdown, the state is primed to be ready 4965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to continue logging and uploading if the process does return. 4975d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (recording_active() && state_ >= SENDING_INITIAL_STABILITY_LOG) { 4985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PushPendingLogsToPersistentStorage(); 4995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Persisting logs closes the current log, so start recording a new log 5005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // immediately to capture any background work that might be done before the 5015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // process is killed. 5025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OpenNewLog(); 5035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::OnAppEnterForeground() { 507f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->SetBoolean(metrics::prefs::kStabilityExitedCleanly, false); 5085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StartSchedulerIfNecessary(); 5095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#else 511cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::LogNeedForCleanShutdown(PrefService* local_state) { 512f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state->SetBoolean(metrics::prefs::kStabilityExitedCleanly, false); 5132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Redundant setting to be sure we call for a clean shutdown. 5142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) clean_shutdown_status_ = NEED_TO_SHUTDOWN; 5152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 5162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif // defined(OS_ANDROID) || defined(OS_IOS) 5175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 518f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)// static 519cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::SetExecutionPhase(ExecutionPhase execution_phase, 520cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PrefService* local_state) { 521f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) execution_phase_ = execution_phase; 522f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state->SetInteger(metrics::prefs::kStabilityExecutionPhase, 523f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) execution_phase_); 524f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 525f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 5265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordBreakpadRegistration(bool success) { 5275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!success) 52846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityBreakpadRegistrationFail); 5295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 53046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityBreakpadRegistrationSuccess); 5315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordBreakpadHasDebugger(bool has_debugger) { 5345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!has_debugger) 53546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityDebuggerNotPresent); 5365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 53746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityDebuggerPresent); 5385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 5395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 5415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// private methods 5425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 5435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 5465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Initialization methods 5475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 548010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)void MetricsService::InitializeMetricsState() { 549f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->SetString(metrics::prefs::kStabilityStatsVersion, 550cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_->GetVersionString()); 551f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->SetInt64(metrics::prefs::kStabilityStatsBuildTime, 552cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) MetricsLog::GetBuildTime()); 5535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) session_id_ = local_state_->GetInteger(metrics::prefs::kMetricsSessionID); 5555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 556f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (!local_state_->GetBoolean(metrics::prefs::kStabilityExitedCleanly)) { 55746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityCrashCount); 5585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Reset flag, and wait until we call LogNeedForCleanShutdown() before 5595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // monitoring. 560f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->SetBoolean(metrics::prefs::kStabilityExitedCleanly, true); 5611e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) 5621e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // TODO(rtenneti): On windows, consider saving/getting execution_phase from 5631e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) // the registry. 564cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) int execution_phase = 565f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->GetInteger(metrics::prefs::kStabilityExecutionPhase); 566f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) UMA_HISTOGRAM_SPARSE_SLOWLY("Chrome.Browser.CrashedExecutionPhase", 5671e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) execution_phase); 5685d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 5695d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // If the previous session didn't exit cleanly, then prepare an initial 5705d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // stability log if UMA is enabled. 571010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (state_manager_->IsMetricsReportingEnabled()) 5725d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PrepareInitialStabilityLog(); 5735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5745d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 5755d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Update session ID. 5765d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) ++session_id_; 57746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) local_state_->SetInteger(metrics::prefs::kMetricsSessionID, session_id_); 5785d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 5795d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Stability bookkeeping 58046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityLaunchCount); 5815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 582f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DCHECK_EQ(UNINITIALIZED_PHASE, execution_phase_); 583cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) SetExecutionPhase(START_METRICS_RECORDING, local_state_); 5843551c9c881056c480085172ff9840cab31610854Torne (Richard Coles) 585f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (!local_state_->GetBoolean( 586f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) metrics::prefs::kStabilitySessionEndCompleted)) { 58746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) IncrementPrefValue(metrics::prefs::kStabilityIncompleteSessionEndCount); 5885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is marked false when we get a WM_ENDSESSION. 589f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->SetBoolean(metrics::prefs::kStabilitySessionEndCompleted, 590f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) true); 5915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 5925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 593a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // Call GetUptimes() for the first time, thus allowing all later calls 594a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // to record incremental uptimes accurately. 595a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta ignored_uptime_parameter; 596a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta startup_uptime; 597cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) GetUptimes(local_state_, &startup_uptime, &ignored_uptime_parameter); 5984e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) DCHECK_EQ(0, startup_uptime.InMicroseconds()); 5995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // For backwards compatibility, leave this intact in case Omaha is checking 600f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // them. metrics::prefs::kStabilityLastTimestampSec may also be useless now. 6015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(jar): Delete these if they have no uses. 602f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->SetInt64(metrics::prefs::kStabilityLaunchTimeSec, 603f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) Time::Now().ToTimeT()); 6045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Bookkeeping for the uninstall metrics. 606f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) IncrementLongPrefsValue(metrics::prefs::kUninstallLaunchCount); 6075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Kick off the process of saving the state (so the uptime numbers keep 6095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // getting updated) every n minutes. 6105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ScheduleNextStateSave(); 6115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void MetricsService::OnUserAction(const std::string& action) { 614a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (!ShouldLogEvents()) 6152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 6162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 617c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch log_manager_.current_log()->RecordUserAction(action); 6182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) HandleIdleSinceLastTransmission(false); 6192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 6202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 621f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)void MetricsService::FinishedGatheringInitialMetrics() { 6225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_EQ(INIT_TASK_SCHEDULED, state_); 6234e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) state_ = INIT_TASK_DONE; 62446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 62546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // Create the initial log. 62646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (!initial_metrics_log_.get()) { 62746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) initial_metrics_log_ = CreateLog(MetricsLog::ONGOING_LOG); 62846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) NotifyOnDidCreateMetricsLog(); 62946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) } 63046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 631a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) scheduler_->InitTaskComplete(); 6324e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles)} 6334e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 634a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)void MetricsService::GetUptimes(PrefService* pref, 635a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta* incremental_uptime, 636a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta* uptime) { 6374e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) base::TimeTicks now = base::TimeTicks::Now(); 638a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // If this is the first call, init |first_updated_time_| and 639a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // |last_updated_time_|. 640a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) if (last_updated_time_.is_null()) { 641a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) first_updated_time_ = now; 6424e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) last_updated_time_ = now; 643a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) } 644a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) *incremental_uptime = now - last_updated_time_; 645a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) *uptime = now - first_updated_time_; 6464e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) last_updated_time_ = now; 6474e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) 648a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) const int64 incremental_time_secs = incremental_uptime->InSeconds(); 6494e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) if (incremental_time_secs > 0) { 650f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) int64 metrics_uptime = 651f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) pref->GetInt64(metrics::prefs::kUninstallMetricsUptimeSec); 6524e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) metrics_uptime += incremental_time_secs; 653f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) pref->SetInt64(metrics::prefs::kUninstallMetricsUptimeSec, metrics_uptime); 6544e180b6a0b4720a9b8e9e959a882386f690f08ffTorne (Richard Coles) } 6555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 657cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::AddObserver(MetricsServiceObserver* observer) { 658cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(thread_checker_.CalledOnValidThread()); 659cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) observers_.AddObserver(observer); 660cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 661cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 662cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::RemoveObserver(MetricsServiceObserver* observer) { 663cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(thread_checker_.CalledOnValidThread()); 664cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) observers_.RemoveObserver(observer); 665cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 666cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 667cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::NotifyOnDidCreateMetricsLog() { 668cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(thread_checker_.CalledOnValidThread()); 669cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) FOR_EACH_OBSERVER( 670cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) MetricsServiceObserver, observers_, OnDidCreateMetricsLog()); 671cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) for (size_t i = 0; i < metrics_providers_.size(); ++i) 672cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) metrics_providers_[i]->OnDidCreateMetricsLog(); 673cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 674cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 6755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 6765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// State save methods 6775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::ScheduleNextStateSave() { 6795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_saver_factory_.InvalidateWeakPtrs(); 6805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 68190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) base::MessageLoop::current()->PostDelayedTask(FROM_HERE, 6825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&MetricsService::SaveLocalState, 6835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_saver_factory_.GetWeakPtr()), 6845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta::FromMinutes(kSaveStateIntervalMinutes)); 6855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::SaveLocalState() { 688cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) RecordCurrentState(local_state_); 6895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(jar):110021 Does this run down the batteries???? 6915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ScheduleNextStateSave(); 6925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 6935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 6965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Recording control methods 6975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 6985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::OpenNewLog() { 6995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!log_manager_.current_log()); 7005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 70146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_manager_.BeginLoggingWithLog(CreateLog(MetricsLog::ONGOING_LOG)); 702cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) NotifyOnDidCreateMetricsLog(); 7035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (state_ == INITIALIZED) { 7045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We only need to schedule that run once. 7055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = INIT_TASK_SCHEDULED; 7065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 707f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) base::MessageLoop::current()->PostDelayedTask( 7085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FROM_HERE, 709cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::Bind(&MetricsService::StartGatheringMetrics, 710cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) self_ptr_factory_.GetWeakPtr()), 7115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::TimeDelta::FromSeconds(kInitializationDelaySeconds)); 7125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 715cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::StartGatheringMetrics() { 716cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_->StartGatheringMetrics( 717f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) base::Bind(&MetricsService::FinishedGatheringInitialMetrics, 718cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) self_ptr_factory_.GetWeakPtr())); 719cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 720cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 7215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::CloseCurrentLog() { 7225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!log_manager_.current_log()) 7235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 7245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(jar): Integrate bounds on log recording more consistently, so that we 7265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // can stop recording logs that are too big much sooner. 7275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_manager_.current_log()->num_events() > kEventLimit) { 7285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UMA_HISTOGRAM_COUNTS("UMA.Discarded Log Events", 7295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.current_log()->num_events()); 7305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.DiscardCurrentLog(); 7315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OpenNewLog(); // Start trivial log to hold our histograms. 7325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Put incremental data (histogram deltas, and realtime stats deltas) at the 7355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // end of all log transmissions (initial log handles this separately). 7365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // RecordIncrementalStabilityElements only exists on the derived 7375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // MetricsLog class. 7385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) MetricsLog* current_log = 7395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<MetricsLog*>(log_manager_.current_log()); 7405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(current_log); 741cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::vector<variations::ActiveGroupId> synthetic_trials; 742f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) GetCurrentSyntheticFieldTrials(&synthetic_trials); 743cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) current_log->RecordEnvironment(metrics_providers_.get(), synthetic_trials); 744a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta incremental_uptime; 745a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta uptime; 746cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) GetUptimes(local_state_, &incremental_uptime, &uptime); 747cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) current_log->RecordStabilityMetrics(metrics_providers_.get(), 748cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) incremental_uptime, uptime); 749f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 7505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RecordCurrentHistograms(); 751cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) current_log->RecordGeneralMetrics(metrics_providers_.get()); 7525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.FinishCurrentLog(); 7545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::PushPendingLogsToPersistentStorage() { 7575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (state_ < SENDING_INITIAL_STABILITY_LOG) 7585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; // We didn't and still don't have time to get plugin list etc. 7595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_manager_.has_staged_log()) { 7615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // We may race here, and send second copy of the log later. 762cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) metrics::PersistedLogs::StoreType store_type; 76346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (log_upload_in_progress_) 764cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) store_type = metrics::PersistedLogs::PROVISIONAL_STORE; 7655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) else 766cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) store_type = metrics::PersistedLogs::NORMAL_STORE; 7675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.StoreStagedLogAsUnsent(store_type); 7685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 7695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!log_manager_.has_staged_log()); 7705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CloseCurrentLog(); 7715d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.PersistUnsentLogs(); 7725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there was a staged and/or current log, then there is now at least one 7745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // log waiting to be uploaded. 7755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_manager_.has_unsent_logs()) 7765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = SENDING_OLD_LOGS; 7775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//------------------------------------------------------------------------------ 7805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Transmission of logs methods 7815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::StartSchedulerIfNecessary() { 7835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Never schedule cutting or uploading of logs in test mode. 7845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (test_mode_active_) 7855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 7865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Even if reporting is disabled, the scheduler is needed to trigger the 7885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // creation of the initial log, which must be done in order for any logs to be 7895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // persisted on shutdown or backgrounding. 7905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (recording_active() && 7915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) (reporting_active() || state_ < SENDING_INITIAL_STABILITY_LOG)) { 7925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->Start(); 7935d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 7945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 7955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 7965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::StartScheduledUpload() { 7975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If we're getting no notifications, then the log won't have much in it, and 7985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // it's possible the computer is about to go to sleep, so don't upload and 7995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // stop the scheduler. 8005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If recording has been turned off, the scheduler doesn't need to run. 8015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If reporting is off, proceed if the initial log hasn't been created, since 8025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // that has to happen in order for logs to be cut and stored when persisting. 803cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // TODO(stuartmorgan): Call Stop() on the scheduler when reporting and/or 8045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // recording are turned off instead of letting it fire and then aborting. 8055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (idle_since_last_transmission_ || 8065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) !recording_active() || 8075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) (!reporting_active() && state_ >= SENDING_INITIAL_STABILITY_LOG)) { 8085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->Stop(); 8095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->UploadCancelled(); 8105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the callback was to upload an old log, but there no longer is one, 8145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // just report success back to the scheduler to begin the ongoing log 8155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // callbacks. 8165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(stuartmorgan): Consider removing the distinction between 8175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // SENDING_OLD_LOGS and SENDING_CURRENT_LOGS to simplify the state machine 8185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // now that the log upload flow is the same for both modes. 8195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (state_ == SENDING_OLD_LOGS && !log_manager_.has_unsent_logs()) { 8205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = SENDING_CURRENT_LOGS; 8215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->UploadFinished(true /* healthy */, false /* no unsent logs */); 8225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If there are unsent logs, send the next one. If not, start the asynchronous 8255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // process of finalizing the current log for upload. 8265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (state_ == SENDING_OLD_LOGS) { 8275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(log_manager_.has_unsent_logs()); 8285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.StageNextLogForUpload(); 8295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendStagedLog(); 8305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 831cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_->CollectFinalMetrics( 832cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::Bind(&MetricsService::OnFinalLogInfoCollectionDone, 833cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) self_ptr_factory_.GetWeakPtr())); 8341e9bf3e0803691d0a228da41fc608347b6db4340Torne (Richard Coles) } 8355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::OnFinalLogInfoCollectionDone() { 83846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // If somehow there is a log upload in progress, we return and hope things 83946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) // work out. The scheduler isn't informed since if this happens, the scheduler 8405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // will get a response from the upload. 84146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) DCHECK(!log_upload_in_progress_); 84246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (log_upload_in_progress_) 8435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Abort if metrics were turned off during the final info gathering. 8465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!recording_active()) { 8475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->Stop(); 8485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->UploadCancelled(); 8495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) StageNewLog(); 8535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If logs shouldn't be uploaded, stop here. It's important that this check 8555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // be after StageNewLog(), otherwise the previous logs will never be loaded, 8565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and thus the open log won't be persisted. 8575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // TODO(stuartmorgan): This is unnecessarily complicated; restructure loading 8585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // of previous logs to not require running part of the upload logic. 8595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // http://crbug.com/157337 8605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!reporting_active()) { 8615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->Stop(); 8625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->UploadCancelled(); 8635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 8655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SendStagedLog(); 8675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 8685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::StageNewLog() { 8705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_manager_.has_staged_log()) 8715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (state_) { 8745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case INITIALIZED: 8755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case INIT_TASK_SCHEDULED: // We should be further along by now. 8765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 8775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case INIT_TASK_DONE: 8805d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (has_initial_stability_log_) { 8815d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // There's an initial stability log, ready to send. 8825d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.StageNextLogForUpload(); 8835d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) has_initial_stability_log_ = false; 8845d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Note: No need to call LoadPersistedUnsentLogs() here because unsent 8855d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // logs have already been loaded by PrepareInitialStabilityLog(). 8865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) state_ = SENDING_INITIAL_STABILITY_LOG; 8875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } else { 888c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch PrepareInitialMetricsLog(); 8895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Load unsent logs (if any) from local state. 8905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.LoadPersistedUnsentLogs(); 8915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) state_ = SENDING_INITIAL_METRICS_LOG; 8925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 8935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 8945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SENDING_OLD_LOGS: 8965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); // Shouldn't be staging a new log during old log sending. 8975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 8985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SENDING_CURRENT_LOGS: 9005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CloseCurrentLog(); 9015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OpenNewLog(); 9025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.StageNextLogForUpload(); 9035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 9045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 9065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 9075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 9085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 9095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(log_manager_.has_staged_log()); 9115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 9125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)void MetricsService::PrepareInitialStabilityLog() { 9145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK_EQ(INITIALIZED, state_); 91546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) DCHECK_NE(0, local_state_->GetInteger(metrics::prefs::kStabilityCrashCount)); 9165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scoped_ptr<MetricsLog> initial_stability_log( 918cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) CreateLog(MetricsLog::INITIAL_STABILITY_LOG)); 919cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 920cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Do not call NotifyOnDidCreateMetricsLog here because the stability 921cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // log describes stats from the _previous_ session. 922cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 9235d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (!initial_stability_log->LoadSavedEnvironmentFromPrefs()) 9245d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) return; 925cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 9265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.LoadPersistedUnsentLogs(); 9275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.PauseCurrentLog(); 92946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_manager_.BeginLoggingWithLog(initial_stability_log.Pass()); 930cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 931cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Note: Some stability providers may record stability stats via histograms, 932cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // so this call has to be after BeginLoggingWithLog(). 93346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_manager_.current_log()->RecordStabilityMetrics( 93446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) metrics_providers_.get(), base::TimeDelta(), base::TimeDelta()); 9355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) RecordCurrentStabilityHistograms(); 936cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 937cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Note: RecordGeneralMetrics() intentionally not called since this log is for 938cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // stability stats from a previous session only. 939cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 9405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.FinishCurrentLog(); 9415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.ResumePausedLog(); 9425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Store unsent logs, including the stability log that was just saved, so 9445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // that they're not lost in case of a crash before upload time. 9455d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.PersistUnsentLogs(); 9465d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 9475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) has_initial_stability_log_ = true; 9485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)} 9495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 950c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdochvoid MetricsService::PrepareInitialMetricsLog() { 9515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DCHECK(state_ == INIT_TASK_DONE || state_ == SENDING_INITIAL_STABILITY_LOG); 952f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 953cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::vector<variations::ActiveGroupId> synthetic_trials; 954f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) GetCurrentSyntheticFieldTrials(&synthetic_trials); 955cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) initial_metrics_log_->RecordEnvironment(metrics_providers_.get(), 9565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) synthetic_trials); 957a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta incremental_uptime; 958a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) base::TimeDelta uptime; 959cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) GetUptimes(local_state_, &incremental_uptime, &uptime); 9605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Histograms only get written to the current log, so make the new log current 9625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // before writing them. 9635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.PauseCurrentLog(); 96446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_manager_.BeginLoggingWithLog(initial_metrics_log_.Pass()); 965cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 966cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // Note: Some stability providers may record stability stats via histograms, 967cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // so this call has to be after BeginLoggingWithLog(). 968cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) MetricsLog* current_log = 969cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) static_cast<MetricsLog*>(log_manager_.current_log()); 970cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) current_log->RecordStabilityMetrics(metrics_providers_.get(), 971cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::TimeDelta(), base::TimeDelta()); 9725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RecordCurrentHistograms(); 973cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 974cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) current_log->RecordGeneralMetrics(metrics_providers_.get()); 975cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 9765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.FinishCurrentLog(); 9775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.ResumePausedLog(); 9785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!log_manager_.has_staged_log()); 9805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.StageNextLogForUpload(); 9815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 9825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 9835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::SendStagedLog() { 9845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(log_manager_.has_staged_log()); 98546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (!log_manager_.has_staged_log()) 98646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) return; 9875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 98846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) DCHECK(!log_upload_in_progress_); 98946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_upload_in_progress_ = true; 9905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 99146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (!log_uploader_) { 99246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_uploader_ = client_->CreateUploader( 99346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) kServerUrl, kMimeType, 99446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) base::Bind(&MetricsService::OnLogUploadComplete, 99546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) self_ptr_factory_.GetWeakPtr())); 99646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) } 99746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) 99846d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) const std::string hash = 99946d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) base::HexEncode(log_manager_.staged_log_hash().data(), 100046d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_manager_.staged_log_hash().size()); 100146d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) bool success = log_uploader_->UploadLog(log_manager_.staged_log(), hash); 100246d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) UMA_HISTOGRAM_BOOLEAN("UMA.UploadCreation", success); 100346d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) if (!success) { 10045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Skip this upload and hope things work out next time. 10055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.DiscardStagedLog(); 10065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scheduler_->UploadCancelled(); 100746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_upload_in_progress_ = false; 10085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 10095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) HandleIdleSinceLastTransmission(true); 10125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 101546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles)void MetricsService::OnLogUploadComplete(int response_code) { 101646d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) DCHECK(log_upload_in_progress_); 101746d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) log_upload_in_progress_ = false; 10185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Log a histogram to track response success vs. failure rates. 1020c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) UMA_HISTOGRAM_ENUMERATION("UMA.UploadResponseStatus.Protobuf", 1021c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) ResponseCodeToStatus(response_code), 1022c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) NUM_RESPONSE_STATUSES); 10235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the upload was provisionally stored, drop it now that the upload is 10255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // known to have gone through. 10265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) log_manager_.DiscardLastProvisionalStore(); 10275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool upload_succeeded = response_code == 200; 10295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Provide boolean for error recovery (allow us to ignore response_code). 10315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool discard_log = false; 1032cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) const size_t log_size = log_manager_.staged_log().length(); 10335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!upload_succeeded && log_size > kUploadLogAvoidRetransmitSize) { 10345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) UMA_HISTOGRAM_COUNTS("UMA.Large Rejected Log was Discarded", 10355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<int>(log_size)); 10365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) discard_log = true; 10375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else if (response_code == 400) { 10385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Bad syntax. Retransmission won't work. 10395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) discard_log = true; 10405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1042c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (upload_succeeded || discard_log) 1043c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) log_manager_.DiscardStagedLog(); 10445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!log_manager_.has_staged_log()) { 10465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (state_) { 10475d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) case SENDING_INITIAL_STABILITY_LOG: 10485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Store the updated list to disk now that the removed log is uploaded. 10495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.PersistUnsentLogs(); 1050c5cede9ae108bb15f6b7a8aea21c7e1fefa2834cBen Murdoch PrepareInitialMetricsLog(); 10515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) SendStagedLog(); 10525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) state_ = SENDING_INITIAL_METRICS_LOG; 10535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) break; 10545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 10555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) case SENDING_INITIAL_METRICS_LOG: 10565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // The initial metrics log never gets persisted to local state, so it's 10575d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // not necessary to call log_manager_.PersistUnsentLogs() here. 10585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TODO(asvitkine): It should be persisted like the initial stability 10595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // log and old unsent logs. http://crbug.com/328417 10605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = log_manager_.has_unsent_logs() ? SENDING_OLD_LOGS 10615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : SENDING_CURRENT_LOGS; 10625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SENDING_OLD_LOGS: 10655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Store the updated list to disk now that the removed log is uploaded. 10665d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.PersistUnsentLogs(); 10675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!log_manager_.has_unsent_logs()) 10685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) state_ = SENDING_CURRENT_LOGS; 10695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case SENDING_CURRENT_LOGS: 10725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) default: 10755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NOTREACHED(); 10765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) break; 10775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (log_manager_.has_unsent_logs()) 10805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_LT(state_, SENDING_CURRENT_LOGS); 10815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 10825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Error 400 indicates a problem with the log, not with the server, so 10845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // don't consider that a sign that the server is in trouble. 10855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool server_is_healthy = upload_succeeded || response_code == 400; 10865d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Don't notify the scheduler that the upload is finished if we've only sent 10875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // the initial stability log, but not yet the initial metrics log (treat the 10885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // two as a single unit of work as far as the scheduler is concerned). 10895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (state_ != SENDING_INITIAL_METRICS_LOG) { 10905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) scheduler_->UploadFinished(server_is_healthy, 10915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) log_manager_.has_unsent_logs()); 10925d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 10935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1094cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (server_is_healthy) 1095cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_->OnLogUploadComplete(); 10965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 10975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 10985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::IncrementPrefValue(const char* path) { 1099cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) int value = local_state_->GetInteger(path); 1100cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state_->SetInteger(path, value + 1); 11015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::IncrementLongPrefsValue(const char* path) { 1104cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) int64 value = local_state_->GetInt64(path); 1105cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state_->SetInt64(path, value + 1); 11065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool MetricsService::UmaMetricsProperlyShutdown() { 11095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(clean_shutdown_status_ == CLEANLY_SHUTDOWN || 11105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) clean_shutdown_status_ == NEED_TO_SHUTDOWN); 11115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return clean_shutdown_status_ == CLEANLY_SHUTDOWN; 11125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1114f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void MetricsService::RegisterSyntheticFieldTrial( 1115f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const SyntheticTrialGroup& trial) { 1116f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) for (size_t i = 0; i < synthetic_trial_groups_.size(); ++i) { 1117f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (synthetic_trial_groups_[i].id.name == trial.id.name) { 1118f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (synthetic_trial_groups_[i].id.group != trial.id.group) { 1119f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) synthetic_trial_groups_[i].id.group = trial.id.group; 1120a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) synthetic_trial_groups_[i].start_time = base::TimeTicks::Now(); 1121f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 1122f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) return; 1123f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 1124f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 1125f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1126a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) SyntheticTrialGroup trial_group = trial; 1127a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) trial_group.start_time = base::TimeTicks::Now(); 1128f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) synthetic_trial_groups_.push_back(trial_group); 1129f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 1130f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1131cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::RegisterMetricsProvider( 1132cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) scoped_ptr<metrics::MetricsProvider> provider) { 1133cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK_EQ(INITIALIZED, state_); 1134cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) metrics_providers_.push_back(provider.release()); 1135cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1136cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1137cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::CheckForClonedInstall( 1138cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) scoped_refptr<base::SingleThreadTaskRunner> task_runner) { 1139cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) state_manager_->CheckForClonedInstall(task_runner); 1140effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 1141effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch 1142f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)void MetricsService::GetCurrentSyntheticFieldTrials( 1143cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) std::vector<variations::ActiveGroupId>* synthetic_trials) { 1144f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) DCHECK(synthetic_trials); 1145f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) synthetic_trials->clear(); 1146f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) const MetricsLog* current_log = 1147f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) static_cast<const MetricsLog*>(log_manager_.current_log()); 1148f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) for (size_t i = 0; i < synthetic_trial_groups_.size(); ++i) { 1149f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) if (synthetic_trial_groups_[i].start_time <= current_log->creation_time()) 1150f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) synthetic_trials->push_back(synthetic_trial_groups_[i].id); 1151f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) } 1152f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles)} 1153f2477e01787aa58f445919b809d89e252beef54fTorne (Richard Coles) 1154cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)scoped_ptr<MetricsLog> MetricsService::CreateLog(MetricsLog::LogType log_type) { 1155cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return make_scoped_ptr(new MetricsLog(state_manager_->client_id(), 1156cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) session_id_, 1157cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) log_type, 1158cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) client_, 1159cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state_)); 1160cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1161cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1162cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::RecordCurrentHistograms() { 1163cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(log_manager_.current_log()); 1164cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) histogram_snapshot_manager_.PrepareDeltas( 1165cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::Histogram::kNoFlags, base::Histogram::kUmaTargetedHistogramFlag); 1166cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1167cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 1168cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)void MetricsService::RecordCurrentStabilityHistograms() { 1169cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) DCHECK(log_manager_.current_log()); 1170cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) histogram_snapshot_manager_.PrepareDeltas( 1171cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) base::Histogram::kNoFlags, base::Histogram::kUmaStabilityHistogramFlag); 1172cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)} 1173cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 11745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::LogCleanShutdown() { 11755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Redundant hack to write pref ASAP. 1176cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) MarkAppCleanShutdownAndCommit(local_state_); 11772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Redundant setting to assure that we always reset this value at shutdown 11795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // (and that we don't use some alternate path, and not call LogCleanShutdown). 11805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) clean_shutdown_status_ = CLEANLY_SHUTDOWN; 11815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1182f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) RecordBooleanPrefValue(metrics::prefs::kStabilityExitedCleanly, true); 1183f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) local_state_->SetInteger(metrics::prefs::kStabilityExecutionPhase, 1184cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) MetricsService::SHUTDOWN_COMPLETE); 11855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1187a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)bool MetricsService::ShouldLogEvents() { 1188a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) // We simply don't log events to UMA if there is a single incognito 11895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // session visible. The problem is that we always notify using the orginal 11905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // profile in order to simplify notification processing. 1191cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return !client_->IsOffTheRecordSessionActive(); 11925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 11945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordBooleanPrefValue(const char* path, bool value) { 11955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsSingleThreaded()); 1196cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) local_state_->SetBoolean(path, value); 1197cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) RecordCurrentState(local_state_); 11985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 11995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 12005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void MetricsService::RecordCurrentState(PrefService* pref) { 1201f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) pref->SetInt64(metrics::prefs::kStabilityLastTimestampSec, 1202f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) Time::Now().ToTimeT()); 12035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 120446d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) for (size_t i = 0; i < metrics_providers_.size(); ++i) 120546d4c2bc3267f3f028f39e7e311b0f89aba2e4fdTorne (Richard Coles) metrics_providers_[i]->RecordCurrentState(); 1206effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch} 1207