134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn/* 234facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * Copyright (C) 2014 The Android Open Source Project 334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * 434facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * Licensed under the Apache License, Version 2.0 (the "License"); 534facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * you may not use this file except in compliance with the License. 634facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * You may obtain a copy of the License at 734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * 834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * http://www.apache.org/licenses/LICENSE-2.0 934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * 1034facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * Unless required by applicable law or agreed to in writing, software 1134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * distributed under the License is distributed on an "AS IS" BASIS, 1234facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * See the License for the specific language governing permissions and 1434facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn * limitations under the License. 1534facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn */ 1634facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 179a03863e88da99ba010342c874252089dd771f7fMark Salyzyn#include <fcntl.h> 18b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn#include <pwd.h> 1997c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn#include <stdio.h> 2097c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn#include <string.h> 21b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn#include <sys/types.h> 2297c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn#include <unistd.h> 2334facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 249af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn#include <list> 259af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn 26aeaaf81c2cc8366ac4f66eb3d2fc85f9b8194982Mark Salyzyn#include <android/log.h> 2734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 2834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn#include "LogStatistics.h" 2934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 303296291cffd13af13ea9e60a8ac1138101cf8e4cMark Salyzynsize_t LogStatistics::SizesTotal; 313296291cffd13af13ea9e60a8ac1138101cf8e4cMark Salyzyn 327718778793b106498b931dd708a466cf3a6f6a0fMark SalyzynLogStatistics::LogStatistics() : enable(false) { 3397c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn log_id_for_each(id) { 3497c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mSizes[id] = 0; 3597c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mElements[id] = 0; 3658b8be8906f903ac3d83c41bcb0fb9c7841945f0Mark Salyzyn mDroppedElements[id] = 0; 3797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mSizesTotal[id] = 0; 3897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mElementsTotal[id] = 0; 3934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 4034facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn} 4134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 42720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzynnamespace android { 43720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 44501c373916e292764400dbae735f44b33378400fMark Salyzynsize_t sizesTotal() { 45501c373916e292764400dbae735f44b33378400fMark Salyzyn return LogStatistics::sizesTotal(); 46501c373916e292764400dbae735f44b33378400fMark Salyzyn} 473296291cffd13af13ea9e60a8ac1138101cf8e4cMark Salyzyn 4897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn// caller must own and free character string 49501c373916e292764400dbae735f44b33378400fMark Salyzynchar* pidToName(pid_t pid) { 50501c373916e292764400dbae735f44b33378400fMark Salyzyn char* retval = NULL; 51501c373916e292764400dbae735f44b33378400fMark Salyzyn if (pid == 0) { // special case from auditd/klogd for kernel 52ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn retval = strdup("logd"); 5397c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn } else { 549a03863e88da99ba010342c874252089dd771f7fMark Salyzyn char buffer[512]; 559a03863e88da99ba010342c874252089dd771f7fMark Salyzyn snprintf(buffer, sizeof(buffer), "/proc/%u/cmdline", pid); 569a03863e88da99ba010342c874252089dd771f7fMark Salyzyn int fd = open(buffer, O_RDONLY); 579a03863e88da99ba010342c874252089dd771f7fMark Salyzyn if (fd >= 0) { 589a03863e88da99ba010342c874252089dd771f7fMark Salyzyn ssize_t ret = read(fd, buffer, sizeof(buffer)); 599a03863e88da99ba010342c874252089dd771f7fMark Salyzyn if (ret > 0) { 60501c373916e292764400dbae735f44b33378400fMark Salyzyn buffer[sizeof(buffer) - 1] = '\0'; 619a03863e88da99ba010342c874252089dd771f7fMark Salyzyn // frameworks intermediate state 620eeb06b932f185e10377e4494475d2cdd6adfa1bMark Salyzyn if (fastcmp<strcmp>(buffer, "<pre-initialized>")) { 639a03863e88da99ba010342c874252089dd771f7fMark Salyzyn retval = strdup(buffer); 649a03863e88da99ba010342c874252089dd771f7fMark Salyzyn } 659a03863e88da99ba010342c874252089dd771f7fMark Salyzyn } 669a03863e88da99ba010342c874252089dd771f7fMark Salyzyn close(fd); 679a03863e88da99ba010342c874252089dd771f7fMark Salyzyn } 689a03863e88da99ba010342c874252089dd771f7fMark Salyzyn } 699a03863e88da99ba010342c874252089dd771f7fMark Salyzyn return retval; 709a03863e88da99ba010342c874252089dd771f7fMark Salyzyn} 71720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn} 72720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 73501c373916e292764400dbae735f44b33378400fMark Salyzynvoid LogStatistics::add(LogBufferElement* element) { 74758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn log_id_t log_id = element->getLogId(); 75758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn unsigned short size = element->getMsgLen(); 7697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mSizes[log_id] += size; 7797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn ++mElements[log_id]; 7834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 79a2c022257c5bed56fbc47de25c5d909bbe880f7bMark Salyzyn if (element->getDropped()) { 80a2c022257c5bed56fbc47de25c5d909bbe880f7bMark Salyzyn ++mDroppedElements[log_id]; 81a2c022257c5bed56fbc47de25c5d909bbe880f7bMark Salyzyn } else { 82a2c022257c5bed56fbc47de25c5d909bbe880f7bMark Salyzyn // When caller adding a chatty entry, they will have already 83a2c022257c5bed56fbc47de25c5d909bbe880f7bMark Salyzyn // called add() and subtract() for each entry as they are 84a2c022257c5bed56fbc47de25c5d909bbe880f7bMark Salyzyn // evaluated and trimmed, thus recording size and number of 85a2c022257c5bed56fbc47de25c5d909bbe880f7bMark Salyzyn // elements, but we must recognize the manufactured dropped 86a2c022257c5bed56fbc47de25c5d909bbe880f7bMark Salyzyn // entry as not contributing to the lifetime totals. 87a2c022257c5bed56fbc47de25c5d909bbe880f7bMark Salyzyn mSizesTotal[log_id] += size; 883296291cffd13af13ea9e60a8ac1138101cf8e4cMark Salyzyn SizesTotal += size; 89a2c022257c5bed56fbc47de25c5d909bbe880f7bMark Salyzyn ++mElementsTotal[log_id]; 90a2c022257c5bed56fbc47de25c5d909bbe880f7bMark Salyzyn } 91720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 92ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn if (log_id == LOG_ID_KERNEL) { 93ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn return; 94ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn } 95ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn 96758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uidTable[log_id].add(element->getUid(), element); 97bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (element->getUid() == AID_SYSTEM) { 98bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn pidSystemTable[log_id].add(element->getPid(), element); 99bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 100ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn 101720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn if (!enable) { 102720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn return; 103720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 104720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 105758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn pidTable.add(element->getPid(), element); 106758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn tidTable.add(element->getTid(), element); 107344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn 108758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uint32_t tag = element->getTag(); 109344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn if (tag) { 110083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn if (log_id == LOG_ID_SECURITY) { 111083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn securityTagTable.add(tag, element); 112083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn } else { 113083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn tagTable.add(tag, element); 114083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn } 115344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn } 11634facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn} 11734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 118501c373916e292764400dbae735f44b33378400fMark Salyzynvoid LogStatistics::subtract(LogBufferElement* element) { 119758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn log_id_t log_id = element->getLogId(); 120758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn unsigned short size = element->getMsgLen(); 12197c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn mSizes[log_id] -= size; 12297c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn --mElements[log_id]; 12358b8be8906f903ac3d83c41bcb0fb9c7841945f0Mark Salyzyn if (element->getDropped()) { 12458b8be8906f903ac3d83c41bcb0fb9c7841945f0Mark Salyzyn --mDroppedElements[log_id]; 12558b8be8906f903ac3d83c41bcb0fb9c7841945f0Mark Salyzyn } 12634facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 127ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn if (log_id == LOG_ID_KERNEL) { 128ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn return; 129ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn } 130ae4d928d816e30dbe57c2c321b0f0759d0567b3fMark Salyzyn 131758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uidTable[log_id].subtract(element->getUid(), element); 132bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (element->getUid() == AID_SYSTEM) { 133bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn pidSystemTable[log_id].subtract(element->getPid(), element); 134bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 13534facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 136720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn if (!enable) { 137720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn return; 13834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 13934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 140758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn pidTable.subtract(element->getPid(), element); 141758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn tidTable.subtract(element->getTid(), element); 142344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn 143758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uint32_t tag = element->getTag(); 144344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn if (tag) { 145083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn if (log_id == LOG_ID_SECURITY) { 146083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn securityTagTable.subtract(tag, element); 147083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn } else { 148083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn tagTable.subtract(tag, element); 149083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn } 150344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn } 151c8a576c637ae00577273b778498019dd609fcd15Mark Salyzyn} 152c8a576c637ae00577273b778498019dd609fcd15Mark Salyzyn 153ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn// Atomically set an entry to drop 154ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn// entry->setDropped(1) must follow this call, caller should do this explicitly. 155501c373916e292764400dbae735f44b33378400fMark Salyzynvoid LogStatistics::drop(LogBufferElement* element) { 156758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn log_id_t log_id = element->getLogId(); 157758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn unsigned short size = element->getMsgLen(); 158ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn mSizes[log_id] -= size; 15958b8be8906f903ac3d83c41bcb0fb9c7841945f0Mark Salyzyn ++mDroppedElements[log_id]; 160ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn 161758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uidTable[log_id].drop(element->getUid(), element); 162bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (element->getUid() == AID_SYSTEM) { 163bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn pidSystemTable[log_id].drop(element->getPid(), element); 164bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 165ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn 166ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn if (!enable) { 167ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn return; 168ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn } 169ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn 170758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn pidTable.drop(element->getPid(), element); 171758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn tidTable.drop(element->getTid(), element); 1726a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn 1736a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn uint32_t tag = element->getTag(); 1746a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn if (tag) { 1756a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn if (log_id == LOG_ID_SECURITY) { 1766a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn securityTagTable.drop(tag, element); 1776a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn } else { 1786a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn tagTable.drop(tag, element); 1796a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn } 1806a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn } 181ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn} 182ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn 18397c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn// caller must own and free character string 184501c373916e292764400dbae735f44b33378400fMark Salyzynconst char* LogStatistics::uidToName(uid_t uid) const { 18597c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn // Local hard coded favourites 18697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn if (uid == AID_LOGD) { 18797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn return strdup("auditd"); 18834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 18934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 190b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn // Android system 191b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn if (uid < AID_APP) { 192b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn // in bionic, thread safe as long as we copy the results 193501c373916e292764400dbae735f44b33378400fMark Salyzyn struct passwd* pwd = getpwuid(uid); 194b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn if (pwd) { 195b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn return strdup(pwd->pw_name); 19634facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 19734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 19834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 19908739ba71fc1f2659149be760405d622e5b68f06Mark Salyzyn // Parse /data/system/packages.list 200dff44709cf462a3af7eb5770c90e3ada492295b7Jeff Sharkey uid_t userId = uid % AID_USER_OFFSET; 201501c373916e292764400dbae735f44b33378400fMark Salyzyn const char* name = android::uidToName(userId); 202023f51f360472f6bb9bad495e55cdb32b5411bc5Mark Salyzyn if (!name && (userId > (AID_SHARED_GID_START - AID_APP))) { 203023f51f360472f6bb9bad495e55cdb32b5411bc5Mark Salyzyn name = android::uidToName(userId - (AID_SHARED_GID_START - AID_APP)); 204023f51f360472f6bb9bad495e55cdb32b5411bc5Mark Salyzyn } 20508739ba71fc1f2659149be760405d622e5b68f06Mark Salyzyn if (name) { 20608739ba71fc1f2659149be760405d622e5b68f06Mark Salyzyn return name; 20708739ba71fc1f2659149be760405d622e5b68f06Mark Salyzyn } 208720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 209b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn // Android application 210b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn if (uid >= AID_APP) { 211501c373916e292764400dbae735f44b33378400fMark Salyzyn struct passwd* pwd = getpwuid(uid); 212b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn if (pwd) { 213b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn return strdup(pwd->pw_name); 214b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn } 215b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn } 216b8a95bd3c9502d48b203b9f1e5df9b84a5df6281Mark Salyzyn 217720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn // report uid -> pid(s) -> pidToName if unique 218501c373916e292764400dbae735f44b33378400fMark Salyzyn for (pidTable_t::const_iterator it = pidTable.begin(); it != pidTable.end(); 219501c373916e292764400dbae735f44b33378400fMark Salyzyn ++it) { 220501c373916e292764400dbae735f44b33378400fMark Salyzyn const PidEntry& entry = it->second; 221720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 222720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn if (entry.getUid() == uid) { 223501c373916e292764400dbae735f44b33378400fMark Salyzyn const char* nameTmp = entry.getName(); 224720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 225758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (nameTmp) { 226720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn if (!name) { 227758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name = strdup(nameTmp); 2280eeb06b932f185e10377e4494475d2cdd6adfa1bMark Salyzyn } else if (fastcmp<strcmp>(name, nameTmp)) { 229501c373916e292764400dbae735f44b33378400fMark Salyzyn free(const_cast<char*>(name)); 230023f51f360472f6bb9bad495e55cdb32b5411bc5Mark Salyzyn name = NULL; 231023f51f360472f6bb9bad495e55cdb32b5411bc5Mark Salyzyn break; 232720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 233720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 234720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 235720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 236720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 23797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn // No one 238720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn return name; 23934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn} 24034facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 241501c373916e292764400dbae735f44b33378400fMark Salyzynstd::string UidEntry::formatHeader(const std::string& name, log_id_t id) const { 242758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn bool isprune = worstUidEnabledForLogid(id); 243501c373916e292764400dbae735f44b33378400fMark Salyzyn return formatLine(android::base::StringPrintf(name.c_str(), 244501c373916e292764400dbae735f44b33378400fMark Salyzyn android_log_id_to_name(id)), 245758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("Size"), 246501c373916e292764400dbae735f44b33378400fMark Salyzyn std::string(isprune ? "+/- Pruned" : "")) + 247501c373916e292764400dbae735f44b33378400fMark Salyzyn formatLine(std::string("UID PACKAGE"), std::string("BYTES"), 248758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string(isprune ? "NUM" : "")); 249758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 250758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 251501c373916e292764400dbae735f44b33378400fMark Salyzynstd::string UidEntry::format(const LogStatistics& stat, log_id_t id) const { 252ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn uid_t uid = getUid(); 253758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string name = android::base::StringPrintf("%u", uid); 254501c373916e292764400dbae735f44b33378400fMark Salyzyn const char* nameTmp = stat.uidToName(uid); 255758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (nameTmp) { 256758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 257501c373916e292764400dbae735f44b33378400fMark Salyzyn "%*s%s", (int)std::max(6 - name.length(), (size_t)1), "", nameTmp); 258501c373916e292764400dbae735f44b33378400fMark Salyzyn free(const_cast<char*>(nameTmp)); 259758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 260758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 261758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string size = android::base::StringPrintf("%zu", getSizes()); 262758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 263758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string pruned = ""; 264c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if (worstUidEnabledForLogid(id)) { 265c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t totalDropped = 0; 266501c373916e292764400dbae735f44b33378400fMark Salyzyn for (LogStatistics::uidTable_t::const_iterator it = 267501c373916e292764400dbae735f44b33378400fMark Salyzyn stat.uidTable[id].begin(); 268501c373916e292764400dbae735f44b33378400fMark Salyzyn it != stat.uidTable[id].end(); ++it) { 269c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn totalDropped += it->second.getDropped(); 270c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 271c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t sizes = stat.sizes(id); 272c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t totalSize = stat.sizesTotal(id); 273c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t totalElements = stat.elementsTotal(id); 274501c373916e292764400dbae735f44b33378400fMark Salyzyn float totalVirtualSize = 275501c373916e292764400dbae735f44b33378400fMark Salyzyn (float)sizes + (float)totalDropped * totalSize / totalElements; 276c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t entrySize = getSizes(); 277c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn float virtualEntrySize = entrySize; 278c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn int realPermille = virtualEntrySize * 1000.0 / sizes; 279c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn size_t dropped = getDropped(); 280c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if (dropped) { 281c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn pruned = android::base::StringPrintf("%zu", dropped); 282c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn virtualEntrySize += (float)dropped * totalSize / totalElements; 283c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 284c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn int virtualPermille = virtualEntrySize * 1000.0 / totalVirtualSize; 285501c373916e292764400dbae735f44b33378400fMark Salyzyn int permille = 286501c373916e292764400dbae735f44b33378400fMark Salyzyn (realPermille - virtualPermille) * 1000L / (virtualPermille ?: 1); 287c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if ((permille < -1) || (1 < permille)) { 288c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn std::string change; 289501c373916e292764400dbae735f44b33378400fMark Salyzyn const char* units = "%"; 290501c373916e292764400dbae735f44b33378400fMark Salyzyn const char* prefix = (permille > 0) ? "+" : ""; 291c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn 292c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if (permille > 999) { 293501c373916e292764400dbae735f44b33378400fMark Salyzyn permille = (permille + 1000) / 100; // Now tenths fold 294c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn units = "X"; 295c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn prefix = ""; 296c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 297c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if ((-99 < permille) && (permille < 99)) { 298501c373916e292764400dbae735f44b33378400fMark Salyzyn change = android::base::StringPrintf( 299501c373916e292764400dbae735f44b33378400fMark Salyzyn "%s%d.%u%s", prefix, permille / 10, 300c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn ((permille < 0) ? (-permille % 10) : (permille % 10)), 301c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn units); 302c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } else { 303501c373916e292764400dbae735f44b33378400fMark Salyzyn change = android::base::StringPrintf( 304501c373916e292764400dbae735f44b33378400fMark Salyzyn "%s%d%s", prefix, (permille + 5) / 10, units); 305c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 306501c373916e292764400dbae735f44b33378400fMark Salyzyn ssize_t spaces = EntryBaseConstants::pruned_len - 2 - 307501c373916e292764400dbae735f44b33378400fMark Salyzyn pruned.length() - change.length(); 308c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn if ((spaces <= 0) && pruned.length()) { 309c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn spaces = 1; 310c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 311d966e226809bd446bb33651b71d7934887787c1dMark Salyzyn if (spaces > 0) { 312c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn change += android::base::StringPrintf("%*s", (int)spaces, ""); 313c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 314c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn pruned = change + pruned; 315c723df805a1a3199577cac947cebf2ab53abdb34Mark Salyzyn } 316758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 317758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 318bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn std::string output = formatLine(name, size, pruned); 319bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn 320bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (uid != AID_SYSTEM) { 321bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn return output; 322bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 323bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn 324bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn static const size_t maximum_sorted_entries = 32; 325501c373916e292764400dbae735f44b33378400fMark Salyzyn std::unique_ptr<const PidEntry* []> sorted = 326501c373916e292764400dbae735f44b33378400fMark Salyzyn stat.pidSystemTable[id].sort(uid, (pid_t)0, maximum_sorted_entries); 327bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn 328bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (!sorted.get()) { 329bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn return output; 330bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 331bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn std::string byPid; 332bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn size_t index; 333bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn bool hasDropped = false; 334bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn for (index = 0; index < maximum_sorted_entries; ++index) { 335501c373916e292764400dbae735f44b33378400fMark Salyzyn const PidEntry* entry = sorted[index]; 336bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (!entry) { 337bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn break; 338bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 339bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (entry->getSizes() <= (getSizes() / 100)) { 340bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn break; 341bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 342bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn if (entry->getDropped()) { 343bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn hasDropped = true; 344bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 345bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn byPid += entry->format(stat, id); 346bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 347501c373916e292764400dbae735f44b33378400fMark Salyzyn if (index > 1) { // print this only if interesting 348bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn std::string ditto("\" "); 349501c373916e292764400dbae735f44b33378400fMark Salyzyn output += formatLine(std::string(" PID/UID COMMAND LINE"), ditto, 350501c373916e292764400dbae735f44b33378400fMark Salyzyn hasDropped ? ditto : std::string("")); 351bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn output += byPid; 352bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn } 353bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn 354bec3c3def945576d59d3344c16e149e6d9154e15Mark Salyzyn return output; 355758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 356758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 357501c373916e292764400dbae735f44b33378400fMark Salyzynstd::string PidEntry::formatHeader(const std::string& name, 358501c373916e292764400dbae735f44b33378400fMark Salyzyn log_id_t /* id */) const { 359501c373916e292764400dbae735f44b33378400fMark Salyzyn return formatLine(name, std::string("Size"), std::string("Pruned")) + 360501c373916e292764400dbae735f44b33378400fMark Salyzyn formatLine(std::string(" PID/UID COMMAND LINE"), 361501c373916e292764400dbae735f44b33378400fMark Salyzyn std::string("BYTES"), std::string("NUM")); 362758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 363758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 364501c373916e292764400dbae735f44b33378400fMark Salyzynstd::string PidEntry::format(const LogStatistics& stat, 365501c373916e292764400dbae735f44b33378400fMark Salyzyn log_id_t /* id */) const { 366758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uid_t uid = getUid(); 367ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn pid_t pid = getPid(); 368ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn std::string name = android::base::StringPrintf("%5u/%u", pid, uid); 369501c373916e292764400dbae735f44b33378400fMark Salyzyn const char* nameTmp = getName(); 370758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (nameTmp) { 371758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 372501c373916e292764400dbae735f44b33378400fMark Salyzyn "%*s%s", (int)std::max(12 - name.length(), (size_t)1), "", nameTmp); 373758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } else if ((nameTmp = stat.uidToName(uid))) { 374758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 375501c373916e292764400dbae735f44b33378400fMark Salyzyn "%*s%s", (int)std::max(12 - name.length(), (size_t)1), "", nameTmp); 376501c373916e292764400dbae735f44b33378400fMark Salyzyn free(const_cast<char*>(nameTmp)); 377758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 378758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 379501c373916e292764400dbae735f44b33378400fMark Salyzyn std::string size = android::base::StringPrintf("%zu", getSizes()); 380758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 381758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string pruned = ""; 382758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn size_t dropped = getDropped(); 383758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (dropped) { 384758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn pruned = android::base::StringPrintf("%zu", dropped); 385758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 386758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 387758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn return formatLine(name, size, pruned); 388758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 389758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 390501c373916e292764400dbae735f44b33378400fMark Salyzynstd::string TidEntry::formatHeader(const std::string& name, 391501c373916e292764400dbae735f44b33378400fMark Salyzyn log_id_t /* id */) const { 392501c373916e292764400dbae735f44b33378400fMark Salyzyn return formatLine(name, std::string("Size"), std::string("Pruned")) + 393501c373916e292764400dbae735f44b33378400fMark Salyzyn formatLine(std::string(" TID/UID COMM"), std::string("BYTES"), 394758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string("NUM")); 395758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 396758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 397501c373916e292764400dbae735f44b33378400fMark Salyzynstd::string TidEntry::format(const LogStatistics& stat, 398501c373916e292764400dbae735f44b33378400fMark Salyzyn log_id_t /* id */) const { 399758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uid_t uid = getUid(); 400501c373916e292764400dbae735f44b33378400fMark Salyzyn std::string name = android::base::StringPrintf("%5u/%u", getTid(), uid); 401501c373916e292764400dbae735f44b33378400fMark Salyzyn const char* nameTmp = getName(); 402758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (nameTmp) { 403758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 404501c373916e292764400dbae735f44b33378400fMark Salyzyn "%*s%s", (int)std::max(12 - name.length(), (size_t)1), "", nameTmp); 405758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } else if ((nameTmp = stat.uidToName(uid))) { 406758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn // if we do not have a PID name, lets punt to try UID name? 407758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 408501c373916e292764400dbae735f44b33378400fMark Salyzyn "%*s%s", (int)std::max(12 - name.length(), (size_t)1), "", nameTmp); 409501c373916e292764400dbae735f44b33378400fMark Salyzyn free(const_cast<char*>(nameTmp)); 410758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn // We tried, better to not have a name at all, we still 411758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn // have TID/UID by number to report in any case. 412758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 413758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 414501c373916e292764400dbae735f44b33378400fMark Salyzyn std::string size = android::base::StringPrintf("%zu", getSizes()); 415758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 416758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string pruned = ""; 417758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn size_t dropped = getDropped(); 418758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (dropped) { 419758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn pruned = android::base::StringPrintf("%zu", dropped); 420758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 421758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 422758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn return formatLine(name, size, pruned); 423758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 424758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 425501c373916e292764400dbae735f44b33378400fMark Salyzynstd::string TagEntry::formatHeader(const std::string& name, log_id_t id) const { 426758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn bool isprune = worstUidEnabledForLogid(id); 427501c373916e292764400dbae735f44b33378400fMark Salyzyn return formatLine(name, std::string("Size"), 428501c373916e292764400dbae735f44b33378400fMark Salyzyn std::string(isprune ? "Prune" : "")) + 429501c373916e292764400dbae735f44b33378400fMark Salyzyn formatLine(std::string(" TAG/UID TAGNAME"), 430501c373916e292764400dbae735f44b33378400fMark Salyzyn std::string("BYTES"), std::string(isprune ? "NUM" : "")); 431758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn} 432758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 433501c373916e292764400dbae735f44b33378400fMark Salyzynstd::string TagEntry::format(const LogStatistics& /* stat */, 434501c373916e292764400dbae735f44b33378400fMark Salyzyn log_id_t /* id */) const { 435758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string name; 436758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn uid_t uid = getUid(); 437758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (uid == (uid_t)-1) { 438501c373916e292764400dbae735f44b33378400fMark Salyzyn name = android::base::StringPrintf("%7u", getKey()); 439ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn } else { 440501c373916e292764400dbae735f44b33378400fMark Salyzyn name = android::base::StringPrintf("%7u/%u", getKey(), uid); 441ab0dcf682867bd7e1fdebfd8d8f9fafaccfad7f6Mark Salyzyn } 442501c373916e292764400dbae735f44b33378400fMark Salyzyn const char* nameTmp = getName(); 443758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn if (nameTmp) { 444758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn name += android::base::StringPrintf( 445501c373916e292764400dbae735f44b33378400fMark Salyzyn "%*s%s", (int)std::max(14 - name.length(), (size_t)1), "", nameTmp); 446758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn } 447758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 448501c373916e292764400dbae735f44b33378400fMark Salyzyn std::string size = android::base::StringPrintf("%zu", getSizes()); 449758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 450758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string pruned = ""; 4516a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn size_t dropped = getDropped(); 4526a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn if (dropped) { 4536a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn pruned = android::base::StringPrintf("%zu", dropped); 4546a06694a610d103afdf424b0bb69dc8f7f2b8e5aMark Salyzyn } 455758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 456758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn return formatLine(name, size, pruned); 45734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn} 45834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 459ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzynstd::string LogStatistics::format(uid_t uid, pid_t pid, 460ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn unsigned int logMask) const { 4619a03863e88da99ba010342c874252089dd771f7fMark Salyzyn static const unsigned short spaces_total = 19; 46234facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 46397c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn // Report on total logging, current and for all time 46497c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn 465decbcd9c418a4d076965971e74fd51fab497414bMark Salyzyn std::string output = "size/num"; 46634facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn size_t oldLength; 46797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn short spaces = 1; 46834facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 46997c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn log_id_for_each(id) { 4709af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (!(logMask & (1 << id))) continue; 47197c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn oldLength = output.length(); 4729af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 473decbcd9c418a4d076965971e74fd51fab497414bMark Salyzyn output += android::base::StringPrintf("%*s%s", spaces, "", 474decbcd9c418a4d076965971e74fd51fab497414bMark Salyzyn android_log_id_to_name(id)); 47597c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn spaces += spaces_total + oldLength - output.length(); 47697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn } 4779af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 4789af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += android::base::StringPrintf("%*sTotal", spaces, ""); 479c8a576c637ae00577273b778498019dd609fcd15Mark Salyzyn 4809af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn static const char TotalStr[] = "\nTotal"; 4819af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn spaces = 10 - strlen(TotalStr); 4829af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += TotalStr; 483c8a576c637ae00577273b778498019dd609fcd15Mark Salyzyn 4849af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t totalSize = 0; 4859af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t totalEls = 0; 48697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn log_id_for_each(id) { 4879af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (!(logMask & (1 << id))) continue; 48897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn oldLength = output.length(); 4899af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 4909af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t szs = sizesTotal(id); 4919af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalSize += szs; 4929af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t els = elementsTotal(id); 4939af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalEls += els; 494501c373916e292764400dbae735f44b33378400fMark Salyzyn output += 495501c373916e292764400dbae735f44b33378400fMark Salyzyn android::base::StringPrintf("%*s%zu/%zu", spaces, "", szs, els); 49697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn spaces += spaces_total + oldLength - output.length(); 49734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 4989af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 499501c373916e292764400dbae735f44b33378400fMark Salyzyn output += android::base::StringPrintf("%*s%zu/%zu", spaces, "", totalSize, 500501c373916e292764400dbae735f44b33378400fMark Salyzyn totalEls); 50134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 5029af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn static const char NowStr[] = "\nNow"; 5039af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn spaces = 10 - strlen(NowStr); 5049af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += NowStr; 50534facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 5069af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalSize = 0; 5079af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalEls = 0; 50897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn log_id_for_each(id) { 5099af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (!(logMask & (1 << id))) continue; 5109af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn 5119af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t els = elements(id); 5129af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (els) { 5139af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn oldLength = output.length(); 5149af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 5159af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t szs = sizes(id); 5169af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalSize += szs; 5179af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalEls += els; 518501c373916e292764400dbae735f44b33378400fMark Salyzyn output += 519501c373916e292764400dbae735f44b33378400fMark Salyzyn android::base::StringPrintf("%*s%zu/%zu", spaces, "", szs, els); 5209af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn spaces -= output.length() - oldLength; 52134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 5229af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn spaces += spaces_total; 5239af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn } 5249af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 525501c373916e292764400dbae735f44b33378400fMark Salyzyn output += android::base::StringPrintf("%*s%zu/%zu", spaces, "", totalSize, 526501c373916e292764400dbae735f44b33378400fMark Salyzyn totalEls); 5279af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn 5289af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn static const char OverheadStr[] = "\nOverhead"; 5299af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn spaces = 10 - strlen(OverheadStr); 5309af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += OverheadStr; 5319af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn 5329af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalSize = 0; 5339af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn log_id_for_each(id) { 5349af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (!(logMask & (1 << id))) continue; 53534facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 53697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn size_t els = elements(id); 53734facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn if (els) { 53897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn oldLength = output.length(); 5399af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 5409af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn // estimate the std::list overhead. 5419af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn static const size_t overhead = 5429af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn ((sizeof(LogBufferElement) + sizeof(uint64_t) - 1) & 543501c373916e292764400dbae735f44b33378400fMark Salyzyn -sizeof(uint64_t)) + 5449af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn sizeof(std::list<LogBufferElement*>); 5459af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn size_t szs = sizes(id) + els * overhead; 5469af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn totalSize += szs; 5479af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += android::base::StringPrintf("%*s%zu", spaces, "", szs); 54897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn spaces -= output.length() - oldLength; 54934facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 55034facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn spaces += spaces_total; 55134facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn } 5526d981af12023bcaf22bfa0612a85ae4580ecb971Mark Salyzyn totalSize += sizeOf(); 5539af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (spaces < 0) spaces = 0; 5549af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn output += android::base::StringPrintf("%*s%zu", spaces, "", totalSize); 55534facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn 55697c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn // Report on Chattiest 5578e72c5384b288bc11af60e12686a44e502633e3dMark Salyzyn 558758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn std::string name; 559758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn 56097c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn // Chattiest by application (UID) 56197c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn log_id_for_each(id) { 5629af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (!(logMask & (1 << id))) continue; 5638e72c5384b288bc11af60e12686a44e502633e3dMark Salyzyn 564501c373916e292764400dbae735f44b33378400fMark Salyzyn name = (uid == AID_ROOT) ? "Chattiest UIDs in %s log buffer:" 565501c373916e292764400dbae735f44b33378400fMark Salyzyn : "Logging for your UID in %s log buffer:"; 566ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn output += uidTable[id].format(*this, uid, pid, name, id); 567720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 56897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn 569720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn if (enable) { 570501c373916e292764400dbae735f44b33378400fMark Salyzyn name = ((uid == AID_ROOT) && !pid) ? "Chattiest PIDs:" 571501c373916e292764400dbae735f44b33378400fMark Salyzyn : "Logging for this PID:"; 572ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn output += pidTable.format(*this, uid, pid, name); 573ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name = "Chattiest TIDs"; 5749af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (pid) name += android::base::StringPrintf(" for PID %d", pid); 575ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name += ":"; 576ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn output += tidTable.format(*this, uid, pid, name); 57717ed6797df722464eb5cc6dfc3e1e32aec284b70Mark Salyzyn } 57817ed6797df722464eb5cc6dfc3e1e32aec284b70Mark Salyzyn 579344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn if (enable && (logMask & (1 << LOG_ID_EVENTS))) { 580ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name = "Chattiest events log buffer TAGs"; 5819af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (pid) name += android::base::StringPrintf(" for PID %d", pid); 582ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name += ":"; 583ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn output += tagTable.format(*this, uid, pid, name, LOG_ID_EVENTS); 584344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn } 585344bff4391dd434dda501e812f18f524290c5a7cMark Salyzyn 586083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn if (enable && (logMask & (1 << LOG_ID_SECURITY))) { 587ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name = "Chattiest security log buffer TAGs"; 5889af33ee78c395af715e7b861f4e32272559e1fe9Mark Salyzyn if (pid) name += android::base::StringPrintf(" for PID %d", pid); 589ee3b838e13dc2140ac2051c1012d471effd0fd5fMark Salyzyn name += ":"; 590501c373916e292764400dbae735f44b33378400fMark Salyzyn output += 591501c373916e292764400dbae735f44b33378400fMark Salyzyn securityTagTable.format(*this, uid, pid, name, LOG_ID_SECURITY); 592083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn } 593083b037c0740ca00f72429e4457bfdd4b4d4dfa7Mark Salyzyn 59473160acc5cb5236b30327569e6b51dbfe73e4a0fMark Salyzyn return output; 59534facab86b0fe7ec613de92b46b637f864fb0682Mark Salyzyn} 5964ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn 597720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzynnamespace android { 598720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 599720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzynuid_t pidToUid(pid_t pid) { 60097c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn char buffer[512]; 60197c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn snprintf(buffer, sizeof(buffer), "/proc/%u/status", pid); 602501c373916e292764400dbae735f44b33378400fMark Salyzyn FILE* fp = fopen(buffer, "r"); 60397c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn if (fp) { 60497c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn while (fgets(buffer, sizeof(buffer), fp)) { 60597c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn int uid; 606c32afdf913f082235b1e66f5a57678c7f0723129Mark Salyzyn if (sscanf(buffer, "Uid: %d", &uid) == 1) { 60797c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn fclose(fp); 60897c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn return uid; 6094ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn } 6104ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn } 61197c1c2beee2cbd8c67c1cd507367e5b084d853c8Mark Salyzyn fclose(fp); 6124ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn } 613501c373916e292764400dbae735f44b33378400fMark Salyzyn return AID_LOGD; // associate this with the logger 6144ba0387af5acc52e43e4004ccb4c46b8bc700349Mark Salyzyn} 615720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn} 616720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 617720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzynuid_t LogStatistics::pidToUid(pid_t pid) { 618511338dd575572d567c04d69eaea60627b6c3452Mark Salyzyn return pidTable.add(pid)->second.getUid(); 619720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn} 620720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn 621720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn// caller must free character string 622501c373916e292764400dbae735f44b33378400fMark Salyzynconst char* LogStatistics::pidToName(pid_t pid) const { 623758058ffd8820df71c27db7675c50a90a5fa02b4Mark Salyzyn // An inconvenient truth ... getName() can alter the object 624501c373916e292764400dbae735f44b33378400fMark Salyzyn pidTable_t& writablePidTable = const_cast<pidTable_t&>(pidTable); 625501c373916e292764400dbae735f44b33378400fMark Salyzyn const char* name = writablePidTable.add(pid)->second.getName(); 62681b3eabc49736b89c4f99940f79785074955eaa5Mark Salyzyn if (!name) { 62781b3eabc49736b89c4f99940f79785074955eaa5Mark Salyzyn return NULL; 628720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn } 62981b3eabc49736b89c4f99940f79785074955eaa5Mark Salyzyn return strdup(name); 630720f6d1d55d936d98cc9752e96f479e03e6d5009Mark Salyzyn} 631