1ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin/* 2ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Copyright (C) 2013 The Android Open Source Project 3ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * 4ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Licensed under the Apache License, Version 2.0 (the "License"); 5ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * you may not use this file except in compliance with the License. 6ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * You may obtain a copy of the License at 7ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * 8ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * http://www.apache.org/licenses/LICENSE-2.0 9ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * 10ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Unless required by applicable law or agreed to in writing, software 11ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * distributed under the License is distributed on an "AS IS" BASIS, 12ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * See the License for the specific language governing permissions and 14ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * limitations under the License. 15ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin */ 16ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 17ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin#define LOG_TAG "ProcessCallStack" 18ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin// #define LOG_NDEBUG 0 19ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 20ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin#include <dirent.h> 216ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes#include <errno.h> 226ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes#include <stdio.h> 236ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes#include <string.h> 24ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 25ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin#include <utils/Log.h> 26ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin#include <utils/Errors.h> 27ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin#include <utils/ProcessCallStack.h> 28ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin#include <utils/Printer.h> 29ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 3081f2c3d2117cfe7307ee6efbd82567bd02950965Igor Murashkin#include <limits.h> 3181f2c3d2117cfe7307ee6efbd82567bd02950965Igor Murashkin 32ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinnamespace android { 33ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 34ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinenum { 35ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Max sizes for various dynamically generated strings 36ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin MAX_TIME_STRING = 64, 37ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin MAX_PROC_PATH = 1024, 38ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 39ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Dump related prettiness constants 40ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin IGNORE_DEPTH_CURRENT_THREAD = 2, 41ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin}; 42ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 43ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic const char* CALL_STACK_PREFIX = " "; 44ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic const char* PATH_THREAD_NAME = "/proc/self/task/%d/comm"; 45ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic const char* PATH_SELF_TASK = "/proc/self/task"; 46ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 47ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic void dumpProcessHeader(Printer& printer, pid_t pid, const char* timeStr) { 48ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (timeStr == NULL) { 49ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ALOGW("%s: timeStr was NULL", __FUNCTION__); 50ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return; 51ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 52ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 53ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char path[PATH_MAX]; 54ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char procNameBuf[MAX_PROC_PATH]; 55ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char* procName = NULL; 56ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin FILE* fp; 57ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 58ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 59ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if ((fp = fopen(path, "r"))) { 60ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin procName = fgets(procNameBuf, sizeof(procNameBuf), fp); 61ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin fclose(fp); 62ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 63ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 64ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (!procName) { 65ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin procName = const_cast<char*>("<unknown>"); 66ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 67ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 68ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printLine(); 69ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printLine(); 70ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printFormatLine("----- pid %d at %s -----", pid, timeStr); 71ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printFormatLine("Cmd line: %s", procName); 72ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 73ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 74ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic void dumpProcessFooter(Printer& printer, pid_t pid) { 75ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printLine(); 76ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printFormatLine("----- end %d -----", pid); 77ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printLine(); 78ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 79ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 80ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic String8 getThreadName(pid_t tid) { 81ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char path[PATH_MAX]; 82ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char* procName = NULL; 83ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char procNameBuf[MAX_PROC_PATH]; 84ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin FILE* fp; 85ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 86ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin snprintf(path, sizeof(path), PATH_THREAD_NAME, tid); 87ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if ((fp = fopen(path, "r"))) { 88ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin procName = fgets(procNameBuf, sizeof(procNameBuf), fp); 89ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin fclose(fp); 90ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } else { 91ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ALOGE("%s: Failed to open %s", __FUNCTION__, path); 92ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 93ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 9463fbdb6440ce5009ef0bfd3d1e1cc60b46004973Igor Murashkin if (procName == NULL) { 9563fbdb6440ce5009ef0bfd3d1e1cc60b46004973Igor Murashkin // Reading /proc/self/task/%d/comm failed due to a race 9663fbdb6440ce5009ef0bfd3d1e1cc60b46004973Igor Murashkin return String8::format("[err-unknown-tid-%d]", tid); 9763fbdb6440ce5009ef0bfd3d1e1cc60b46004973Igor Murashkin } 9863fbdb6440ce5009ef0bfd3d1e1cc60b46004973Igor Murashkin 99ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Strip ending newline 100ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin strtok(procName, "\n"); 101ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 102ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return String8(procName); 103ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 104ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 105ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic String8 getTimeString(struct tm tm) { 106ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char timestr[MAX_TIME_STRING]; 107ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // i.e. '2013-10-22 14:42:05' 108ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin strftime(timestr, sizeof(timestr), "%F %T", &tm); 109ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 110ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return String8(timestr); 111ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 112ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 113ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin/* 114ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Implementation of ProcessCallStack 115ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin */ 116ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor MurashkinProcessCallStack::ProcessCallStack() { 117ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 118ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 119ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor MurashkinProcessCallStack::ProcessCallStack(const ProcessCallStack& rhs) : 120ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin mThreadMap(rhs.mThreadMap), 121ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin mTimeUpdated(rhs.mTimeUpdated) { 122ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 123ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 124ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor MurashkinProcessCallStack::~ProcessCallStack() { 125ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 126ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 127ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinvoid ProcessCallStack::clear() { 128ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin mThreadMap.clear(); 129ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin mTimeUpdated = tm(); 130ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 131ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 1329b0e074c6d38143e01616404a08b0c7aa992f3c3Christopher Ferrisvoid ProcessCallStack::update() { 133ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin DIR *dp; 134ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin struct dirent *ep; 135ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin struct dirent entry; 136ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 137ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin dp = opendir(PATH_SELF_TASK); 138ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (dp == NULL) { 1396ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes ALOGE("%s: Failed to update the process's call stacks: %s", 1406ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes __FUNCTION__, strerror(errno)); 141ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return; 142ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 143ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 144ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin pid_t selfPid = getpid(); 145ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 146ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin clear(); 147ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 148ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Get current time. 149ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin { 150ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin time_t t = time(NULL); 151ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin struct tm tm; 152ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin localtime_r(&t, &tm); 153ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 154ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin mTimeUpdated = tm; 155ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 156ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 157ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin /* 158ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Each tid is a directory inside of /proc/self/task 159ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * - Read every file in directory => get every tid 160ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin */ 161ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin int code; 162ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin while ((code = readdir_r(dp, &entry, &ep)) == 0 && ep != NULL) { 163ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin pid_t tid = -1; 164ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin sscanf(ep->d_name, "%d", &tid); 165ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 166ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (tid < 0) { 167ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Ignore '.' and '..' 168ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ALOGV("%s: Failed to read tid from %s/%s", 169ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin __FUNCTION__, PATH_SELF_TASK, ep->d_name); 170ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin continue; 171ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 172ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 173ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ssize_t idx = mThreadMap.add(tid, ThreadInfo()); 174ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (idx < 0) { // returns negative error value on error 1756ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes ALOGE("%s: Failed to add new ThreadInfo: %s", 1766ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes __FUNCTION__, strerror(-idx)); 177ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin continue; 178ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 179ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 180ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ThreadInfo& threadInfo = mThreadMap.editValueAt(static_cast<size_t>(idx)); 181ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 182ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin /* 183ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Ignore CallStack::update and ProcessCallStack::update for current thread 184ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * - Every other thread doesn't need this since we call update off-thread 185ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin */ 186ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin int ignoreDepth = (selfPid == tid) ? IGNORE_DEPTH_CURRENT_THREAD : 0; 187ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 188ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Update thread's call stacks 1899b0e074c6d38143e01616404a08b0c7aa992f3c3Christopher Ferris threadInfo.callStack.update(ignoreDepth, tid); 190ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 191ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Read/save thread name 192ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin threadInfo.threadName = getThreadName(tid); 193ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 194ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ALOGV("%s: Got call stack for tid %d (size %zu)", 1959b0e074c6d38143e01616404a08b0c7aa992f3c3Christopher Ferris __FUNCTION__, tid, threadInfo.callStack.size()); 196ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 197ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (code != 0) { // returns positive error value on error 1986ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes ALOGE("%s: Failed to readdir from %s: %s", 1996ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes __FUNCTION__, PATH_SELF_TASK, strerror(code)); 200ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 201ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 202ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin closedir(dp); 203ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 204ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 205ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinvoid ProcessCallStack::log(const char* logtag, android_LogPriority priority, 206ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin const char* prefix) const { 207ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin LogPrinter printer(logtag, priority, prefix, /*ignoreBlankLines*/false); 208ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin print(printer); 209ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 210ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 211ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinvoid ProcessCallStack::print(Printer& printer) const { 212ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin /* 213ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Print the header/footer with the regular printer. 214ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Print the callstack with an additional two spaces as the prefix for legibility. 215ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin */ 216ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin PrefixPrinter csPrinter(printer, CALL_STACK_PREFIX); 217ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printInternal(printer, csPrinter); 218ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 219ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 220ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinvoid ProcessCallStack::printInternal(Printer& printer, Printer& csPrinter) const { 221ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin dumpProcessHeader(printer, getpid(), 222ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin getTimeString(mTimeUpdated).string()); 223ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 224ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin for (size_t i = 0; i < mThreadMap.size(); ++i) { 225ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin pid_t tid = mThreadMap.keyAt(i); 226ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin const ThreadInfo& threadInfo = mThreadMap.valueAt(i); 227ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin const String8& threadName = threadInfo.threadName; 228ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 229ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printLine(""); 230ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printFormatLine("\"%s\" sysTid=%d", threadName.string(), tid); 231ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 2329b0e074c6d38143e01616404a08b0c7aa992f3c3Christopher Ferris threadInfo.callStack.print(csPrinter); 233ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 234ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 235ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin dumpProcessFooter(printer, getpid()); 236ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 237ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 238ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinvoid ProcessCallStack::dump(int fd, int indent, const char* prefix) const { 239ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 240ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (indent < 0) { 241ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ALOGW("%s: Bad indent (%d)", __FUNCTION__, indent); 242ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return; 243ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 244ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 245ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin FdPrinter printer(fd, static_cast<unsigned int>(indent), prefix); 246ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin print(printer); 247ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 248ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 249ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor MurashkinString8 ProcessCallStack::toString(const char* prefix) const { 250ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 251ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin String8 dest; 252ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin String8Printer printer(&dest, prefix); 253ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin print(printer); 254ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 255ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return dest; 256ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 257ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 258ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinsize_t ProcessCallStack::size() const { 259ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return mThreadMap.size(); 260ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 261ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 262ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin}; //namespace android 263