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 2022dbf3947fedf988e714a4703ddf85fc41413f90Mathias Agopian#include <utils/ProcessCallStack.h> 2122dbf3947fedf988e714a4703ddf85fc41413f90Mathias Agopian 22ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin#include <dirent.h> 238da9613b3f866b298bee1236b80bbbc63c554fdfSteven Moreland#include <unistd.h> 248da9613b3f866b298bee1236b80bbbc63c554fdfSteven Moreland 25d21cfab2446f07945b822641681e6b59c839158dSteven Moreland#include <memory> 26ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 27ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin#include <utils/Printer.h> 28ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 29ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinnamespace android { 30ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 31ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinenum { 32ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Max sizes for various dynamically generated strings 33ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin MAX_TIME_STRING = 64, 34ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin MAX_PROC_PATH = 1024, 35ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 36ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Dump related prettiness constants 37ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin IGNORE_DEPTH_CURRENT_THREAD = 2, 38ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin}; 39ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 40ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic const char* CALL_STACK_PREFIX = " "; 41ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic const char* PATH_THREAD_NAME = "/proc/self/task/%d/comm"; 42ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic const char* PATH_SELF_TASK = "/proc/self/task"; 43ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 44ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic void dumpProcessHeader(Printer& printer, pid_t pid, const char* timeStr) { 45ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (timeStr == NULL) { 46ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ALOGW("%s: timeStr was NULL", __FUNCTION__); 47ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return; 48ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 49ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 50ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char path[PATH_MAX]; 51ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char procNameBuf[MAX_PROC_PATH]; 52ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char* procName = NULL; 53ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin FILE* fp; 54ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 55ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); 56ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if ((fp = fopen(path, "r"))) { 57ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin procName = fgets(procNameBuf, sizeof(procNameBuf), fp); 58ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin fclose(fp); 59ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 60ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 61ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (!procName) { 62ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin procName = const_cast<char*>("<unknown>"); 63ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 64ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 65ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printLine(); 66ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printLine(); 67ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printFormatLine("----- pid %d at %s -----", pid, timeStr); 68ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printFormatLine("Cmd line: %s", procName); 69ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 70ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 71ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic void dumpProcessFooter(Printer& printer, pid_t pid) { 72ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printLine(); 73ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printFormatLine("----- end %d -----", pid); 74ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printLine(); 75ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 76ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 77ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic String8 getThreadName(pid_t tid) { 78ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char path[PATH_MAX]; 79ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char* procName = NULL; 80ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char procNameBuf[MAX_PROC_PATH]; 81ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin FILE* fp; 82ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 83ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin snprintf(path, sizeof(path), PATH_THREAD_NAME, tid); 84ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if ((fp = fopen(path, "r"))) { 85ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin procName = fgets(procNameBuf, sizeof(procNameBuf), fp); 86ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin fclose(fp); 87ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } else { 88ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ALOGE("%s: Failed to open %s", __FUNCTION__, path); 89ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 90ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 9163fbdb6440ce5009ef0bfd3d1e1cc60b46004973Igor Murashkin if (procName == NULL) { 9263fbdb6440ce5009ef0bfd3d1e1cc60b46004973Igor Murashkin // Reading /proc/self/task/%d/comm failed due to a race 9363fbdb6440ce5009ef0bfd3d1e1cc60b46004973Igor Murashkin return String8::format("[err-unknown-tid-%d]", tid); 9463fbdb6440ce5009ef0bfd3d1e1cc60b46004973Igor Murashkin } 9563fbdb6440ce5009ef0bfd3d1e1cc60b46004973Igor Murashkin 96ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Strip ending newline 97ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin strtok(procName, "\n"); 98ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 99ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return String8(procName); 100ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 101ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 102ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinstatic String8 getTimeString(struct tm tm) { 103ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin char timestr[MAX_TIME_STRING]; 104ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // i.e. '2013-10-22 14:42:05' 105ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin strftime(timestr, sizeof(timestr), "%F %T", &tm); 106ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 107ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return String8(timestr); 108ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 109ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 110ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin/* 111ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Implementation of ProcessCallStack 112ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin */ 113ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor MurashkinProcessCallStack::ProcessCallStack() { 114ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 115ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 116ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor MurashkinProcessCallStack::ProcessCallStack(const ProcessCallStack& rhs) : 117ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin mThreadMap(rhs.mThreadMap), 118ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin mTimeUpdated(rhs.mTimeUpdated) { 119ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 120ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 121ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor MurashkinProcessCallStack::~ProcessCallStack() { 122ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 123ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 124ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinvoid ProcessCallStack::clear() { 125ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin mThreadMap.clear(); 126ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin mTimeUpdated = tm(); 127ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 128ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 1299b0e074c6d38143e01616404a08b0c7aa992f3c3Christopher Ferrisvoid ProcessCallStack::update() { 130588a2cad7faee54bfb16050d0c7398709f304feaJames Hawkins std::unique_ptr<DIR, decltype(&closedir)> dp(opendir(PATH_SELF_TASK), closedir); 131ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (dp == NULL) { 1326ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes ALOGE("%s: Failed to update the process's call stacks: %s", 1336ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes __FUNCTION__, strerror(errno)); 134ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return; 135ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 136ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 137ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin pid_t selfPid = getpid(); 138ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 139ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin clear(); 140ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 141ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Get current time. 142ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin { 143ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin time_t t = time(NULL); 144ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin struct tm tm; 145ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin localtime_r(&t, &tm); 146ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 147ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin mTimeUpdated = tm; 148ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 149ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 150ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin /* 151ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Each tid is a directory inside of /proc/self/task 152ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * - Read every file in directory => get every tid 153ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin */ 1549f206938edc2243e4e4f5de74d67e15befd95576Elliott Hughes dirent* ep; 1559f206938edc2243e4e4f5de74d67e15befd95576Elliott Hughes while ((ep = readdir(dp.get())) != NULL) { 156ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin pid_t tid = -1; 157ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin sscanf(ep->d_name, "%d", &tid); 158ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 159ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (tid < 0) { 160ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Ignore '.' and '..' 161ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ALOGV("%s: Failed to read tid from %s/%s", 162ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin __FUNCTION__, PATH_SELF_TASK, ep->d_name); 163ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin continue; 164ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 165ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 166ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ssize_t idx = mThreadMap.add(tid, ThreadInfo()); 167ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (idx < 0) { // returns negative error value on error 1686ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes ALOGE("%s: Failed to add new ThreadInfo: %s", 1696ed68cc412752e4c78755df9a1516e610ec66fa8Elliott Hughes __FUNCTION__, strerror(-idx)); 170ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin continue; 171ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 172ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 173ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ThreadInfo& threadInfo = mThreadMap.editValueAt(static_cast<size_t>(idx)); 174ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 175ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin /* 176ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Ignore CallStack::update and ProcessCallStack::update for current thread 177ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * - Every other thread doesn't need this since we call update off-thread 178ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin */ 179ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin int ignoreDepth = (selfPid == tid) ? IGNORE_DEPTH_CURRENT_THREAD : 0; 180ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 181ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Update thread's call stacks 1829b0e074c6d38143e01616404a08b0c7aa992f3c3Christopher Ferris threadInfo.callStack.update(ignoreDepth, tid); 183ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 184ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin // Read/save thread name 185ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin threadInfo.threadName = getThreadName(tid); 186ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 187ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ALOGV("%s: Got call stack for tid %d (size %zu)", 1889b0e074c6d38143e01616404a08b0c7aa992f3c3Christopher Ferris __FUNCTION__, tid, threadInfo.callStack.size()); 189ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 190ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 191ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 192ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinvoid ProcessCallStack::log(const char* logtag, android_LogPriority priority, 193ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin const char* prefix) const { 194ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin LogPrinter printer(logtag, priority, prefix, /*ignoreBlankLines*/false); 195ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin print(printer); 196ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 197ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 198ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinvoid ProcessCallStack::print(Printer& printer) const { 199ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin /* 200ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Print the header/footer with the regular printer. 201ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin * Print the callstack with an additional two spaces as the prefix for legibility. 202ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin */ 203ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin PrefixPrinter csPrinter(printer, CALL_STACK_PREFIX); 204ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printInternal(printer, csPrinter); 205ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 206ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 207ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinvoid ProcessCallStack::printInternal(Printer& printer, Printer& csPrinter) const { 208ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin dumpProcessHeader(printer, getpid(), 209ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin getTimeString(mTimeUpdated).string()); 210ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 211ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin for (size_t i = 0; i < mThreadMap.size(); ++i) { 212ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin pid_t tid = mThreadMap.keyAt(i); 213ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin const ThreadInfo& threadInfo = mThreadMap.valueAt(i); 214ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin const String8& threadName = threadInfo.threadName; 215ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 216ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printLine(""); 217ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin printer.printFormatLine("\"%s\" sysTid=%d", threadName.string(), tid); 218ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 2199b0e074c6d38143e01616404a08b0c7aa992f3c3Christopher Ferris threadInfo.callStack.print(csPrinter); 220ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 221ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 222ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin dumpProcessFooter(printer, getpid()); 223ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 224ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 225ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinvoid ProcessCallStack::dump(int fd, int indent, const char* prefix) const { 226ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 227ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin if (indent < 0) { 228ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin ALOGW("%s: Bad indent (%d)", __FUNCTION__, indent); 229ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return; 230ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin } 231ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 232ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin FdPrinter printer(fd, static_cast<unsigned int>(indent), prefix); 233ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin print(printer); 234ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 235ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 236ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor MurashkinString8 ProcessCallStack::toString(const char* prefix) const { 237ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 238ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin String8 dest; 239ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin String8Printer printer(&dest, prefix); 240ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin print(printer); 241ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 242ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return dest; 243ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 244ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 245ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkinsize_t ProcessCallStack::size() const { 246ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin return mThreadMap.size(); 247ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin} 248ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin 249ec79ef2e7b6b1d81266637ca0e002b5c0c5a789bIgor Murashkin}; //namespace android 250