167d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui/* 267d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * Copyright (C) 2015 The Android Open Source Project 367d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * 467d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * Licensed under the Apache License, Version 2.0 (the "License"); 567d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * you may not use this file except in compliance with the License. 667d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * You may obtain a copy of the License at 767d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * 867d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * http://www.apache.org/licenses/LICENSE-2.0 967d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * 1067d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * Unless required by applicable law or agreed to in writing, software 1167d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * distributed under the License is distributed on an "AS IS" BASIS, 1267d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1367d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * See the License for the specific language governing permissions and 1467d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui * limitations under the License. 1567d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui */ 1667d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui 1767d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#ifndef SIMPLE_PERF_UTILS_H_ 1867d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#define SIMPLE_PERF_UTILS_H_ 1967d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui 2067d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#include <stddef.h> 213e4c5950f3aafb0bf66544468d98ee3ec26b705cYabin Cui#include <time.h> 22cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui 23323e945313b190373b3fcfe578e25ee8390a76d3Yabin Cui#include <string> 249759e1b1ce76185aa539aeea2fb1cbd8382156e7Yabin Cui#include <vector> 2567d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui 268f680f60dc800bec880c5c35bfbc1ac36165e1f3Yabin Cui#include <android-base/logging.h> 27b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui#include <android-base/macros.h> 28be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui#include <ziparchive/zip_archive.h> 29b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui 30a7a0e5076f0107173bc9ee067d13955d0d169f25Yabin Cuistatic inline uint64_t Align(uint64_t value, uint64_t alignment) { 31a7a0e5076f0107173bc9ee067d13955d0d169f25Yabin Cui return (value + alignment - 1) & ~(alignment - 1); 32a7a0e5076f0107173bc9ee067d13955d0d169f25Yabin Cui} 3367d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui 34ffaa912ca48e87d25d516780c15cdd7c50de43dbYabin Cui#ifdef _WIN32 35ffaa912ca48e87d25d516780c15cdd7c50de43dbYabin Cui#define CLOSE_ON_EXEC_MODE "" 36ffaa912ca48e87d25d516780c15cdd7c50de43dbYabin Cui#else 37ffaa912ca48e87d25d516780c15cdd7c50de43dbYabin Cui#define CLOSE_ON_EXEC_MODE "e" 38ffaa912ca48e87d25d516780c15cdd7c50de43dbYabin Cui#endif 39621a533ec28dbbf8634211c684456b4bbc1bc0fbYabin Cui 40cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui// OneTimeAllocator is used to allocate memory many times and free only once at the end. 41cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui// It reduces the cost to free each allocated memory. 42cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cuiclass OneTimeFreeAllocator { 43cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui public: 445674ed87431f2d9b05f4ec0c7f7c2e56e585c956Chih-Hung Hsieh explicit OneTimeFreeAllocator(size_t unit_size = 8192u) 45cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui : unit_size_(unit_size), cur_(nullptr), end_(nullptr) { 46cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui } 47cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui 48cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui ~OneTimeFreeAllocator() { 49cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui Clear(); 50cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui } 51cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui 52cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui void Clear(); 53cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui const char* AllocateString(const std::string& s); 54cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui 55cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui private: 56cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui const size_t unit_size_; 57cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui std::vector<char*> v_; 58cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui char* cur_; 59cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui char* end_; 60cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui}; 61cc2e59e2478d330c89eaceda0dcc1f05ee32fbf8Yabin Cui 62b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cuiclass FileHelper { 63b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui public: 64be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui static FileHelper OpenReadOnly(const std::string& filename); 65be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui static FileHelper OpenWriteOnly(const std::string& filename); 66be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui 67be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui FileHelper(FileHelper&& other) { 68be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui fd_ = other.fd_; 69be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui other.fd_ = -1; 70be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui } 71be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui 72b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui ~FileHelper(); 73b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui 74b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui explicit operator bool() const { 75b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui return fd_ != -1; 76b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui } 77b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui 78b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui int fd() const { 79b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui return fd_; 80b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui } 81b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui 82b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui private: 835674ed87431f2d9b05f4ec0c7f7c2e56e585c956Chih-Hung Hsieh explicit FileHelper(int fd) : fd_(fd) {} 84b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui int fd_; 85b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui 86b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui DISALLOW_COPY_AND_ASSIGN(FileHelper); 87b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui}; 88b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cui 89be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cuiclass ArchiveHelper { 90be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui public: 91be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui ArchiveHelper(int fd, const std::string& debug_filename); 92be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui ~ArchiveHelper(); 93be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui 94be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui explicit operator bool() const { 95be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui return valid_; 96be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui } 97be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui ZipArchiveHandle &archive_handle() { 98be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui return handle_; 99be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui } 100be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui 101be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui private: 102be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui ZipArchiveHandle handle_; 103be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui bool valid_; 104be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui 105be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui DISALLOW_COPY_AND_ASSIGN(ArchiveHelper); 106be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui}; 107be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cui 108d713f959ec1fe07ed993e2c9f4166b52aa98a58cYabin Cuitemplate <class T> 109d713f959ec1fe07ed993e2c9f4166b52aa98a58cYabin Cuivoid MoveFromBinaryFormat(T& data, const char*& p) { 1102597ef042881f834d1bc414930f144a405dd13caYabin Cui static_assert(std::is_standard_layout<T>::value, "not standard layout"); 111c24dd76c350b6880df5f1398f9a8fe0d1cff0948Yabin Cui memcpy(&data, p, sizeof(T)); 112d713f959ec1fe07ed993e2c9f4166b52aa98a58cYabin Cui p += sizeof(T); 113d713f959ec1fe07ed993e2c9f4166b52aa98a58cYabin Cui} 114d713f959ec1fe07ed993e2c9f4166b52aa98a58cYabin Cui 1152597ef042881f834d1bc414930f144a405dd13caYabin Cuitemplate <class T> 1163d4aa26ae99db7576f352771d704bd9da9a55bcdYabin Cuivoid MoveFromBinaryFormat(T& data, char*& p) { 1173d4aa26ae99db7576f352771d704bd9da9a55bcdYabin Cui static_assert(std::is_standard_layout<T>::value, "not standard layout"); 1183d4aa26ae99db7576f352771d704bd9da9a55bcdYabin Cui memcpy(&data, p, sizeof(T)); 1193d4aa26ae99db7576f352771d704bd9da9a55bcdYabin Cui p += sizeof(T); 1203d4aa26ae99db7576f352771d704bd9da9a55bcdYabin Cui} 1213d4aa26ae99db7576f352771d704bd9da9a55bcdYabin Cui 1223d4aa26ae99db7576f352771d704bd9da9a55bcdYabin Cuitemplate <class T> 1232597ef042881f834d1bc414930f144a405dd13caYabin Cuivoid MoveFromBinaryFormat(T* data_p, size_t n, const char*& p) { 1242597ef042881f834d1bc414930f144a405dd13caYabin Cui static_assert(std::is_standard_layout<T>::value, "not standard layout"); 1252597ef042881f834d1bc414930f144a405dd13caYabin Cui size_t size = n * sizeof(T); 1262597ef042881f834d1bc414930f144a405dd13caYabin Cui memcpy(data_p, p, size); 1272597ef042881f834d1bc414930f144a405dd13caYabin Cui p += size; 1282597ef042881f834d1bc414930f144a405dd13caYabin Cui} 1292597ef042881f834d1bc414930f144a405dd13caYabin Cui 1302597ef042881f834d1bc414930f144a405dd13caYabin Cuitemplate <class T> 1312597ef042881f834d1bc414930f144a405dd13caYabin Cuivoid MoveToBinaryFormat(const T& data, char*& p) { 1322597ef042881f834d1bc414930f144a405dd13caYabin Cui static_assert(std::is_standard_layout<T>::value, "not standard layout"); 133c24dd76c350b6880df5f1398f9a8fe0d1cff0948Yabin Cui memcpy(p, &data, sizeof(T)); 1342597ef042881f834d1bc414930f144a405dd13caYabin Cui p += sizeof(T); 1352597ef042881f834d1bc414930f144a405dd13caYabin Cui} 1362597ef042881f834d1bc414930f144a405dd13caYabin Cui 1372597ef042881f834d1bc414930f144a405dd13caYabin Cuitemplate <class T> 1382597ef042881f834d1bc414930f144a405dd13caYabin Cuivoid MoveToBinaryFormat(const T* data_p, size_t n, char*& p) { 1392597ef042881f834d1bc414930f144a405dd13caYabin Cui static_assert(std::is_standard_layout<T>::value, "not standard layout"); 1402597ef042881f834d1bc414930f144a405dd13caYabin Cui size_t size = n * sizeof(T); 1412597ef042881f834d1bc414930f144a405dd13caYabin Cui memcpy(p, data_p, size); 1422597ef042881f834d1bc414930f144a405dd13caYabin Cui p += size; 1432597ef042881f834d1bc414930f144a405dd13caYabin Cui} 1442597ef042881f834d1bc414930f144a405dd13caYabin Cui 1457d59bb49fb47fbc82ef5c77d7aebf7174fd996e1Yabin Cuivoid PrintIndented(size_t indent, const char* fmt, ...); 146767dd17947f1ae9dd3d02f738d442a23ed76f2f6Yabin Cuivoid FprintIndented(FILE* fp, size_t indent, const char* fmt, ...); 1477d59bb49fb47fbc82ef5c77d7aebf7174fd996e1Yabin Cui 1489759e1b1ce76185aa539aeea2fb1cbd8382156e7Yabin Cuibool IsPowerOfTwo(uint64_t value); 1499759e1b1ce76185aa539aeea2fb1cbd8382156e7Yabin Cui 150078658638c01c035ebcb98a557628101566a1d57Yabin Cuistd::vector<std::string> GetEntriesInDir(const std::string& dirpath); 151078658638c01c035ebcb98a557628101566a1d57Yabin Cuistd::vector<std::string> GetSubDirs(const std::string& dirpath); 152b032de7a9e1975a838cd6df2e7c8df3c7f70a3ceYabin Cuibool IsDir(const std::string& dirpath); 153797116bfb9ad10d858086680c7465d65c399ef6eYabin Cuibool IsRegularFile(const std::string& filename); 154b1a885b014540a2f7798b5a35ea0f0ec150d93eeYabin Cuiuint64_t GetFileSize(const std::string& filename); 155be7ec66eaa4f995bd9068637f7c7d5718173922cYabin Cuibool MkdirWithParents(const std::string& path); 156323e945313b190373b3fcfe578e25ee8390a76d3Yabin Cui 15705400539d15c50a52a388daba2e831b86824cc8eYabin Cuibool XzDecompress(const std::string& compressed_data, std::string* decompressed_data); 15805400539d15c50a52a388daba2e831b86824cc8eYabin Cui 1598f680f60dc800bec880c5c35bfbc1ac36165e1f3Yabin Cuibool GetLogSeverity(const std::string& name, android::base::LogSeverity* severity); 160750b373d691df6a3818f4d025bcf3f433313ec85Yabin Cuistd::string GetLogSeverityName(); 1618f680f60dc800bec880c5c35bfbc1ac36165e1f3Yabin Cui 1625633586f0efc54dbaecad3deeb8568786317832dYabin Cuibool IsRoot(); 1635633586f0efc54dbaecad3deeb8568786317832dYabin Cui 164b42129797f17f990ea5a88c6bdc7446000cc361cYabin Cuistruct KernelSymbol { 165b42129797f17f990ea5a88c6bdc7446000cc361cYabin Cui uint64_t addr; 166b42129797f17f990ea5a88c6bdc7446000cc361cYabin Cui char type; 167b42129797f17f990ea5a88c6bdc7446000cc361cYabin Cui const char* name; 168b42129797f17f990ea5a88c6bdc7446000cc361cYabin Cui const char* module; // If nullptr, the symbol is not in a kernel module. 169b42129797f17f990ea5a88c6bdc7446000cc361cYabin Cui}; 170b42129797f17f990ea5a88c6bdc7446000cc361cYabin Cui 171b42129797f17f990ea5a88c6bdc7446000cc361cYabin Cuibool ProcessKernelSymbols(std::string& symbol_data, 1723e4c5950f3aafb0bf66544468d98ee3ec26b705cYabin Cui const std::function<bool(const KernelSymbol&)>& callback); 173b42129797f17f990ea5a88c6bdc7446000cc361cYabin Cui 1744f41df6f68efc3b9b534014a8cfb6ee8ac4d5c91Yabin Cuisize_t GetPageSize(); 1754f41df6f68efc3b9b534014a8cfb6ee8ac4d5c91Yabin Cui 1764f41df6f68efc3b9b534014a8cfb6ee8ac4d5c91Yabin Cuiuint64_t ConvertBytesToValue(const char* bytes, uint32_t size); 1774f41df6f68efc3b9b534014a8cfb6ee8ac4d5c91Yabin Cui 1783e4c5950f3aafb0bf66544468d98ee3ec26b705cYabin Cuitimeval SecondToTimeval(double time_in_sec); 1793e4c5950f3aafb0bf66544468d98ee3ec26b705cYabin Cui 180df6333c5f5a34d4b7853c4671a53fcfd9e5a0b88Yabin Cuistd::string GetSimpleperfVersion(); 181df6333c5f5a34d4b7853c4671a53fcfd9e5a0b88Yabin Cui 18267d3abd7b26a741347b33402ad32f5c6735ca0bdYabin Cui#endif // SIMPLE_PERF_UTILS_H_ 183