| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SIMPLE_PERF_ENVIRONMENT_H_ |
| #define SIMPLE_PERF_ENVIRONMENT_H_ |
| |
| #include <sys/types.h> |
| #include <time.h> |
| |
| #if defined(__linux__) |
| #include <sys/syscall.h> |
| #include <unistd.h> |
| #endif |
| |
| #include <functional> |
| #include <set> |
| #include <string> |
| #include <vector> |
| |
| #include "build_id.h" |
| #include "perf_regs.h" |
| |
| std::vector<int> GetOnlineCpus(); |
| std::vector<int> GetCpusFromString(const std::string& s); |
| |
| struct KernelMmap { |
| std::string name; |
| uint64_t start_addr; |
| uint64_t len; |
| std::string filepath; |
| }; |
| |
| void GetKernelAndModuleMmaps(KernelMmap* kernel_mmap, std::vector<KernelMmap>* module_mmaps); |
| |
| struct ThreadMmap { |
| uint64_t start_addr; |
| uint64_t len; |
| uint64_t pgoff; |
| std::string name; |
| bool executable; |
| }; |
| |
| bool GetThreadMmapsInProcess(pid_t pid, std::vector<ThreadMmap>* thread_mmaps); |
| |
| constexpr char DEFAULT_KERNEL_FILENAME_FOR_BUILD_ID[] = "[kernel.kallsyms]"; |
| |
| bool GetKernelBuildId(BuildId* build_id); |
| bool GetModuleBuildId(const std::string& module_name, BuildId* build_id); |
| |
| bool IsThreadAlive(pid_t tid); |
| std::vector<pid_t> GetAllProcesses(); |
| std::vector<pid_t> GetThreadsInProcess(pid_t pid); |
| bool GetProcessForThread(pid_t tid, pid_t* pid); |
| bool GetThreadName(pid_t tid, std::string* name); |
| |
| bool GetValidThreadsFromThreadString(const std::string& tid_str, std::set<pid_t>* tid_set); |
| |
| bool CheckPerfEventLimit(); |
| bool GetMaxSampleFrequency(uint64_t* max_sample_freq); |
| bool CheckKernelSymbolAddresses(); |
| bool CanRecordRawData(); |
| |
| #if defined(__linux__) |
| static inline uint64_t GetSystemClock() { |
| timespec ts; |
| // Assume clock_gettime() doesn't fail. |
| clock_gettime(CLOCK_MONOTONIC, &ts); |
| return ts.tv_sec * 1000000000ULL + ts.tv_nsec; |
| } |
| |
| #if !defined(__ANDROID__) |
| static inline int gettid() { |
| return syscall(__NR_gettid); |
| } |
| #endif |
| #endif |
| |
| ArchType GetMachineArch(); |
| void PrepareVdsoFile(); |
| |
| std::set<pid_t> WaitForAppProcesses(const std::string& package_name); |
| bool RunInAppContext(const std::string& app_package_name, const std::string& cmd, |
| const std::vector<std::string>& args, size_t workload_args_size, |
| const std::string& output_filepath, bool need_tracepoint_events); |
| |
| // Below two functions are only used in cts tests, to force stat/record cmd to run in app's context. |
| void SetDefaultAppPackageName(const std::string& package_name); |
| const std::string& GetDefaultAppPackageName(); |
| |
| #endif // SIMPLE_PERF_ENVIRONMENT_H_ |