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