Yabin Cui | 323e945 | 2015-04-20 18:07:17 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef SIMPLE_PERF_ENVIRONMENT_H_ |
| 18 | #define SIMPLE_PERF_ENVIRONMENT_H_ |
| 19 | |
Yabin Cui | 5beebc8 | 2015-05-04 20:27:57 -0700 | [diff] [blame] | 20 | #include <functional> |
Yabin Cui | 323e945 | 2015-04-20 18:07:17 -0700 | [diff] [blame] | 21 | #include <string> |
| 22 | #include <vector> |
Yabin Cui | 568b82a | 2015-05-05 19:58:07 -0700 | [diff] [blame] | 23 | #include "build_id.h" |
Yabin Cui | 323e945 | 2015-04-20 18:07:17 -0700 | [diff] [blame] | 24 | |
| 25 | std::vector<int> GetOnlineCpus(); |
Yabin Cui | ed91cd9 | 2015-04-28 15:54:13 -0700 | [diff] [blame] | 26 | |
Yabin Cui | 5beebc8 | 2015-05-04 20:27:57 -0700 | [diff] [blame] | 27 | static const char* DEFAULT_KERNEL_MMAP_NAME = "[kernel.kallsyms]_text"; |
| 28 | |
| 29 | struct KernelMmap { |
| 30 | std::string name; |
| 31 | uint64_t start_addr; |
| 32 | uint64_t len; |
| 33 | uint64_t pgoff; |
| 34 | }; |
| 35 | |
| 36 | struct ModuleMmap { |
| 37 | std::string name; |
| 38 | uint64_t start_addr; |
| 39 | uint64_t len; |
| 40 | std::string filepath; |
| 41 | }; |
| 42 | |
| 43 | bool GetKernelAndModuleMmaps(KernelMmap* kernel_mmap, std::vector<ModuleMmap>* module_mmaps); |
| 44 | |
| 45 | struct ThreadComm { |
| 46 | pid_t tgid, tid; |
| 47 | std::string comm; |
| 48 | bool is_process; |
| 49 | }; |
| 50 | |
| 51 | bool GetThreadComms(std::vector<ThreadComm>* thread_comms); |
| 52 | |
| 53 | static const char* DEFAULT_EXECNAME_FOR_THREAD_MMAP = "//anon"; |
| 54 | |
| 55 | struct ThreadMmap { |
| 56 | uint64_t start_addr; |
| 57 | uint64_t len; |
| 58 | uint64_t pgoff; |
| 59 | std::string name; |
| 60 | bool executable; |
| 61 | }; |
| 62 | |
| 63 | bool GetThreadMmapsInProcess(pid_t pid, std::vector<ThreadMmap>* thread_mmaps); |
| 64 | |
Yabin Cui | 568b82a | 2015-05-05 19:58:07 -0700 | [diff] [blame] | 65 | static const char* DEFAULT_KERNEL_FILENAME_FOR_BUILD_ID = "[kernel.kallsyms]"; |
| 66 | |
| 67 | bool GetKernelBuildId(BuildId* build_id); |
| 68 | bool GetModuleBuildId(const std::string& module_name, BuildId* build_id); |
| 69 | |
Yabin Cui | ed91cd9 | 2015-04-28 15:54:13 -0700 | [diff] [blame] | 70 | // Expose the following functions for unit tests. |
Yabin Cui | 323e945 | 2015-04-20 18:07:17 -0700 | [diff] [blame] | 71 | std::vector<int> GetOnlineCpusFromString(const std::string& s); |
| 72 | |
Yabin Cui | 5beebc8 | 2015-05-04 20:27:57 -0700 | [diff] [blame] | 73 | struct KernelSymbol { |
| 74 | uint64_t addr; |
| 75 | char type; |
| 76 | const char* name; |
| 77 | const char* module; // If nullptr, the symbol is not in a kernel module. |
| 78 | }; |
| 79 | |
| 80 | bool ProcessKernelSymbols(const std::string& symbol_file, |
| 81 | std::function<bool(const KernelSymbol&)> callback); |
| 82 | |
Yabin Cui | 323e945 | 2015-04-20 18:07:17 -0700 | [diff] [blame] | 83 | #endif // SIMPLE_PERF_ENVIRONMENT_H_ |