2 * Copyright (C) 2015 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #ifndef SIMPLE_PERF_ENVIRONMENT_H_
18 #define SIMPLE_PERF_ENVIRONMENT_H_
26 std::vector<int> GetOnlineCpus();
28 static const char* DEFAULT_KERNEL_MMAP_NAME = "[kernel.kallsyms]_text";
44 bool GetKernelAndModuleMmaps(KernelMmap* kernel_mmap, std::vector<ModuleMmap>* module_mmaps);
52 bool GetThreadComms(std::vector<ThreadComm>* thread_comms);
54 static const char* DEFAULT_EXECNAME_FOR_THREAD_MMAP = "//anon";
64 bool GetThreadMmapsInProcess(pid_t pid, std::vector<ThreadMmap>* thread_mmaps);
66 static const char* DEFAULT_KERNEL_FILENAME_FOR_BUILD_ID = "[kernel.kallsyms]";
68 bool GetKernelBuildId(BuildId* build_id);
69 bool GetModuleBuildId(const std::string& module_name, BuildId* build_id);
71 // Expose the following functions for unit tests.
72 std::vector<int> GetOnlineCpusFromString(const std::string& s);
78 const char* module; // If nullptr, the symbol is not in a kernel module.
81 bool ProcessKernelSymbols(const std::string& symbol_file,
82 std::function<bool(const KernelSymbol&)> callback);
84 #endif // SIMPLE_PERF_ENVIRONMENT_H_