/*
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**
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** Copyright 2018, 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 SYSTEM_EXTRAS_PERFPROFD_PERFPROFD_PERF_H_
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#define SYSTEM_EXTRAS_PERFPROFD_PERFPROFD_PERF_H_
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#include <string>
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#include <unordered_set>
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struct Config;
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namespace android {
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namespace perfprofd {
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enum PerfResult {
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kOK,
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kForkFailed,
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kRecordFailed,
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kUnsupportedEvent,
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};
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//
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// Invoke "perf record". Return value is PerfResult::kOK for
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// success, or some other error code if something went wrong.
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//
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PerfResult InvokePerf(Config& config,
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const std::string &perf_path,
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const char *stack_profile_opt,
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unsigned duration,
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const std::string &data_file_path,
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const std::string &perf_stderr_path);
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// Prepare the internal list of supported perf counters.
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bool FindSupportedPerfCounters(const std::string& perf_path);
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// Get the list of supported perf counters.
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const std::unordered_set<std::string>& GetSupportedPerfCounters();
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} // namespace perfprofd
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} // namespace android
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#endif // SYSTEM_EXTRAS_PERFPROFD_PERFPROFD_PERF_H_
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