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55 lines
1.8 KiB
55 lines
1.8 KiB
/* |
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* Copyright (C) 2017 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_INPLACE_SAMPLER_CLIENT_H_ |
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#define SIMPLE_PERF_INPLACE_SAMPLER_CLIENT_H_ |
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#include <memory> |
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#include <set> |
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#include <vector> |
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#include "event_attr.h" |
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#include "record.h" |
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#include "UnixSocket.h" |
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class InplaceSamplerClient { |
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public: |
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static std::unique_ptr<InplaceSamplerClient> Create(const perf_event_attr& attr, pid_t pid, |
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const std::set<pid_t>& tids); |
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uint64_t Id() const; |
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bool IsClosed() { |
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return conn_->IsClosed(); |
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} |
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bool StartPolling(IOEventLoop& loop, const std::function<bool(Record*)>& record_callback, |
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const std::function<bool()>& close_callback); |
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bool StopProfiling(IOEventLoop& loop, const std::function<bool()>& close_callback); |
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private: |
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InplaceSamplerClient(const perf_event_attr& attr, pid_t pid, const std::set<pid_t>& tids); |
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bool ConnectServer(); |
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bool SendStartProfilingMessage(); |
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bool HandleMessage(const UnixSocketMessage& msg); |
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const perf_event_attr attr_; |
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const pid_t pid_; |
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const std::set<pid_t> tids_; |
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uint32_t sample_freq_; |
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std::unique_ptr<UnixSocketConnection> conn_; |
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std::function<bool(Record*)> record_callback_; |
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bool got_start_profiling_reply_msg_; |
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}; |
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#endif // SIMPLE_PERF_INPLACE_SAMPLER_CLIENT_H_
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