ec39a3f6df
To profile different log buffer types and configuration, this change adds the ability to record log messages and adds a tool that will replay those log messages through different log buffer implementations and collect stats about the execution. Test: log messages replay correctly Change-Id: I0dc6c545b782fa7732e325dde109c496b137d0dd
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
/*
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* Copyright (C) 2020 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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#pragma once
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#include "SimpleLogBuffer.h"
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#include <string>
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#include <tuple>
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#include <vector>
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#include <android-base/unique_fd.h>
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#include "RecordedLogMessage.h"
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class RecordingLogBuffer : public SimpleLogBuffer {
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public:
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RecordingLogBuffer(LogReaderList* reader_list, LogTags* tags, LogStatistics* stats)
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: SimpleLogBuffer(reader_list, tags, stats) {}
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int Log(log_id_t log_id, log_time realtime, uid_t uid, pid_t pid, pid_t tid, const char* msg,
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uint16_t len) override;
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private:
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void RecordLogMessage(log_id_t log_id, log_time realtime, uid_t uid, pid_t pid, pid_t tid,
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const char* msg, uint16_t len);
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std::vector<std::pair<RecordedLogMessage, std::string>> since_boot_messages_;
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android::base::unique_fd fd_;
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};
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