84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/*
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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_LIB_H_
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#define SIMPLE_PERF_INPLACE_SAMPLER_LIB_H_
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enum InplaceSamplerMessageType {
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START_PROFILING,
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START_PROFILING_REPLY,
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THREAD_INFO,
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MAP_INFO,
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SAMPLE_INFO,
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END_PROFILING,
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END_PROFILING_REPLY,
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};
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// Type: START_PROFILING
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// Direction: simpleperf to inplace_sampler
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// Data:
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// char options[]; // ended by '\0'
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//
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// options[] contains space separated options like below:
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// freq=4000 # sample at 4000/s.
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// signal=14 # use signal 14 to raise sample recording.
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// tids=1432,1433 # take samples of thread 1432,1433.
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// Type: START_PROFILING_REPLY
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// Direction: inplace_sampler to simpleperf
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// Data:
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// char reply[]; // ended by '\0'
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// reply[] contains a string, which is either 'ok' or 'error'
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// Type: THREAD_INFO
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// Direction: inplace_sampler to simpleperf
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// Data:
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// uint64_t time;
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// uint32_t tid;
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// char thread_name[]; // ended by '\0'
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// Type: MAP_INFO
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// Direction: inplace_sampler to simpleperf
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// Data:
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// uint64_t time;
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// uint64_t start;
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// uint64_t len;
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// uint64_t pgoff;
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// char[] dso; // ended by '\0'
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// Type: SAMPLE_INFO
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// Direction: inplace_sampler to simpleperf
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// Data:
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// uint64_t time;
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// uint32_t tid;
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// uint32_t period;
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// uint32_t ip_nr;
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// uint64_t ip[ip_nr];
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// Type: END_PROFILING
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// Direction: simpleperf to inplace_sampler
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// Data:
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// None.
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// Type: END_PROFILING_REPLY
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// Direction: inplace_sampler to simpleperf
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// Data:
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// uint64_t used_cpu_time;
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// uint64_t lost_samples;
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#endif // SIMPLE_PERF_INPLACE_SAMPLER_LIB_H_
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