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/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SRC_TRACE_PROCESSOR_SLICE_TRACKER_H_
#define SRC_TRACE_PROCESSOR_SLICE_TRACKER_H_
#include <stdint.h>
#include "src/trace_processor/trace_storage.h"
namespace perfetto {
namespace trace_processor {
class TraceProcessorContext;
class SliceTracker {
public:
explicit SliceTracker(TraceProcessorContext*);
virtual ~SliceTracker();
void BeginAndroid(int64_t timestamp,
uint32_t ftrace_tid,
uint32_t atrace_tgid,
StringId cat,
StringId name);
// virtual for testing
virtual void Begin(int64_t timestamp,
UniqueTid utid,
StringId cat,
StringId name);
// virtual for testing
virtual void Scoped(int64_t timestamp,
UniqueTid utid,
StringId cat,
StringId name,
int64_t duration);
void EndAndroid(int64_t timestamp, uint32_t ftrace_tid, uint32_t atrace_tgid);
// virtual for testing
virtual void End(int64_t timestamp,
UniqueTid utid,
StringId opt_cat = {},
StringId opt_name = {});
private:
using SlicesStack = std::vector<size_t>;
void StartSlice(int64_t timestamp,
int64_t duration,
UniqueTid utid,
StringId cat,
StringId name);
void CompleteSlice(UniqueTid tid);
void MaybeCloseStack(int64_t end_ts, SlicesStack*);
int64_t GetStackHash(const SlicesStack&);
TraceProcessorContext* const context_;
std::unordered_map<UniqueTid, SlicesStack> threads_;
std::unordered_map<uint32_t, uint32_t> ftrace_to_atrace_tgid_;
};
} // namespace trace_processor
} // namespace perfetto
#endif // SRC_TRACE_PROCESSOR_SLICE_TRACKER_H_
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