/*
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* Copyright (C) 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 SRC_TRACE_PROCESSOR_SLICE_TRACKER_H_
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#define SRC_TRACE_PROCESSOR_SLICE_TRACKER_H_
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#include <stdint.h>
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#include "src/trace_processor/trace_storage.h"
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namespace perfetto {
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namespace trace_processor {
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class TraceProcessorContext;
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class SliceTracker {
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public:
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explicit SliceTracker(TraceProcessorContext*);
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virtual ~SliceTracker();
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void BeginAndroid(int64_t timestamp,
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uint32_t ftrace_tid,
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uint32_t atrace_tgid,
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StringId cat,
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StringId name);
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// virtual for testing
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virtual void Begin(int64_t timestamp,
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UniqueTid utid,
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StringId cat,
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StringId name);
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// virtual for testing
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virtual void Scoped(int64_t timestamp,
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UniqueTid utid,
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StringId cat,
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StringId name,
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int64_t duration);
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void EndAndroid(int64_t timestamp, uint32_t ftrace_tid, uint32_t atrace_tgid);
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// virtual for testing
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virtual void End(int64_t timestamp,
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UniqueTid utid,
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StringId opt_cat = {},
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StringId opt_name = {});
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private:
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using SlicesStack = std::vector<size_t>;
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void StartSlice(int64_t timestamp,
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int64_t duration,
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UniqueTid utid,
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StringId cat,
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StringId name);
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void CompleteSlice(UniqueTid tid);
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void MaybeCloseStack(int64_t end_ts, SlicesStack*);
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int64_t GetStackHash(const SlicesStack&);
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TraceProcessorContext* const context_;
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std::unordered_map<UniqueTid, SlicesStack> threads_;
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std::unordered_map<uint32_t, uint32_t> ftrace_to_atrace_tgid_;
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};
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} // namespace trace_processor
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} // namespace perfetto
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#endif // SRC_TRACE_PROCESSOR_SLICE_TRACKER_H_
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