2fa5d41ba3
Summary: as title, make it easy to turn on/off profiling at per thread level. Test Plan: make check Reviewers: sdong, ljin Reviewed By: ljin CC: leveldb Differential Revision: https://reviews.facebook.net/D17469
35 lines
926 B
C++
35 lines
926 B
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#pragma once
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#include "rocksdb/perf_context.h"
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#include "util/stop_watch.h"
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namespace rocksdb {
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extern __thread PerfLevel perf_level;
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inline void StartPerfTimer(StopWatchNano* timer) {
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if (perf_level >= PerfLevel::kEnableTime) {
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timer->Start();
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}
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}
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inline void BumpPerfCount(uint64_t* count, uint64_t delta = 1) {
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if (perf_level >= PerfLevel::kEnableCount) {
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*count += delta;
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}
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}
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inline void BumpPerfTime(uint64_t* time,
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StopWatchNano* timer,
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bool reset = true) {
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if (perf_level >= PerfLevel::kEnableTime) {
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*time += timer->ElapsedNanos(reset);
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}
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}
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}
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