mirror of https://github.com/facebook/rocksdb.git
97 lines
3.8 KiB
C++
97 lines
3.8 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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#pragma once
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#include "monitoring/perf_step_timer.h"
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#include "rocksdb/perf_context.h"
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#include "util/stop_watch.h"
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namespace ROCKSDB_NAMESPACE {
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#if defined(NPERF_CONTEXT)
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extern PerfContext perf_context;
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#else
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#if defined(OS_SOLARIS)
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extern thread_local PerfContext perf_context_;
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#define perf_context (*get_perf_context())
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#else
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extern thread_local PerfContext perf_context;
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#endif
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#endif
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#if defined(NPERF_CONTEXT)
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#define PERF_TIMER_STOP(metric)
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#define PERF_TIMER_START(metric)
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#define PERF_TIMER_GUARD(metric)
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#define PERF_TIMER_GUARD_WITH_CLOCK(metric, clock)
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#define PERF_CPU_TIMER_GUARD(metric, clock)
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#define PERF_CONDITIONAL_TIMER_FOR_MUTEX_GUARD(metric, condition, stats, \
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ticker_type)
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#define PERF_TIMER_MEASURE(metric)
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#define PERF_COUNTER_ADD(metric, value)
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#define PERF_COUNTER_BY_LEVEL_ADD(metric, value, level)
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#else
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// Stop the timer and update the metric
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#define PERF_TIMER_STOP(metric) perf_step_timer_##metric.Stop();
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#define PERF_TIMER_START(metric) perf_step_timer_##metric.Start();
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// Declare and set start time of the timer
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#define PERF_TIMER_GUARD(metric) \
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PerfStepTimer perf_step_timer_##metric(&(perf_context.metric)); \
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perf_step_timer_##metric.Start();
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// Declare and set start time of the timer
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#define PERF_TIMER_GUARD_WITH_CLOCK(metric, clock) \
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PerfStepTimer perf_step_timer_##metric(&(perf_context.metric), clock); \
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perf_step_timer_##metric.Start();
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// Declare and set start time of the timer
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#define PERF_CPU_TIMER_GUARD(metric, clock) \
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PerfStepTimer perf_step_timer_##metric( \
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&(perf_context.metric), clock, true, \
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PerfLevel::kEnableTimeAndCPUTimeExceptForMutex); \
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perf_step_timer_##metric.Start();
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#define PERF_CONDITIONAL_TIMER_FOR_MUTEX_GUARD(metric, condition, stats, \
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ticker_type) \
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PerfStepTimer perf_step_timer_##metric(&(perf_context.metric), nullptr, \
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false, PerfLevel::kEnableTime, stats, \
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ticker_type); \
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if (condition) { \
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perf_step_timer_##metric.Start(); \
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}
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// Update metric with time elapsed since last START. start time is reset
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// to current timestamp.
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#define PERF_TIMER_MEASURE(metric) perf_step_timer_##metric.Measure();
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// Increase metric value
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#define PERF_COUNTER_ADD(metric, value) \
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if (perf_level >= PerfLevel::kEnableCount) { \
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perf_context.metric += value; \
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}
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// Increase metric value
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#define PERF_COUNTER_BY_LEVEL_ADD(metric, value, level) \
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if (perf_level >= PerfLevel::kEnableCount && \
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perf_context.per_level_perf_context_enabled && \
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perf_context.level_to_perf_context) { \
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if ((*(perf_context.level_to_perf_context)).find(level) != \
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(*(perf_context.level_to_perf_context)).end()) { \
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(*(perf_context.level_to_perf_context))[level].metric += value; \
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} else { \
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PerfContextByLevel empty_context; \
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(*(perf_context.level_to_perf_context))[level] = empty_context; \
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(*(perf_context.level_to_perf_context))[level].metric += value; \
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} \
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}
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#endif
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} // namespace ROCKSDB_NAMESPACE
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