Packages

rocksdb

0.23.3
3.1.2 3.1.1 3.1.0 3.0.0 2.6.2 2.6.1 retired 2.6.0 retired 2.5.0 2.4.1 2.4.0 2.3.0 2.2.0 2.1.0 2.0.0 1.9.0 1.8.0 1.7.0 1.6.0 1.5.1 1.5.0 1.4.0 1.3.2 1.3.1 1.3.0 1.2.0 1.1.1 1.1.0 1.0.0 0.26.2 0.26.1 0.26.0 0.25.0 0.24.0 0.23.3 0.23.2 0.23.1 0.23.0 0.22.0 0.21.0 0.20.1 0.20.0 0.19.0 0.18.0 0.17.0 0.16.0 0.15.0 0.14.0 0.13.1 0.13.0 0.12.0 0.11.0 0.10.0 0.9.1 0.9.0 0.8.2 0.8.1 0.8.0 0.7.1 0.7.0 0.6.4 0.6.3 0.6.2 0.6.1 0.6.0

RocksDB for Erlang

HexDocs

Current section

Files

Jump to
Readme
64 Versions
0 Dependencies
Dependants
Files
Activity
rocksdb deps rocksdb monitoring perf_context_imp.h
Raw

deps/rocksdb/monitoring/perf_context_imp.h 

//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.

//  This source code is licensed under both the GPLv2 (found in the

//  COPYING file in the root directory) and Apache 2.0 License

//  (found in the LICENSE.Apache file in the root directory).

//

#pragma once

#include "monitoring/perf_step_timer.h"

#include "rocksdb/perf_context.h"

#include "util/stop_watch.h"



namespace rocksdb {

#if defined(NPERF_CONTEXT) || !defined(ROCKSDB_SUPPORT_THREAD_LOCAL)

extern PerfContext perf_context;

#else

#if defined(OS_SOLARIS)

extern __thread PerfContext perf_context_;

#define perf_context (*get_perf_context())

#else

extern __thread PerfContext perf_context;

#endif

#endif



#if defined(NPERF_CONTEXT)



#define PERF_TIMER_GUARD(metric)

#define PERF_CONDITIONAL_TIMER_FOR_MUTEX_GUARD(metric, condition)

#define PERF_TIMER_MEASURE(metric)

#define PERF_TIMER_STOP(metric)

#define PERF_TIMER_START(metric)

#define PERF_COUNTER_ADD(metric, value)



#else



// Stop the timer and update the metric

#define PERF_TIMER_STOP(metric) perf_step_timer_##metric.Stop();



#define PERF_TIMER_START(metric) perf_step_timer_##metric.Start();



// Declare and set start time of the timer

#define PERF_TIMER_GUARD(metric)                                  \

  PerfStepTimer perf_step_timer_##metric(&(perf_context.metric)); \

  perf_step_timer_##metric.Start();



#define PERF_CONDITIONAL_TIMER_FOR_MUTEX_GUARD(metric, condition, stats,      \

                                               ticker_type)                   \

  PerfStepTimer perf_step_timer_##metric(&(perf_context.metric), true, stats, \

                                         ticker_type);                        \

  if (condition) {                                                            \

    perf_step_timer_##metric.Start();                                         \

  }



// Update metric with time elapsed since last START. start time is reset

// to current timestamp.

#define PERF_TIMER_MEASURE(metric) perf_step_timer_##metric.Measure();



// Increase metric value

#define PERF_COUNTER_ADD(metric, value)        \

  if (perf_level >= PerfLevel::kEnableCount) { \

    perf_context.metric += value;              \

  }



#endif



}