Revision 48fd619a47c17d044aa9d36adab55659fcac1985 authored by Adam Retter on 20 October 2016, 01:21:22 UTC, committed by Yueh-Hsuan Chiang on 20 October 2016, 01:21:22 UTC
* [bugfix] Make sure the Native Library is initialized. Closes https://github.com/facebook/rocksdb/issues/989 * [bugfix] Just load the native libraries once
1 parent 48e4e84
perf_context_imp.h
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//
#pragma once
#include "rocksdb/perf_context.h"
#include "util/perf_step_timer.h"
#include "util/stop_watch.h"
namespace rocksdb {
#if defined(NPERF_CONTEXT) || defined(IOS_CROSS_COMPILE)
#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) \
PerfStepTimer perf_step_timer_##metric(&(perf_context.metric), true); \
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) \
perf_context.metric += value;
#endif
}
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