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62 lines
2.1 KiB
62 lines
2.1 KiB
// 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/iostats_context.h"
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#if !defined(NIOSTATS_CONTEXT)
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namespace ROCKSDB_NAMESPACE {
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extern thread_local IOStatsContext iostats_context;
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} // namespace ROCKSDB_NAMESPACE
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// increment a specific counter by the specified value
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#define IOSTATS_ADD(metric, value) \
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if (!iostats_context.disable_iostats) { \
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iostats_context.metric += value; \
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}
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// reset a specific counter to zero
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#define IOSTATS_RESET(metric) (iostats_context.metric = 0)
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// reset all counters to zero
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#define IOSTATS_RESET_ALL() (iostats_context.Reset())
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#define IOSTATS_SET_THREAD_POOL_ID(value) \
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(iostats_context.thread_pool_id = value)
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#define IOSTATS_THREAD_POOL_ID() (iostats_context.thread_pool_id)
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#define IOSTATS(metric) (iostats_context.metric)
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// Declare and set start time of the timer
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#define IOSTATS_TIMER_GUARD(metric) \
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PerfStepTimer iostats_step_timer_##metric(&(iostats_context.metric)); \
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iostats_step_timer_##metric.Start();
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// Declare and set start time of the timer
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#define IOSTATS_CPU_TIMER_GUARD(metric, clock) \
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PerfStepTimer iostats_step_timer_##metric( \
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&(iostats_context.metric), clock, true, \
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PerfLevel::kEnableTimeAndCPUTimeExceptForMutex); \
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iostats_step_timer_##metric.Start();
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#define IOSTATS_SET_DISABLE(disable) (iostats_context.disable_iostats = disable)
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#else // !NIOSTATS_CONTEXT
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#define IOSTATS_ADD(metric, value)
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#define IOSTATS_ADD_IF_POSITIVE(metric, value)
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#define IOSTATS_RESET(metric)
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#define IOSTATS_RESET_ALL()
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#define IOSTATS_SET_THREAD_POOL_ID(value)
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#define IOSTATS_THREAD_POOL_ID()
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#define IOSTATS(metric) 0
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#define IOSTATS_SET_DISABLE(disable)
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#define IOSTATS_TIMER_GUARD(metric)
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#define IOSTATS_CPU_TIMER_GUARD(metric, clock) static_cast<void>(clock)
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#endif // !NIOSTATS_CONTEXT
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