mirror of https://github.com/facebook/rocksdb.git
55 lines
1.8 KiB
C
55 lines
1.8 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/iostats_context.h"
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#ifdef ROCKSDB_SUPPORT_THREAD_LOCAL
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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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(get_iostats_context()->metric += value)
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// Increase metric value only when it is positive
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#define IOSTATS_ADD_IF_POSITIVE(metric, value) \
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if (value > 0) { IOSTATS_ADD(metric, value); }
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// reset a specific counter to zero
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#define IOSTATS_RESET(metric) \
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(get_iostats_context()->metric = 0)
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// reset all counters to zero
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#define IOSTATS_RESET_ALL() \
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(get_iostats_context()->Reset())
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#define IOSTATS_SET_THREAD_POOL_ID(value) \
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(get_iostats_context()->thread_pool_id = value)
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#define IOSTATS_THREAD_POOL_ID() \
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(get_iostats_context()->thread_pool_id)
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#define IOSTATS(metric) \
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(get_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(&(get_iostats_context()->metric)); \
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iostats_step_timer_##metric.Start();
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#else // ROCKSDB_SUPPORT_THREAD_LOCAL
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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_TIMER_GUARD(metric)
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#endif // ROCKSDB_SUPPORT_THREAD_LOCAL
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