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c319792059
Summary:
After 7f6c02dda1, the same get_perf_context() is called both of internally and externally. However, I found internally this is not got inlined. I don't know why this is the case, but directly referencing perf_context is the logical way to do.
Closes https://github.com/facebook/rocksdb/pull/2892
Differential Revision: D5843789
Pulled By: siying
fbshipit-source-id: b49777d8809f35847699291bb7f8ea2754c3af49
53 lines
1.7 KiB
C++
53 lines
1.7 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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namespace rocksdb {
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extern __thread IOStatsContext iostats_context;
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} // namespace rocksdb
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// increment a specific counter by the specified value
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#define IOSTATS_ADD(metric, value) (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) (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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#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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