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// 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 <stdint.h>
#include <string>
#include "rocksdb/rocksdb_namespace.h"
namespace ROCKSDB_NAMESPACE {
// How much perf stats to collect. Affects perf_context and iostats_context.
enum PerfLevel : unsigned char {
kUninitialized = 0, // unknown setting
kDisable = 1, // disable perf stats
kEnableCount = 2, // enable only count stats
kEnableTimeExceptForMutex = 3, // Other than count stats, also enable time
// stats except for mutexes
// Other than time, also measure CPU time counters. Still don't measure
// time (neither wall time nor CPU time) for mutexes.
kEnableTimeAndCPUTimeExceptForMutex = 4,
kEnableTime = 5, // enable count and time stats
kOutOfBounds = 6 // N.B. Must always be the last value!
};
// set the perf stats level for current thread
void SetPerfLevel(PerfLevel level);
// get current perf stats level for current thread
PerfLevel GetPerfLevel();
} // namespace ROCKSDB_NAMESPACE
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