| // 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). |
| |
| #ifndef INCLUDE_ROCKSDB_PERF_LEVEL_H_ |
| #define INCLUDE_ROCKSDB_PERF_LEVEL_H_ |
| |
| #include <stdint.h> |
| #include <string> |
| |
| namespace rocksdb { |
| |
| // 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 |
| kEnableTime = 4, // enable count and time stats |
| kOutOfBounds = 5 // 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 |
| |
| #endif // INCLUDE_ROCKSDB_PERF_LEVEL_H_ |