0babce57f7
Summary: char is not signed in some platforms. Having negative values confuse those compilers. Test Plan: Run all existing tests. Reviewers: andrewkr, IslamAbdelRahman Reviewed By: IslamAbdelRahman Subscribers: leveldb, andrewkr, dhruba Differential Revision: https://reviews.facebook.net/D59619
35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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#ifndef INCLUDE_ROCKSDB_PERF_LEVEL_H_
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#define INCLUDE_ROCKSDB_PERF_LEVEL_H_
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#include <stdint.h>
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#include <string>
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namespace rocksdb {
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// How much perf stats to collect. Affects perf_context and iostats_context.
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enum PerfLevel : unsigned char {
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kUninitialized = 0, // unknown setting
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kDisable = 1, // disable perf stats
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kEnableCount = 2, // enable only count stats
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kEnableTimeExceptForMutex = 3, // Other than count stats, also enable time
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// stats except for mutexes
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kEnableTime = 4, // enable count and time stats
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kOutOfBounds = 5 // N.B. Must always be the last value!
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};
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// set the perf stats level for current thread
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void SetPerfLevel(PerfLevel level);
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// get current perf stats level for current thread
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PerfLevel GetPerfLevel();
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} // namespace rocksdb
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#endif // INCLUDE_ROCKSDB_PERF_LEVEL_H_
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