1 files changed, 35 insertions, 0 deletions
diff --git a/src/rocksdb/include/rocksdb/perf_level.h b/src/rocksdb/include/rocksdb/perf_level.h
new file mode 100644
index 000000000..e6a768904
--- /dev/null
+++ b/src/rocksdb/include/rocksdb/perf_level.h
@@ -0,0 +1,35 @@
+// 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