fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
25 lines
450 B
25 lines
450 B
11 years ago
|
#ifndef STORAGE_LEVELDB_INCLUDE_PERF_CONTEXT_H
|
||
|
|
#define STORAGE_LEVELDB_INCLUDE_PERF_CONTEXT_H
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
namespace leveldb {
|
||
|
|
|
||
|
|
// A thread local context for gathering performance counter efficiently
|
||
|
|
// and transparently.
|
||
|
|
|
||
|
|
struct PerfContext {
|
||
|
|
|
||
|
|
void Reset(); // reset all performance counters to zero
|
||
|
|
|
||
|
|
|
||
|
|
uint64_t user_key_comparison_count; // total number of user key comparisons
|
||
|
|
};
|
||
|
|
|
||
|
|
extern __thread PerfContext perf_context;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|