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25 lines
450 B
C
25 lines
450 B
C
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#ifndef STORAGE_LEVELDB_INCLUDE_PERF_CONTEXT_H
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#define STORAGE_LEVELDB_INCLUDE_PERF_CONTEXT_H
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#include <stdint.h>
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namespace leveldb {
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// A thread local context for gathering performance counter efficiently
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// and transparently.
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struct PerfContext {
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void Reset(); // reset all performance counters to zero
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uint64_t user_key_comparison_count; // total number of user key comparisons
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};
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extern __thread PerfContext perf_context;
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}
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#endif
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