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macros for perf_context

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Summary: This will allow us to disable them completely for iOS or for better performance

Test Plan: will run make all check

Reviewers: igor, haobo, dhruba

Reviewed By: haobo

CC: leveldb

Differential Revision: https://reviews.facebook.net/D17511
This commit is contained in:
Lei Jin
2014-04-08 10:58:07 -07:00
parent 5abae2c8ed
commit 92c1eb0291
11 changed files with 139 additions and 105 deletions
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2
table/block_based_table_reader.cc
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@@ -107,7 +107,7 @@ Cache::Handle* GetEntryFromCache(Cache* block_cache, const Slice& key,
Statistics* statistics) {
auto cache_handle = block_cache->Lookup(key);
if (cache_handle != nullptr) {
BumpPerfCount(&perf_context.block_cache_hit_count);
PERF_COUNTER_ADD(block_cache_hit_count, 1);
// overall cache hit
RecordTick(statistics, BLOCK_CACHE_HIT);
// block-type specific cache hit