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-rw-r--r--storage/innobase/sync/sync0sync.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/storage/innobase/sync/sync0sync.c b/storage/innobase/sync/sync0sync.c
index 672e1f93aad..bf3f4d1ff20 100644
--- a/storage/innobase/sync/sync0sync.c
+++ b/storage/innobase/sync/sync0sync.c
@@ -115,6 +115,7 @@ ulint mutex_system_call_count = 0;
/* Number of spin waits on mutexes: for performance monitoring */
+/* round=one iteration of a spin loop */
ulint mutex_spin_round_count = 0;
ulint mutex_spin_wait_count = 0;
ulint mutex_os_wait_count = 0;