Author: markj
Date: Mon Aug 7 17:28:35 2017
New Revision: 322173
URL: https://svnweb.freebsd.org/changeset/base/322173
Log:
MFC r321744:
Correct the predicates on which lockstat:::{thread,spin}-spin fire.
Modified:
stable/11/sys/kern/kern_mutex.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/kern/kern_mutex.c
==============================================================================
--- stable/11/sys/kern/kern_mutex.c Mon Aug 7 17:23:44 2017
(r322172)
+++ stable/11/sys/kern/kern_mutex.c Mon Aug 7 17:28:35 2017
(r322173)
@@ -766,7 +766,7 @@ _mtx_lock_spin_cookie(volatile uintptr_t *c, uintptr_t
LOCKSTAT_PROFILE_OBTAIN_LOCK_SUCCESS(spin__acquire, m,
contested, waittime, file, line);
#ifdef KDTRACE_HOOKS
- if (spin_time != 0)
+ if (lda.spin_cnt != 0)
LOCKSTAT_RECORD1(spin__spin, m, spin_time);
#endif
}
@@ -879,7 +879,7 @@ retry:
LOCKSTAT_PROFILE_OBTAIN_LOCK_SUCCESS(spin__acquire, m,
contested, waittime, file, line);
#ifdef KDTRACE_HOOKS
- if (spin_time != 0)
+ if (lda.spin_cnt != 0)
LOCKSTAT_RECORD1(thread__spin, m, spin_time);
#endif
}
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