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| author | markj <markj@FreeBSD.org> | 2016-05-18 03:23:07 +0000 |
|---|---|---|
| committer | markj <markj@FreeBSD.org> | 2016-05-18 03:23:07 +0000 |
| commit | 706498b4268e18024844553c7a70e58e1cf9da63 (patch) | |
| tree | d07c7dd364d91b0e858e5af15aedbf10c83865be /sys/kern | |
| parent | 39c9d57c9c9787223ee9f7d5f5833461b1ac970d (diff) | |
| download | FreeBSD-src-706498b4268e18024844553c7a70e58e1cf9da63.zip FreeBSD-src-706498b4268e18024844553c7a70e58e1cf9da63.tar.gz | |
Guard the lockstat:::thread-spin probe with KDTRACE_HOOKS.
X-MFC-With: r300103
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_mutex.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/kern_mutex.c b/sys/kern/kern_mutex.c index 187d96b..d9e5872 100644 --- a/sys/kern/kern_mutex.c +++ b/sys/kern/kern_mutex.c @@ -714,8 +714,10 @@ retry: LOCK_LOG_LOCK("LOCK", &m->lock_object, opts, m->mtx_recurse, file, line); WITNESS_LOCK(&m->lock_object, opts | LOP_EXCLUSIVE, file, line); +#ifdef KDTRACE_HOOKS if (spin_time != 0) LOCKSTAT_RECORD1(thread__spin, m, spin_time); +#endif } struct mtx * |
