diff options
Diffstat (limited to 'sys/kern/kern_mutex.c')
| -rw-r--r-- | sys/kern/kern_mutex.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/kern/kern_mutex.c b/sys/kern/kern_mutex.c index bfb6547..f718ca0 100644 --- a/sys/kern/kern_mutex.c +++ b/sys/kern/kern_mutex.c @@ -39,6 +39,7 @@ __FBSDID("$FreeBSD$"); #include "opt_adaptive_mutexes.h" #include "opt_ddb.h" #include "opt_global.h" +#include "opt_hwpmc_hooks.h" #include "opt_kdtrace.h" #include "opt_sched.h" @@ -76,6 +77,11 @@ __FBSDID("$FreeBSD$"); #define ADAPTIVE_MUTEXES #endif +#ifdef HWPMC_HOOKS +#include <sys/pmckern.h> +PMC_SOFT_DEFINE( , , lock, failed); +#endif + /* * Internal utility macros. */ @@ -364,6 +370,9 @@ _mtx_lock_sleep(struct mtx *m, uintptr_t tid, int opts, const char *file, return; } +#ifdef HWPMC_HOOKS + PMC_SOFT_CALL( , , lock, failed); +#endif lock_profile_obtain_lock_failed(&m->lock_object, &contested, &waittime); if (LOCK_LOG_TEST(&m->lock_object, opts)) @@ -529,6 +538,9 @@ _mtx_lock_spin(struct mtx *m, uintptr_t tid, int opts, const char *file, if (LOCK_LOG_TEST(&m->lock_object, opts)) CTR1(KTR_LOCK, "_mtx_lock_spin: %p spinning", m); +#ifdef HWPMC_HOOKS + PMC_SOFT_CALL( , , lock, failed); +#endif lock_profile_obtain_lock_failed(&m->lock_object, &contested, &waittime); while (!_mtx_obtain_lock(m, tid)) { @@ -600,6 +612,9 @@ retry: m->mtx_recurse++; break; } +#ifdef HWPMC_HOOKS + PMC_SOFT_CALL( , , lock, failed); +#endif lock_profile_obtain_lock_failed(&m->lock_object, &contested, &waittime); /* Give interrupts a chance while we spin. */ |
