diff options
Diffstat (limited to 'sys/kern/kern_lock.c')
| -rw-r--r-- | sys/kern/kern_lock.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/kern/kern_lock.c b/sys/kern/kern_lock.c index 00f1b11..24526b0 100644 --- a/sys/kern/kern_lock.c +++ b/sys/kern/kern_lock.c @@ -28,6 +28,7 @@ #include "opt_adaptive_lockmgrs.h" #include "opt_ddb.h" +#include "opt_hwpmc_hooks.h" #include "opt_kdtrace.h" #include <sys/cdefs.h> @@ -53,6 +54,11 @@ __FBSDID("$FreeBSD$"); #include <ddb/ddb.h> #endif +#ifdef HWPMC_HOOKS +#include <sys/pmckern.h> +PMC_SOFT_DECLARE( , , lock, failed); +#endif + CTASSERT(((LK_ADAPTIVE | LK_NOSHARE) & LO_CLASSFLAGS) == (LK_ADAPTIVE | LK_NOSHARE)); CTASSERT(LK_UNLOCKED == (LK_UNLOCKED & @@ -514,6 +520,9 @@ __lockmgr_args(struct lock *lk, u_int flags, struct lock_object *ilk, break; continue; } +#ifdef HWPMC_HOOKS + PMC_SOFT_CALL( , , lock, failed); +#endif lock_profile_obtain_lock_failed(&lk->lock_object, &contested, &waittime); @@ -744,6 +753,9 @@ __lockmgr_args(struct lock *lk, u_int flags, struct lock_object *ilk, while (!atomic_cmpset_acq_ptr(&lk->lk_lock, LK_UNLOCKED, tid)) { +#ifdef HWPMC_HOOKS + PMC_SOFT_CALL( , , lock, failed); +#endif lock_profile_obtain_lock_failed(&lk->lock_object, &contested, &waittime); @@ -1056,6 +1068,9 @@ __lockmgr_args(struct lock *lk, u_int flags, struct lock_object *ilk, } while (!atomic_cmpset_acq_ptr(&lk->lk_lock, LK_UNLOCKED, tid)) { +#ifdef HWPMC_HOOKS + PMC_SOFT_CALL( , , lock, failed); +#endif lock_profile_obtain_lock_failed(&lk->lock_object, &contested, &waittime); |
