diff options
Diffstat (limited to 'sys/kern/kern_sx.c')
| -rw-r--r-- | sys/kern/kern_sx.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/kern/kern_sx.c b/sys/kern/kern_sx.c index 9cb9995..bcd7acd 100644 --- a/sys/kern/kern_sx.c +++ b/sys/kern/kern_sx.c @@ -37,6 +37,7 @@ */ #include "opt_ddb.h" +#include "opt_hwpmc_hooks.h" #include "opt_kdtrace.h" #include "opt_no_adaptive_sx.h" @@ -67,6 +68,11 @@ __FBSDID("$FreeBSD$"); CTASSERT((SX_NOADAPTIVE & LO_CLASSFLAGS) == SX_NOADAPTIVE); +#ifdef HWPMC_HOOKS +#include <sys/pmckern.h> +PMC_SOFT_DECLARE( , , lock, failed); +#endif + /* Handy macros for sleep queues. */ #define SQ_EXCLUSIVE_QUEUE 0 #define SQ_SHARED_QUEUE 1 @@ -524,6 +530,9 @@ _sx_xlock_hard(struct sx *sx, uintptr_t tid, int opts, const char *file, #ifdef KDTRACE_HOOKS spin_cnt++; #endif +#ifdef HWPMC_HOOKS + PMC_SOFT_CALL( , , lock, failed); +#endif lock_profile_obtain_lock_failed(&sx->lock_object, &contested, &waittime); #ifdef ADAPTIVE_SX @@ -811,6 +820,9 @@ _sx_slock_hard(struct sx *sx, int opts, const char *file, int line) } continue; } +#ifdef HWPMC_HOOKS + PMC_SOFT_CALL( , , lock, failed); +#endif lock_profile_obtain_lock_failed(&sx->lock_object, &contested, &waittime); |
