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| author | sson <sson@FreeBSD.org> | 2009-05-26 20:28:22 +0000 |
|---|---|---|
| committer | sson <sson@FreeBSD.org> | 2009-05-26 20:28:22 +0000 |
| commit | c0d5996eb6885340017fa87726a787b38dfa689f (patch) | |
| tree | b7873baadff878509f8c7b930ddeeaa84074e546 /sys/sys/mutex.h | |
| parent | 8dd898d24297058d22cfd3efb4da99431e21f707 (diff) | |
| download | FreeBSD-src-c0d5996eb6885340017fa87726a787b38dfa689f.zip FreeBSD-src-c0d5996eb6885340017fa87726a787b38dfa689f.tar.gz | |
Add the OpenSolaris dtrace lockstat provider. The lockstat provider
adds probes for mutexes, reader/writer and shared/exclusive locks to
gather contention statistics and other locking information for
dtrace scripts, the lockstat(1M) command and other potential
consumers.
Reviewed by: attilio jhb jb
Approved by: gnn (mentor)
Diffstat (limited to 'sys/sys/mutex.h')
| -rw-r--r-- | sys/sys/mutex.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/sys/sys/mutex.h b/sys/sys/mutex.h index b069120..40795fc 100644 --- a/sys/sys/mutex.h +++ b/sys/sys/mutex.h @@ -40,6 +40,7 @@ #ifdef _KERNEL #include <sys/pcpu.h> #include <sys/lock_profile.h> +#include <sys/lockstat.h> #include <machine/atomic.h> #include <machine/cpufunc.h> #endif /* _KERNEL_ */ @@ -166,11 +167,11 @@ void _thread_lock_flags(struct thread *, int, const char *, int); #ifndef _get_sleep_lock #define _get_sleep_lock(mp, tid, opts, file, line) do { \ uintptr_t _tid = (uintptr_t)(tid); \ - if (!_obtain_lock((mp), _tid)) { \ + if (!_obtain_lock((mp), _tid)) \ _mtx_lock_sleep((mp), _tid, (opts), (file), (line)); \ - } else \ - lock_profile_obtain_lock_success(&(mp)->lock_object, 0, \ - 0, (file), (line)); \ + else \ + LOCKSTAT_PROFILE_OBTAIN_LOCK_SUCCESS(LS_MTX_LOCK_ACQUIRE, \ + mp, 0, 0, (file), (line)); \ } while (0) #endif @@ -193,8 +194,8 @@ void _thread_lock_flags(struct thread *, int, const char *, int); _mtx_lock_spin((mp), _tid, (opts), (file), (line)); \ } \ } else \ - lock_profile_obtain_lock_success(&(mp)->lock_object, 0, \ - 0, (file), (line)); \ + LOCKSTAT_PROFILE_OBTAIN_LOCK_SUCCESS(LS_MTX_SPIN_LOCK_ACQUIRE, \ + mp, 0, 0, (file), (line)); \ } while (0) #else /* SMP */ #define _get_spin_lock(mp, tid, opts, file, line) do { \ @@ -240,7 +241,8 @@ void _thread_lock_flags(struct thread *, int, const char *, int); if (mtx_recursed((mp))) \ (mp)->mtx_recurse--; \ else { \ - lock_profile_release_lock(&(mp)->lock_object); \ + LOCKSTAT_PROFILE_RELEASE_LOCK(LS_MTX_SPIN_UNLOCK_RELEASE, \ + mp); \ _release_lock_quick((mp)); \ } \ spinlock_exit(); \ |
