svn commit: r303584 - head/sys/kern
Mateusz Guzik
mjg at FreeBSD.org
Sun Jul 31 12:11:56 UTC 2016
Author: mjg
Date: Sun Jul 31 12:11:55 2016
New Revision: 303584
URL: https://svnweb.freebsd.org/changeset/base/303584
Log:
locks: change sleep_cnt and spin_cnt types to u_int
Both variables are uint64_t, but they only count spins or sleeps.
All reasonable values which we can get here comfortably hit in 32-bit range.
Suggested by: kib
MFC after: 1 week
Modified:
head/sys/kern/kern_mutex.c
head/sys/kern/kern_rwlock.c
head/sys/kern/kern_sx.c
Modified: head/sys/kern/kern_mutex.c
==============================================================================
--- head/sys/kern/kern_mutex.c Sun Jul 31 11:34:08 2016 (r303583)
+++ head/sys/kern/kern_mutex.c Sun Jul 31 12:11:55 2016 (r303584)
@@ -409,8 +409,8 @@ __mtx_lock_sleep(volatile uintptr_t *c,
uint64_t waittime = 0;
#endif
#ifdef KDTRACE_HOOKS
- uint64_t spin_cnt = 0;
- uint64_t sleep_cnt = 0;
+ u_int spin_cnt = 0;
+ u_int sleep_cnt = 0;
int64_t sleep_time = 0;
int64_t all_time = 0;
#endif
Modified: head/sys/kern/kern_rwlock.c
==============================================================================
--- head/sys/kern/kern_rwlock.c Sun Jul 31 11:34:08 2016 (r303583)
+++ head/sys/kern/kern_rwlock.c Sun Jul 31 12:11:55 2016 (r303584)
@@ -357,8 +357,8 @@ __rw_rlock(volatile uintptr_t *c, const
uintptr_t v;
#ifdef KDTRACE_HOOKS
uintptr_t state;
- uint64_t spin_cnt = 0;
- uint64_t sleep_cnt = 0;
+ u_int spin_cnt = 0;
+ u_int sleep_cnt = 0;
int64_t sleep_time = 0;
int64_t all_time = 0;
#endif
@@ -742,8 +742,8 @@ __rw_wlock_hard(volatile uintptr_t *c, u
#endif
#ifdef KDTRACE_HOOKS
uintptr_t state;
- uint64_t spin_cnt = 0;
- uint64_t sleep_cnt = 0;
+ u_int spin_cnt = 0;
+ u_int sleep_cnt = 0;
int64_t sleep_time = 0;
int64_t all_time = 0;
#endif
Modified: head/sys/kern/kern_sx.c
==============================================================================
--- head/sys/kern/kern_sx.c Sun Jul 31 11:34:08 2016 (r303583)
+++ head/sys/kern/kern_sx.c Sun Jul 31 12:11:55 2016 (r303584)
@@ -515,8 +515,8 @@ _sx_xlock_hard(struct sx *sx, uintptr_t
int error = 0;
#ifdef KDTRACE_HOOKS
uintptr_t state;
- uint64_t spin_cnt = 0;
- uint64_t sleep_cnt = 0;
+ u_int spin_cnt = 0;
+ u_int sleep_cnt = 0;
int64_t sleep_time = 0;
int64_t all_time = 0;
#endif
@@ -820,8 +820,8 @@ _sx_slock_hard(struct sx *sx, int opts,
int error = 0;
#ifdef KDTRACE_HOOKS
uintptr_t state;
- uint64_t spin_cnt = 0;
- uint64_t sleep_cnt = 0;
+ u_int spin_cnt = 0;
+ u_int sleep_cnt = 0;
int64_t sleep_time = 0;
int64_t all_time = 0;
#endif
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