kern_lockstat.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/lock.h>
#include <sys/lockstat.h>
#include <sys/sdt.h>
#include <sys/time.h>

Include dependency graph for kern_lockstat.c:

Go to the source code of this file.

Functions
	__FBSDID ("$FreeBSD$")
	SDT_PROVIDER_DEFINE (lockstat)
	SDT_PROBE_DEFINE1 (lockstat,,, adaptive__acquire, "struct mtx *")
	SDT_PROBE_DEFINE1 (lockstat,,, adaptive__release, "struct mtx *")
	SDT_PROBE_DEFINE2 (lockstat,,, adaptive__spin, "struct mtx *", "uint64_t")
	SDT_PROBE_DEFINE2 (lockstat,,, adaptive__block, "struct mtx *", "uint64_t")
	SDT_PROBE_DEFINE1 (lockstat,,, spin__acquire, "struct mtx *")
	SDT_PROBE_DEFINE1 (lockstat,,, spin__release, "struct mtx *")
	SDT_PROBE_DEFINE2 (lockstat,,, spin__spin, "struct mtx *", "uint64_t")
	SDT_PROBE_DEFINE2 (lockstat,,, rw__acquire, "struct rwlock *", "int")
	SDT_PROBE_DEFINE2 (lockstat,,, rw__release, "struct rwlock *", "int")
	SDT_PROBE_DEFINE5 (lockstat,,, rw__block, "struct rwlock *", "uint64_t", "int", "int", "int")
	SDT_PROBE_DEFINE2 (lockstat,,, rw__spin, "struct rwlock *", "uint64_t")
	SDT_PROBE_DEFINE1 (lockstat,,, rw__upgrade, "struct rwlock *")
	SDT_PROBE_DEFINE1 (lockstat,,, rw__downgrade, "struct rwlock *")
	SDT_PROBE_DEFINE2 (lockstat,,, sx__acquire, "struct sx *", "int")
	SDT_PROBE_DEFINE2 (lockstat,,, sx__release, "struct sx *", "int")
	SDT_PROBE_DEFINE5 (lockstat,,, sx__block, "struct sx *", "uint64_t", "int", "int", "int")
	SDT_PROBE_DEFINE2 (lockstat,,, sx__spin, "struct sx *", "uint64_t")
	SDT_PROBE_DEFINE1 (lockstat,,, sx__upgrade, "struct sx *")
	SDT_PROBE_DEFINE1 (lockstat,,, sx__downgrade, "struct sx *")
	SDT_PROBE_DEFINE2 (lockstat,,, lockmgr__acquire, "struct lock *", "int")
	SDT_PROBE_DEFINE2 (lockstat,,, lockmgr__release, "struct lock *", "int")
	SDT_PROBE_DEFINE2 (lockstat,,, lockmgr__disown, "struct lock *", "int")
	SDT_PROBE_DEFINE5 (lockstat,,, lockmgr__block, "struct lock *", "uint64_t", "int", "int", "int")
	SDT_PROBE_DEFINE1 (lockstat,,, lockmgr__upgrade, "struct lock *")
	SDT_PROBE_DEFINE1 (lockstat,,, lockmgr__downgrade, "struct lock *")
	SDT_PROBE_DEFINE2 (lockstat,,, thread__spin, "struct mtx *", "uint64_t")
uint64_t	lockstat_nsecs (struct lock_object *lo)

Variables
volatile bool __read_frequently	lockstat_enabled

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

lockstat_nsecs()

uint64_t lockstat_nsecs

(

struct lock_object *

lo

)

Definition at line 78 of file kern_lockstat.c.

References bintime(), binuptime(), bt, and lockstat_enabled.

Referenced by __mtx_lock_sleep(), __rw_rlock_hard(), __rw_wlock_hard(), _sx_slock_hard(), _sx_xlock_hard(), lockmgr_slock_hard(), lockmgr_xlock_hard(), and thread_lock_flags_().

Here is the call graph for this function:

Here is the caller graph for this function:

SDT_PROBE_DEFINE1() [1/10]

SDT_PROBE_DEFINE1	(	lockstat	,
		adaptive__acquire	,
		"struct mtx *"
	)

SDT_PROBE_DEFINE1() [2/10]

SDT_PROBE_DEFINE1	(	lockstat	,
		adaptive__release	,
		"struct mtx *"
	)

SDT_PROBE_DEFINE1() [3/10]

SDT_PROBE_DEFINE1	(	lockstat	,
		lockmgr__downgrade	,
		"struct lock *"
	)

SDT_PROBE_DEFINE1() [4/10]

SDT_PROBE_DEFINE1	(	lockstat	,
		lockmgr__upgrade	,
		"struct lock *"
	)

SDT_PROBE_DEFINE1() [5/10]

SDT_PROBE_DEFINE1	(	lockstat	,
		rw__downgrade	,
		"struct rwlock *"
	)

SDT_PROBE_DEFINE1() [6/10]

SDT_PROBE_DEFINE1	(	lockstat	,
		rw__upgrade	,
		"struct rwlock *"
	)

SDT_PROBE_DEFINE1() [7/10]

SDT_PROBE_DEFINE1	(	lockstat	,
		spin__acquire	,
		"struct mtx *"
	)

SDT_PROBE_DEFINE1() [8/10]

SDT_PROBE_DEFINE1	(	lockstat	,
		spin__release	,
		"struct mtx *"
	)

SDT_PROBE_DEFINE1() [9/10]

SDT_PROBE_DEFINE1	(	lockstat	,
		sx__downgrade	,
		"struct sx *"
	)

SDT_PROBE_DEFINE1() [10/10]

SDT_PROBE_DEFINE1	(	lockstat	,
		sx__upgrade	,
		"struct sx *"
	)

SDT_PROBE_DEFINE2() [1/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		adaptive__block	,
		"struct mtx *"	,
		"uint64_t"
	)

SDT_PROBE_DEFINE2() [2/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		adaptive__spin	,
		"struct mtx *"	,
		"uint64_t"
	)

SDT_PROBE_DEFINE2() [3/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		lockmgr__acquire	,
		"struct lock *"	,
		"int"
	)

SDT_PROBE_DEFINE2() [4/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		lockmgr__disown	,
		"struct lock *"	,
		"int"
	)

SDT_PROBE_DEFINE2() [5/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		lockmgr__release	,
		"struct lock *"	,
		"int"
	)

SDT_PROBE_DEFINE2() [6/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		rw__acquire	,
		"struct rwlock *"	,
		"int"
	)

SDT_PROBE_DEFINE2() [7/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		rw__release	,
		"struct rwlock *"	,
		"int"
	)

SDT_PROBE_DEFINE2() [8/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		rw__spin	,
		"struct rwlock *"	,
		"uint64_t"
	)

SDT_PROBE_DEFINE2() [9/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		spin__spin	,
		"struct mtx *"	,
		"uint64_t"
	)

SDT_PROBE_DEFINE2() [10/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		sx__acquire	,
		"struct sx *"	,
		"int"
	)

SDT_PROBE_DEFINE2() [11/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		sx__release	,
		"struct sx *"	,
		"int"
	)

SDT_PROBE_DEFINE2() [12/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		sx__spin	,
		"struct sx *"	,
		"uint64_t"
	)

SDT_PROBE_DEFINE2() [13/13]

SDT_PROBE_DEFINE2	(	lockstat	,
		thread__spin	,
		"struct mtx *"	,
		"uint64_t"
	)

SDT_PROBE_DEFINE5() [1/3]

SDT_PROBE_DEFINE5	(	lockstat	,
		lockmgr__block	,
		"struct lock *"	,
		"uint64_t"	,
		"int"	,
		"int"	,
		"int"
	)

SDT_PROBE_DEFINE5() [2/3]

SDT_PROBE_DEFINE5	(	lockstat	,
		rw__block	,
		"struct rwlock *"	,
		"uint64_t"	,
		"int"	,
		"int"	,
		"int"
	)

SDT_PROBE_DEFINE5() [3/3]

SDT_PROBE_DEFINE5	(	lockstat	,
		sx__block	,
		"struct sx *"	,
		"uint64_t"	,
		"int"	,
		"int"	,
		"int"
	)

SDT_PROVIDER_DEFINE()

SDT_PROVIDER_DEFINE

(

lockstat

)

Variable Documentation

lockstat_enabled

volatile bool __read_frequently lockstat_enabled

Definition at line 75 of file kern_lockstat.c.

Referenced by lockstat_nsecs(), and thread_lock_flags_().