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authorjhb <jhb@FreeBSD.org>2012-04-20 15:32:36 +0000
committerjhb <jhb@FreeBSD.org>2012-04-20 15:32:36 +0000
commitaa85973504e8ab2a6d5b1ab434c06030e5302f7c (patch)
tree210aa794e2e54dd698b7426768c3c9db3207febd /sys/kern/kern_synch.c
parent58d2e125c4d6dc16535d5d50b8fa3eab9b287353 (diff)
downloadFreeBSD-src-aa85973504e8ab2a6d5b1ab434c06030e5302f7c.zip
FreeBSD-src-aa85973504e8ab2a6d5b1ab434c06030e5302f7c.tar.gz
Include the associated wait channel message for context switch ktrace
records. kdump supports both the old and new messages. Submitted by: Andrey Zonov andrey zonov org MFC after: 1 week
Diffstat (limited to 'sys/kern/kern_synch.c')
-rw-r--r--sys/kern/kern_synch.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c
index a7945d2..85b11f9 100644
--- a/sys/kern/kern_synch.c
+++ b/sys/kern/kern_synch.c
@@ -142,7 +142,7 @@ _sleep(void *ident, struct lock_object *lock, int priority,
p = td->td_proc;
#ifdef KTRACE
if (KTRPOINT(td, KTR_CSW))
- ktrcsw(1, 0);
+ ktrcsw(1, 0, wmesg);
#endif
WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, lock,
"Sleeping on \"%s\"", wmesg);
@@ -236,7 +236,7 @@ _sleep(void *ident, struct lock_object *lock, int priority,
}
#ifdef KTRACE
if (KTRPOINT(td, KTR_CSW))
- ktrcsw(0, 0);
+ ktrcsw(0, 0, wmesg);
#endif
PICKUP_GIANT();
if (lock != NULL && lock != &Giant.lock_object && !(priority & PDROP)) {
@@ -298,7 +298,7 @@ msleep_spin(void *ident, struct mtx *mtx, const char *wmesg, int timo)
#ifdef KTRACE
if (KTRPOINT(td, KTR_CSW)) {
sleepq_release(ident);
- ktrcsw(1, 0);
+ ktrcsw(1, 0, wmesg);
sleepq_lock(ident);
}
#endif
@@ -316,7 +316,7 @@ msleep_spin(void *ident, struct mtx *mtx, const char *wmesg, int timo)
}
#ifdef KTRACE
if (KTRPOINT(td, KTR_CSW))
- ktrcsw(0, 0);
+ ktrcsw(0, 0, wmesg);
#endif
PICKUP_GIANT();
mtx_lock_spin(mtx);
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