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Cut a KTR record whenever a callout is invoked. Mark whether it runs

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with Giant or not, and include the function point so it can be looked
up against the kernel symbol table during trace analysis.
This commit is contained in:
rwatson 2004-08-06 21:49:00 +00:00
parent fadae90e4a
commit 36a8fef8a8
1 changed files with 4 additions and 0 deletions
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4
sys/kern/kern_timeout.c
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@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$");
#include <sys/callout.h>
#include <sys/condvar.h>
#include <sys/kernel.h>
#include <sys/ktr.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/sysctl.h>
@ -245,8 +246,11 @@ softclock(void *dummy)
if (!(c_flags & CALLOUT_MPSAFE)) {
mtx_lock(&Giant);
gcalls++;
CTR1(KTR_CALLOUT, "callout %p", c_func);
} else {
mpcalls++;
CTR1(KTR_CALLOUT, "callout mpsafe %p",
c_func);
}
#ifdef DIAGNOSTIC
binuptime(&bt1);