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| author | jkoshy <jkoshy@FreeBSD.org> | 2005-05-30 06:29:29 +0000 |
|---|---|---|
| committer | jkoshy <jkoshy@FreeBSD.org> | 2005-05-30 06:29:29 +0000 |
| commit | ad86ac4ba488543f1b0c0667a071e2bb197b7f9a (patch) | |
| tree | 7e883bbffeb74552930e9883202ed3d7c3123a4a /sys/kern/kern_clock.c | |
| parent | f570134192d2d751237ed54f0fb9baa2fea5aeb5 (diff) | |
| download | FreeBSD-src-ad86ac4ba488543f1b0c0667a071e2bb197b7f9a.zip FreeBSD-src-ad86ac4ba488543f1b0c0667a071e2bb197b7f9a.tar.gz | |
Kernel hooks to support PMC sampling modes.
Reviewed by: alc
Diffstat (limited to 'sys/kern/kern_clock.c')
| -rw-r--r-- | sys/kern/kern_clock.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/kern/kern_clock.c b/sys/kern/kern_clock.c index 4ac211d..070d459 100644 --- a/sys/kern/kern_clock.c +++ b/sys/kern/kern_clock.c @@ -69,6 +69,10 @@ __FBSDID("$FreeBSD$"); #include <sys/gmon.h> #endif +#ifdef HWPMC_HOOKS +#include <sys/pmckern.h> +#endif + #ifdef DEVICE_POLLING extern void hardclock_device_poll(void); #endif /* DEVICE_POLLING */ @@ -191,6 +195,11 @@ hardclock_process(frame) } } mtx_unlock_spin_flags(&sched_lock, MTX_QUIET); + +#ifdef HWPMC_HOOKS + if (PMC_CPU_HAS_SAMPLES(PCPU_GET(cpuid))) + PMC_CALL_HOOK_UNLOCKED(curthread, PMC_FN_DO_SAMPLES, NULL); +#endif } /* |
