diff options
Diffstat (limited to 'sys/kern/subr_sleepqueue.c')
| -rw-r--r-- | sys/kern/subr_sleepqueue.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/kern/subr_sleepqueue.c b/sys/kern/subr_sleepqueue.c index bbf79db..b868289 100644 --- a/sys/kern/subr_sleepqueue.c +++ b/sys/kern/subr_sleepqueue.c @@ -64,6 +64,7 @@ __FBSDID("$FreeBSD$"); #include "opt_sleepqueue_profiling.h" #include "opt_ddb.h" +#include "opt_kdtrace.h" #include "opt_sched.h" #include <sys/param.h> @@ -75,6 +76,7 @@ __FBSDID("$FreeBSD$"); #include <sys/proc.h> #include <sys/sbuf.h> #include <sys/sched.h> +#include <sys/sdt.h> #include <sys/signalvar.h> #include <sys/sleepqueue.h> #include <sys/sysctl.h> @@ -166,6 +168,9 @@ static int sleepq_resume_thread(struct sleepqueue *sq, struct thread *td, static void sleepq_switch(void *wchan, int pri); static void sleepq_timeout(void *arg); +SDT_PROBE_DECLARE(sched, , , sleep); +SDT_PROBE_DECLARE(sched, , , wakeup); + /* * Early initialization of sleep queues that is called from the sleepinit() * SYSINIT. @@ -534,6 +539,7 @@ sleepq_switch(void *wchan, int pri) MPASS(td->td_sleepqueue == NULL); sched_sleep(td, pri); thread_lock_set(td, &sc->sc_lock); + SDT_PROBE0(sched, , , sleep); TD_SET_SLEEPING(td); mi_switch(SW_VOL | SWT_SLEEPQ, NULL); KASSERT(TD_IS_RUNNING(td), ("running but not TDS_RUNNING")); @@ -715,6 +721,8 @@ sleepq_resume_thread(struct sleepqueue *sq, struct thread *td, int pri) sc = SC_LOOKUP(sq->sq_wchan); mtx_assert(&sc->sc_lock, MA_OWNED); + SDT_PROBE2(sched, , , wakeup, td, td->td_proc); + /* Remove the thread from the queue. */ sq->sq_blockedcnt[td->td_sqqueue]--; TAILQ_REMOVE(&sq->sq_blocked[td->td_sqqueue], td, td_slpq); |
