summaryrefslogtreecommitdiffstats
path: root/kernel/time/hrtimer.c
diff options
context:
space:
mode:
authorAnna-Maria Gleixner <anna-maria@linutronix.de>2017-12-21 11:41:38 +0100
committerIngo Molnar <mingo@kernel.org>2018-01-16 02:35:46 +0100
commit63e2ed3659752a4850e0ef3a07f809988fcd74a4 (patch)
treef4121c0a6b9d22e2d44f11a7c697a5fd080c6ae3 /kernel/time/hrtimer.c
parent91633eed73a3ac37aaece5c8c1f93a18bae616a9 (diff)
downloadlinux-63e2ed3659752a4850e0ef3a07f809988fcd74a4.tar.bz2
tracing/hrtimer: Print the hrtimer mode in the 'hrtimer_start' tracepoint
The 'hrtimer_start' tracepoint lacks the mode information. The mode is important because consecutive starts can switch from ABS to REL or from PINNED to non PINNED. Append the mode field. Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de> Cc: Christoph Hellwig <hch@lst.de> Cc: John Stultz <john.stultz@linaro.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: keescook@chromium.org Link: http://lkml.kernel.org/r/20171221104205.7269-10-anna-maria@linutronix.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/time/hrtimer.c')
-rw-r--r--kernel/time/hrtimer.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c
index 60faade2bb4e..f4f46589d7cc 100644
--- a/kernel/time/hrtimer.c
+++ b/kernel/time/hrtimer.c
@@ -435,10 +435,11 @@ debug_init(struct hrtimer *timer, clockid_t clockid,
trace_hrtimer_init(timer, clockid, mode);
}
-static inline void debug_activate(struct hrtimer *timer)
+static inline void debug_activate(struct hrtimer *timer,
+ enum hrtimer_mode mode)
{
debug_hrtimer_activate(timer);
- trace_hrtimer_start(timer);
+ trace_hrtimer_start(timer, mode);
}
static inline void debug_deactivate(struct hrtimer *timer)
@@ -828,9 +829,10 @@ EXPORT_SYMBOL_GPL(hrtimer_forward);
* Returns 1 when the new timer is the leftmost timer in the tree.
*/
static int enqueue_hrtimer(struct hrtimer *timer,
- struct hrtimer_clock_base *base)
+ struct hrtimer_clock_base *base,
+ enum hrtimer_mode mode)
{
- debug_activate(timer);
+ debug_activate(timer, mode);
base->cpu_base->active_bases |= 1 << base->index;
@@ -953,7 +955,7 @@ void hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
/* Switch the timer base, if necessary: */
new_base = switch_hrtimer_base(timer, base, mode & HRTIMER_MODE_PINNED);
- leftmost = enqueue_hrtimer(timer, new_base);
+ leftmost = enqueue_hrtimer(timer, new_base, mode);
if (!leftmost)
goto unlock;
@@ -1222,7 +1224,7 @@ static void __run_hrtimer(struct hrtimer_cpu_base *cpu_base,
*/
if (restart != HRTIMER_NORESTART &&
!(timer->state & HRTIMER_STATE_ENQUEUED))
- enqueue_hrtimer(timer, base);
+ enqueue_hrtimer(timer, base, HRTIMER_MODE_ABS);
/*
* Separate the ->running assignment from the ->state assignment.
@@ -1621,7 +1623,7 @@ static void migrate_hrtimer_list(struct hrtimer_clock_base *old_base,
* sort out already expired timers and reprogram the
* event device.
*/
- enqueue_hrtimer(timer, new_base);
+ enqueue_hrtimer(timer, new_base, HRTIMER_MODE_ABS);
}
}