Messages in this thread Patch in this message | | | Date | Tue, 5 Feb 2008 00:48:13 +0100 | From | Pavel Machek <> | Subject | Timer cleanups |
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Add anotations, so that timertop produces nicer results. Relative expiry time can get negative, so it should be signed.
Signed-off-by: Pavel Machek <Pavel@suse.cz>
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index 429d084..235fd6c 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -368,8 +368,8 @@ static int hpet_clocksource_register(voi return 0; } -/* - * Try to setup the HPET timer +/** + * hpet_enable - Try to setup the HPET timer. Returns 1 on success. */ int __init hpet_enable(void) { diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c index d3d94c1..0fab3ca 100644 --- a/kernel/time/timer_list.c +++ b/kernel/time/timer_list.c @@ -65,9 +65,9 @@ #ifdef CONFIG_TIMER_STATS SEQ_printf(m, ", %s/%d", tmp, timer->start_pid); #endif SEQ_printf(m, "\n"); - SEQ_printf(m, " # expires at %Lu nsecs [in %Lu nsecs]\n", + SEQ_printf(m, " # expires at %Lu nsecs [in %Ld nsecs]\n", (unsigned long long)ktime_to_ns(timer->expires), - (unsigned long long)(ktime_to_ns(timer->expires) - now)); + (long long)(ktime_to_ns(timer->expires) - now)); } static void diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 52db48e..6cbec10 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -219,6 +219,7 @@ int queue_delayed_work_on(int cpu, struc struct timer_list *timer = &dwork->timer; struct work_struct *work = &dwork->work; + timer_stats_timer_set_start_info(&dwork->timer); if (!test_and_set_bit(WORK_STRUCT_PENDING, work_data_bits(work))) { BUG_ON(timer_pending(timer)); BUG_ON(!list_empty(&work->entry)); @@ -580,6 +581,7 @@ EXPORT_SYMBOL(schedule_delayed_work); int schedule_delayed_work_on(int cpu, struct delayed_work *dwork, unsigned long delay) { + timer_stats_timer_set_start_info(&dwork->timer); return queue_delayed_work_on(cpu, keventd_wq, dwork, delay); } EXPORT_SYMBOL(schedule_delayed_work_on); -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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