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| author | Venki Pallipadi <venkatesh.pallipadi@intel.com> | 2007-07-15 23:40:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 09:05:45 -0700 |
| commit | c5c061b8f9726bc2c25e19dec227933a13d1e6b7 (patch) | |
| tree | e99f68f70df1a01dd383007895befd114a1da8c4 /kernel/timer.c | |
| parent | e0807061908a7a9441d0f745deb444f7216904cb (diff) | |
| download | linux-c5c061b8f9726bc2c25e19dec227933a13d1e6b7.tar.gz linux-c5c061b8f9726bc2c25e19dec227933a13d1e6b7.tar.bz2 linux-c5c061b8f9726bc2c25e19dec227933a13d1e6b7.zip | |
Add a flag to indicate deferrable timers in /proc/timer_stats
Add a flag in /proc/timer_stats to indicate deferrable timers. This will
let developers/users to differentiate between types of tiemrs in
/proc/timer_stats.
Deferrable timer and normal timer will appear in /proc/timer_stats as below.
10D, 1 swapper queue_delayed_work_on (delayed_work_timer_fn)
10, 1 swapper queue_delayed_work_on (delayed_work_timer_fn)
Also version of timer_stats changes from v0.1 to v0.2
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/timer.c')
| -rw-r--r-- | kernel/timer.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/timer.c b/kernel/timer.c index 1ab3106a2b5d..1258371e0d2b 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -305,6 +305,20 @@ void __timer_stats_timer_set_start_info(struct timer_list *timer, void *addr) memcpy(timer->start_comm, current->comm, TASK_COMM_LEN); timer->start_pid = current->pid; } + +static void timer_stats_account_timer(struct timer_list *timer) +{ + unsigned int flag = 0; + + if (unlikely(tbase_get_deferrable(timer->base))) + flag |= TIMER_STATS_FLAG_DEFERRABLE; + + timer_stats_update_stats(timer, timer->start_pid, timer->start_site, + timer->function, timer->start_comm, flag); +} + +#else +static void timer_stats_account_timer(struct timer_list *timer) {} #endif /** |