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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 09:46:15 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 09:46:15 -0700 |
commit | 31bbb9b58d1e8ebcf2b28c95c2250a9f8e31e397 (patch) | |
tree | 6bb0c0490d66d32eca43e73abb28d8b3ab0e7b91 /kernel/sched.c | |
parent | ff830b8e5f999d1ccbd0282a666520f0b557daa4 (diff) | |
parent | 3f0a525ebf4b8ef041a332bbe4a73aee94bb064b (diff) | |
download | lwn-31bbb9b58d1e8ebcf2b28c95c2250a9f8e31e397.tar.gz lwn-31bbb9b58d1e8ebcf2b28c95c2250a9f8e31e397.zip |
Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
itimers: Add tracepoints for itimer
hrtimer: Add tracepoint for hrtimers
timers: Add tracepoints for timer_list timers
cputime: Optimize jiffies_to_cputime(1)
itimers: Simplify arm_timer() code a bit
itimers: Fix periodic tics precision
itimers: Merge ITIMER_VIRT and ITIMER_PROF
Trivial header file include conflicts in kernel/fork.c
Diffstat (limited to 'kernel/sched.c')
-rw-r--r-- | kernel/sched.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 0ac9053c21d6..2f76e06bea58 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5092,17 +5092,16 @@ void account_idle_time(cputime_t cputime) */ void account_process_tick(struct task_struct *p, int user_tick) { - cputime_t one_jiffy = jiffies_to_cputime(1); - cputime_t one_jiffy_scaled = cputime_to_scaled(one_jiffy); + cputime_t one_jiffy_scaled = cputime_to_scaled(cputime_one_jiffy); struct rq *rq = this_rq(); if (user_tick) - account_user_time(p, one_jiffy, one_jiffy_scaled); + account_user_time(p, cputime_one_jiffy, one_jiffy_scaled); else if ((p != rq->idle) || (irq_count() != HARDIRQ_OFFSET)) - account_system_time(p, HARDIRQ_OFFSET, one_jiffy, + account_system_time(p, HARDIRQ_OFFSET, cputime_one_jiffy, one_jiffy_scaled); else - account_idle_time(one_jiffy); + account_idle_time(cputime_one_jiffy); } /* |