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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-03 14:56:24 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-03 14:56:24 -0500
commit61420f59a589c0668f70cbe725785837c78ece90 (patch)
tree79ae77d731cd2425677b9527d50079d8cf34c3b2 /kernel/timer.c
parentd97106ab53f812910a62d18afb9dbe882819c1ba (diff)
parentc742b31c03f37c5c499178f09f57381aa6c70131 (diff)
Merge branch 'cputime' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'cputime' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [PATCH] fast vdso implementation for CLOCK_THREAD_CPUTIME_ID [PATCH] improve idle cputime accounting [PATCH] improve precision of idle time detection. [PATCH] improve precision of process accounting. [PATCH] idle cputime accounting [PATCH] fix scaled & unscaled cputime accounting
Diffstat (limited to 'kernel/timer.c')
-rw-r--r--kernel/timer.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/kernel/timer.c b/kernel/timer.c
index 566257d1dc10..dee3f641a7a7 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1018,21 +1018,6 @@ unsigned long get_next_timer_interrupt(unsigned long now)
1018} 1018}
1019#endif 1019#endif
1020 1020
1021#ifndef CONFIG_VIRT_CPU_ACCOUNTING
1022void account_process_tick(struct task_struct *p, int user_tick)
1023{
1024 cputime_t one_jiffy = jiffies_to_cputime(1);
1025
1026 if (user_tick) {
1027 account_user_time(p, one_jiffy);
1028 account_user_time_scaled(p, cputime_to_scaled(one_jiffy));
1029 } else {
1030 account_system_time(p, HARDIRQ_OFFSET, one_jiffy);
1031 account_system_time_scaled(p, cputime_to_scaled(one_jiffy));
1032 }
1033}
1034#endif
1035
1036/* 1021/*
1037 * Called from the timer interrupt handler to charge one tick to the current 1022 * Called from the timer interrupt handler to charge one tick to the current
1038 * process. user_tick is 1 if the tick is user time, 0 for system. 1023 * process. user_tick is 1 if the tick is user time, 0 for system.