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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2012-09-08 18:07:29 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2012-09-25 15:42:59 +0200 |
| commit | 9dc16f64e84fea59d6af6bb5da59603b369ff05c (patch) | |
| tree | 78e8e15457d989bf4cec3e73e2e605de3ee6234f /arch/ia64/kernel/time.c | |
| parent | 5bf412cd769eb5830fb3716d4b2b222b6a5515ff (diff) | |
| download | linux-9dc16f64e84fea59d6af6bb5da59603b369ff05c.tar.gz | |
ia64: Reuse system and user vtime accounting functions on task switch
To avoid code duplication. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'arch/ia64/kernel/time.c')
| -rw-r--r-- | arch/ia64/kernel/time.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 351df5850309..80ff9acc5edf 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -104,20 +104,15 @@ void vtime_task_switch(struct task_struct *prev) { struct thread_info *pi = task_thread_info(prev); struct thread_info *ni = task_thread_info(current); - cputime_t delta_stime; - __u64 now; - - now = ia64_get_itc(); - delta_stime = cycle_to_cputime(pi->ac_stime + (now - pi->ac_stamp)); if (idle_task(smp_processor_id()) != prev) - account_system_time(prev, 0, delta_stime, delta_stime); + vtime_account_system(prev); else - account_idle_time(delta_stime); + vtime_account_idle(prev); vtime_account_user(prev); - pi->ac_stamp = ni->ac_stamp = now; + pi->ac_stamp = ni->ac_stamp; ni->ac_stime = ni->ac_utime = 0; } |