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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2012-09-08 18:00:02 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2012-09-25 15:42:57 +0200 |
| commit | 5bf412cd769eb5830fb3716d4b2b222b6a5515ff (patch) | |
| tree | a3b8ed1f602be50a3d47e5cede7fb107c0575fc4 /arch/ia64/kernel | |
| parent | a7e1a9e3af71b45ecae2dae35851f238117b317d (diff) | |
| download | linux-5bf412cd769eb5830fb3716d4b2b222b6a5515ff.tar.bz2 | |
ia64: Consolidate user vtime accounting
Factorize the code that accounts user time into a
single function 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')
| -rw-r--r-- | arch/ia64/kernel/time.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 01cd43e491cd..351df5850309 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -83,6 +83,18 @@ static struct clocksource *itc_clocksource; extern cputime_t cycle_to_cputime(u64 cyc); +static void vtime_account_user(struct task_struct *tsk) +{ + cputime_t delta_utime; + struct thread_info *ti = task_thread_info(tsk); + + if (ti->ac_utime) { + delta_utime = cycle_to_cputime(ti->ac_utime); + account_user_time(tsk, delta_utime, delta_utime); + ti->ac_utime = 0; + } +} + /* * Called from the context switch with interrupts disabled, to charge all * accumulated times to the current process, and to prepare accounting on @@ -92,7 +104,7 @@ 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, delta_utime; + cputime_t delta_stime; __u64 now; now = ia64_get_itc(); @@ -103,10 +115,7 @@ void vtime_task_switch(struct task_struct *prev) else account_idle_time(delta_stime); - if (pi->ac_utime) { - delta_utime = cycle_to_cputime(pi->ac_utime); - account_user_time(prev, delta_utime, delta_utime); - } + vtime_account_user(prev); pi->ac_stamp = ni->ac_stamp = now; ni->ac_stime = ni->ac_utime = 0; @@ -149,14 +158,7 @@ void vtime_account_idle(struct task_struct *tsk) */ void account_process_tick(struct task_struct *p, int user_tick) { - struct thread_info *ti = task_thread_info(p); - cputime_t delta_utime; - - if (ti->ac_utime) { - delta_utime = cycle_to_cputime(ti->ac_utime); - account_user_time(p, delta_utime, delta_utime); - ti->ac_utime = 0; - } + vtime_account_user(p); } #endif /* CONFIG_VIRT_CPU_ACCOUNTING */ |