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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2012-11-13 23:51:06 +0100 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2012-11-19 16:41:21 +0100 |
| commit | bcebdf846522056a84ba0b0cba5f5413868c9394 (patch) | |
| tree | 76e007a63351abe84a9713e3b182463c230d1053 /arch/ia64 | |
| parent | fd25b4c2f226de818e1d2b71e3e681d28bcaf5ba (diff) | |
| download | linux-bcebdf846522056a84ba0b0cba5f5413868c9394.tar.bz2 | |
vtime: Explicitly account pending user time on process tick
All vtime implementations just flush the user time on process
tick. Consolidate that in generic code by calling a user time
accounting helper. This avoids an indirect call in ia64 and
prepare to also consolidate vtime context switch code.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Paul Gortmaker <paul.gortmaker@windriver.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>
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/kernel/time.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index f6388216080d..834c78bd3b5f 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -83,7 +83,7 @@ static struct clocksource *itc_clocksource; extern cputime_t cycle_to_cputime(u64 cyc); -static void vtime_account_user(struct task_struct *tsk) +void vtime_account_user(struct task_struct *tsk) { cputime_t delta_utime; struct thread_info *ti = task_thread_info(tsk); @@ -147,15 +147,6 @@ void vtime_account_idle(struct task_struct *tsk) account_idle_time(vtime_delta(tsk)); } -/* - * Called from the timer interrupt handler to charge accumulated user time - * to the current process. Must be called with interrupts disabled. - */ -void account_process_tick(struct task_struct *p, int user_tick) -{ - vtime_account_user(p); -} - #endif /* CONFIG_VIRT_CPU_ACCOUNTING */ static irqreturn_t |