diff options
| author | Frederic Weisbecker <fweisbec@gmail.com> | 2017-01-31 04:09:23 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-02-01 09:13:49 +0100 |
| commit | 5613fda9a503cd6137b120298902a34a1386b2c1 (patch) | |
| tree | 5431dd50508a6cfa052a3b9966e58842b430804d /arch/powerpc/kernel/time.c | |
| parent | a1cecf2ba78e0a6de00ff99df34b662728535aa5 (diff) | |
sched/cputime: Convert task/group cputime to nsecs
Now that most cputime readers use the transition API which return the
task cputime in old style cputime_t, we can safely store the cputime in
nsecs. This will eventually make cputime statistics less opaque and more
granular. Back and forth convertions between cputime_t and nsecs in order
to deal with cputime_t random granularity won't be needed anymore.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Link: http://lkml.kernel.org/r/1485832191-26889-8-git-send-email-fweisbec@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/kernel/time.c')
| -rw-r--r-- | arch/powerpc/kernel/time.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 02e97305d22b..3cca82e065c9 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -396,7 +396,7 @@ void vtime_flush(struct task_struct *tsk) account_user_time(tsk, acct->utime); if (acct->utime_scaled) - tsk->utimescaled += acct->utime_scaled; + tsk->utimescaled += cputime_to_nsecs(acct->utime_scaled); if (acct->gtime) account_guest_time(tsk, acct->gtime); @@ -411,7 +411,7 @@ void vtime_flush(struct task_struct *tsk) account_system_index_time(tsk, acct->stime, CPUTIME_SYSTEM); if (acct->stime_scaled) - tsk->stimescaled += acct->stime_scaled; + tsk->stimescaled += cputime_to_nsecs(acct->stime_scaled); if (acct->hardirq_time) account_system_index_time(tsk, acct->hardirq_time, CPUTIME_IRQ); |