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Date: Wed, 17 Jul 2013 18:44:30 +0200 From: Frederic Weisbecker <fweisbec@...il.com> To: LKML <linux-kernel@...r.kernel.org> Cc: Frederic Weisbecker <fweisbec@...il.com>, Steven Rostedt <rostedt@...dmis.org>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Ingo Molnar <mingo@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, Peter Zijlstra <peterz@...radead.org>, Borislav Petkov <bp@...en8.de>, Li Zhong <zhong@...ux.vnet.ibm.com>, Mike Galbraith <efault@....de>, Kevin Hilman <khilman@...aro.org> Subject: [PATCH 17/18] vtime: Always scale generic vtime accounting results The cputime accounting in full dynticks can be a subtle mixup of CPUs using tick based accounting and others using generic vtime. As long as the tick can have a share on producing these stats, we want to scale the result against CFS precise accounting as the tick can miss some task hiding between the periodic interrupt. Signed-off-by: Frederic Weisbecker <fweisbec@...il.com> Cc: Steven Rostedt <rostedt@...dmis.org> Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> Cc: Ingo Molnar <mingo@...nel.org> Cc: Thomas Gleixner <tglx@...utronix.de> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Borislav Petkov <bp@...en8.de> Cc: Li Zhong <zhong@...ux.vnet.ibm.com> Cc: Mike Galbraith <efault@....de> Cc: Kevin Hilman <khilman@...aro.org> --- kernel/sched/cputime.c | 6 ------ 1 files changed, 0 insertions(+), 6 deletions(-) diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 0831b06..e9e742e 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -553,12 +553,6 @@ static void cputime_adjust(struct task_cputime *curr, { cputime_t rtime, stime, utime, total; - if (vtime_accounting_enabled()) { - *ut = curr->utime; - *st = curr->stime; - return; - } - stime = curr->stime; total = stime + curr->utime; -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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