From 5613fda9a503cd6137b120298902a34a1386b2c1 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Tue, 31 Jan 2017 04:09:23 +0100 Subject: 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 Cc: Benjamin Herrenschmidt Cc: Fenghua Yu Cc: Heiko Carstens Cc: Linus Torvalds Cc: Martin Schwidefsky Cc: Michael Ellerman Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Rik van Riel Cc: Stanislaw Gruszka Cc: Thomas Gleixner Cc: Tony Luck Cc: Wanpeng Li Link: http://lkml.kernel.org/r/1485832191-26889-8-git-send-email-fweisbec@gmail.com Signed-off-by: Ingo Molnar --- kernel/signal.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'kernel/signal.c') diff --git a/kernel/signal.c b/kernel/signal.c index 218048a837ea..b63522193076 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1620,8 +1620,8 @@ bool do_notify_parent(struct task_struct *tsk, int sig) rcu_read_unlock(); task_cputime_t(tsk, &utime, &stime); - info.si_utime = cputime_to_clock_t(utime + tsk->signal->utime); - info.si_stime = cputime_to_clock_t(stime + tsk->signal->stime); + info.si_utime = cputime_to_clock_t(utime + nsecs_to_cputime(tsk->signal->utime)); + info.si_stime = cputime_to_clock_t(stime + nsecs_to_cputime(tsk->signal->stime)); info.si_status = tsk->exit_code & 0x7f; if (tsk->exit_code & 0x80) -- cgit v1.2.3