From: Rik van Riel <[email protected]> When tick based accounting is run from a remote CPU, it is actually possible to encounter a task with PF_VCPU set. Make sure to account those as guest time.
Signed-off-by: Rik van Riel <[email protected]> --- kernel/sched/cputime.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index 593f97b0fe3c..6295679fe5f5 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -488,7 +488,9 @@ void account_process_tick(struct task_struct *p, int user_tick) if (steal_account_process_tick(cpu)) return; - if (user_tick) + if (p->flags & PF_VCPU) + account_guest_time(p, cputime_one_jiffy, one_jiffy_scaled); + else if (user_tick) account_user_time(p, cputime_one_jiffy, one_jiffy_scaled); else if ((p != rq->idle) || (irq_count() != HARDIRQ_OFFSET)) account_system_time(p, HARDIRQ_OFFSET, cputime_one_jiffy, -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
