From 9ac52315d4cf5f561f36dabaf0720c00d3553162 Mon Sep 17 00:00:00 2001 From: Laurent Vivier Date: Mon, 15 Oct 2007 17:00:19 +0200 Subject: sched: guest CPU accounting: add guest-CPU /proc//stat fields like for cpustat, introduce the "gtime" (guest time of the task) and "cgtime" (guest time of the task children) fields for the tasks. Modify signal_struct and task_struct. Modify /proc//stat to display these new fields. Signed-off-by: Laurent Vivier Acked-by: Avi Kivity Signed-off-by: Ingo Molnar --- kernel/fork.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'kernel/fork.c') diff --git a/kernel/fork.c b/kernel/fork.c index 5e67f90a169..3fc3c138391 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -877,6 +877,8 @@ static inline int copy_signal(unsigned long clone_flags, struct task_struct * ts sig->tty_old_pgrp = NULL; sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero; + sig->gtime = cputime_zero; + sig->cgtime = cputime_zero; sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0; sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0; sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0; @@ -1045,6 +1047,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, p->utime = cputime_zero; p->stime = cputime_zero; + p->gtime = cputime_zero; #ifdef CONFIG_TASK_XACCT p->rchar = 0; /* I/O counter: bytes read */ -- cgit v1.2.3