aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/fork.c
diff options
context:
space:
mode:
authorLaurent Vivier <Laurent.Vivier@bull.net>2007-10-15 11:00:19 -0400
committerIngo Molnar <mingo@elte.hu>2007-10-15 11:00:19 -0400
commit9ac52315d4cf5f561f36dabaf0720c00d3553162 (patch)
treeafe7284f34a65d2540fcb2a9b764834f9d790fa7 /kernel/fork.c
parent5e84cfde51cf303d368fcb48f22059f37b3872de (diff)
sched: guest CPU accounting: add guest-CPU /proc/<pid>/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/<pid>/stat to display these new fields. Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net> Acked-by: Avi Kivity <avi@qumranet.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 5e67f90a1694..3fc3c1383912 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
877 sig->tty_old_pgrp = NULL; 877 sig->tty_old_pgrp = NULL;
878 878
879 sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero; 879 sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero;
880 sig->gtime = cputime_zero;
881 sig->cgtime = cputime_zero;
880 sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0; 882 sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0;
881 sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0; 883 sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0;
882 sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0; 884 sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0;
@@ -1045,6 +1047,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
1045 1047
1046 p->utime = cputime_zero; 1048 p->utime = cputime_zero;
1047 p->stime = cputime_zero; 1049 p->stime = cputime_zero;
1050 p->gtime = cputime_zero;
1048 1051
1049#ifdef CONFIG_TASK_XACCT 1052#ifdef CONFIG_TASK_XACCT
1050 p->rchar = 0; /* I/O counter: bytes read */ 1053 p->rchar = 0; /* I/O counter: bytes read */