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sched: guest CPU accounting: add guest-CPU /proc/<pid>/stat fields

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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>
This commit is contained in:
Laurent Vivier 2007-10-15 17:00:19 +02:00 • committed by Ingo Molnar
parent 5e84cfde51
commit 9ac52315d4
4 changed files with 27 additions and 2 deletions
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3
include/linux/sched.h
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@ -517,6 +517,8 @@ struct signal_struct {
* in __exit_signal, except for the group leader.
*/
cputime_t utime, stime, cutime, cstime;
cputime_t gtime;
cputime_t cgtime;
unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
unsigned long inblock, oublock, cinblock, coublock;
@ -1048,6 +1050,7 @@ struct task_struct {
unsigned int rt_priority;
cputime_t utime, stime;
cputime_t gtime;
unsigned long nvcsw, nivcsw; /* context switch counts */
struct timespec start_time; /* monotonic time */
struct timespec real_start_time; /* boot based time */