Messages in this thread Patch in this message | | | From | Glauber Costa <> | Subject | [PATCH v4 1/4] account guest time per-cgroup as well. | Date | Tue, 5 Jun 2012 18:49:38 +0400 |
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We already track multiple tick statistics per-cgroup, using the task_group_account_field facility. This patch accounts guest_time in that manner as well.
Signed-off-by: Glauber Costa <glommer@parallels.com> CC: Peter Zijlstra <a.p.zijlstra@chello.nl> CC: Paul Turner <pjt@google.com> --- kernel/sched/core.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 39eb601..220d416 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2717,8 +2717,6 @@ void account_user_time(struct task_struct *p, cputime_t cputime, static void account_guest_time(struct task_struct *p, cputime_t cputime, cputime_t cputime_scaled) { - u64 *cpustat = kcpustat_this_cpu->cpustat; - /* Add guest time to process. */ p->utime += cputime; p->utimescaled += cputime_scaled; @@ -2727,11 +2725,11 @@ static void account_guest_time(struct task_struct *p, cputime_t cputime, /* Add guest time to cpustat. */ if (TASK_NICE(p) > 0) { - cpustat[CPUTIME_NICE] += (__force u64) cputime; - cpustat[CPUTIME_GUEST_NICE] += (__force u64) cputime; + task_group_account_field(p, CPUTIME_NICE, (__force u64) cputime); + task_group_account_field(p, CPUTIME_GUEST, (__force u64) cputime); } else { - cpustat[CPUTIME_USER] += (__force u64) cputime; - cpustat[CPUTIME_GUEST] += (__force u64) cputime; + task_group_account_field(p, CPUTIME_USER, (__force u64) cputime); + task_group_account_field(p, CPUTIME_GUEST, (__force u64) cputime); } } -- 1.7.10.2
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