| [PATCH 1/2] account guest time per-cgroup as well. [message #46870 is a reply to message #46869] |
Wed, 20 June 2012 11:38   |
Glauber Costa
Messages: 916
Registered: October 2011
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Senior Member |
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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 f442060..4ce68f6 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2689,8 +2689,6 @@ 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;
@@ -2699,11 +2697,11 @@ 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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