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authorJonathan Lim <jlim@sgi.com>2008-07-25 01:48:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 10:53:46 -0700
commit49b5cf34727a6c1be1568ab28e89a2d9a6bf51e0 (patch)
tree29505ad668bfadc67a670ad4ebc5c65823a87413 /kernel/sched.c
parent7394f0f6c0baab650ea9194cb1be847df646fb57 (diff)
accounting: account for user time when updating memory integrals
Adapt acct_update_integrals() to include user time when calculating the time difference. The units of acct_rss_mem1 and acct_vm_mem1 are also changed from pages-jiffies to pages-usecs to avoid calling jiffies_to_usecs() in xacct_add_tsk() which might overflow. Signed-off-by: Jonathan Lim <jlim@sgi.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/sched.c')
-rw-r--r--kernel/sched.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 6acf749d333..0047bd9b96a 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4046,6 +4046,8 @@ void account_user_time(struct task_struct *p, cputime_t cputime)
cpustat->nice = cputime64_add(cpustat->nice, tmp);
else
cpustat->user = cputime64_add(cpustat->user, tmp);
+ /* Account for user time used */
+ acct_update_integrals(p);
}
/*