diff options
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-12-31 15:11:41 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2008-12-31 15:11:48 +0100 |
| commit | 9cfb9b3c3a7361c793c031e9c3583b177ac5debd (patch) | |
| tree | b735c71e6fee3fd1464c21ce53f93d98ceddf90d /arch/s390/kernel/s390_ext.c | |
| parent | 6f43092441bda528dd38f2dc6c1e2522c5079fb7 (diff) | |
[PATCH] improve idle cputime accounting
Distinguish the cputime of the idle process where idle is actually using
cpu cycles from the cputime where idle is sleeping on an enabled wait psw.
The former is accounted as system time, the later as idle time.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/s390_ext.c')
| -rw-r--r-- | arch/s390/kernel/s390_ext.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c index e019b419efc..a0d2d55d7fb 100644 --- a/arch/s390/kernel/s390_ext.c +++ b/arch/s390/kernel/s390_ext.c @@ -119,8 +119,8 @@ void do_extint(struct pt_regs *regs, unsigned short code) struct pt_regs *old_regs; old_regs = set_irq_regs(regs); - irq_enter(); s390_idle_check(); + irq_enter(); if (S390_lowcore.int_clock >= S390_lowcore.clock_comparator) /* Serve timer interrupts first. */ clock_comparator_work(); |