Re: [tip:sched/core] sched: cpuacct: Use bigger percpu counter batch values for stats counters
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- Subject: Re: [tip:sched/core] sched: cpuacct: Use bigger percpu counter batch values for stats counters
- From: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx>
- Date: Tue, 12 May 2009 15:54:12 +0530
- Cc: Ingo Molnar <mingo@xxxxxxx>, mingo@xxxxxxxxxx, hpa@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, a.p.zijlstra@xxxxxxxxx, schwidefsky@xxxxxxxxxx, balajirrao@xxxxxxxxx, dhaval@xxxxxxxxxxxxxxxxxx, bharata@xxxxxxxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, kamezawa.hiroyu@xxxxxxxxxxxxxx, linux-tip-commits@xxxxxxxxxxxxxxx
- In-reply-to: <20090512191206.D63B.A69D9226@xxxxxxxxxxxxxx>
- References: <20090512185836.D635.A69D9226@xxxxxxxxxxxxxx> <20090512101057.GD6351@xxxxxxxxxxxxxxxxx> <20090512191206.D63B.A69D9226@xxxxxxxxxxxxxx>
- Reply-to: balbir@xxxxxxxxxxxxxxxxxx
- User-agent: Mutt/1.5.18 (2008-05-17)
* KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> [2009-05-12 19:13:42]:
> > > +#ifdef CONFIGCONFIG_SMP
> > > + cpuacct_batch = jiffies_to_cputime(percpu_counter_batch);
> > > +#endif
> >
> > Slow down and compile patches before sending them out.. please. That
> > is a basic expectation if you expect it to be merged.
>
> Unfortunately, this mistake pass test successfully ;)
> it because cpuacct_batch=0 works even SMP.
>
OK, BTW, using an #ifdef right in the middle of a function makes the
code harder to read, can't we use an inline function to abstract out
SMP?
--
Balbir
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