Re: [patch v8 6/9] sched: compute runnable load avg in cpu_load andcpu_avg_load_per_task

From: Alex Shi
Date: Mon Jun 17 2013 - 11:21:44 EST


On 06/17/2013 10:57 PM, Alex Shi wrote:
>> >
>> > Did you try including blocked_load_avg in only get_rq_runnable_load()
>> > [ and not weighted_cpuload() which is called by new-idle ]?
>> >
> No, but blocked_load_avg also impact periodic balance much. The ideal
> scenario is a sleeping task will be waken up on same cpu. But like
> kbuild benchmark, the quick cc/ld task are forked, and then finished and

a bit more explain, cc/ld finished cpu task then wait IO to write object
files into disk.
> disappeared quickly. blocked_load_avg cause trouble in kbuild.


--
Thanks
Alex
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/