Re: [RFC][PATCH] mm: cut down __GFP_NORETRY page allocation failures

[Dave Young]

On Wed, May 4, 2011 at 12:00 PM, Wu Fengguang <fengguang.wu@xxxxxxxxx> wrote:
>> > CAL: Â Â 220449 Â Â 220246 Â Â 220372 Â Â 220558 Â Â 220251 Â Â 219740 Â Â 220043 Â Â 219968 Â Function call interrupts
>> >
>> > LOC: Â Â 536274 Â Â 532529 Â Â 531734 Â Â 536801 Â Â 536510 Â Â 533676 Â Â 534853 Â Â 532038 Â Local timer interrupts
>> > RES: Â Â Â 3032 Â Â Â 2128 Â Â Â 1792 Â Â Â 1765 Â Â Â 2184 Â Â Â 1703 Â Â Â 1754 Â Â Â 1865 Â Rescheduling interrupts
>> > TLB: Â Â Â Â189 Â Â Â Â 15 Â Â Â Â 13 Â Â Â Â 17 Â Â Â Â 64 Â Â Â Â294 Â Â Â Â 97 Â Â Â Â 63 Â TLB shootdowns
>>
>> Could you tell how to get above info?
>
> It's /proc/interrupts.
>
> I have two lines at the end of the attached script to collect the
> information, and another script to call getdelays on every 10s. The
> posted reclaim delays are the last successful getdelays output.
>
> I've automated the test process, so that with one single command line
> a new kernel will be built and the test box will rerun tests on the
> new kernel :)

Thank you for that effort!

>
> Thanks,
> Fengguang
>



-- 
Regards
dave
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