Re: [RFC][PATCH] the proposal of improve page reclaim by throttle

[KOSAKI Motohiro]

Hi

> > >  * max parallel reclaim tasks:
> > >  *  max consumption time of
> > >         try_to_free_pages():
> >
> > sorry, I inserted debug code to my patch at that time.
> 
> Could you send me that debug code ?
> If you will send it to me, I will test it my environment (ARM-920T, Core2Duo).
> And I will report test result.

attached it.
but it is very messy ;-)

usage:
./benchloop.sh

sample output
=========================================================
max reclaim 2
Running with 120*40 (== 4800) tasks.
Time: 34.177
14.17user 284.38system 1:43.85elapsed 287%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (3813major+148922minor)pagefaults 0swaps
max prepare time: 4599 0
max reclaim time: 2350 5781
total
8271
max reclaimer
4
max overkill
62131
max saved overkill
9740


max reclaimer represent to max parallel reclaim tasks.
total represetnto max consumption time of try_to_free_pages().

Thanks

Attachment: reclaim-throttle-3.patch
Description: Binary data

Attachment: benchloop.sh
Description: Binary data