Messages in this thread | | | From | yong w <> | Date | Sat, 4 Dec 2021 19:23:20 +0800 | Subject | Re: [PATCH linux-next] delayacct: track delays from memory compact |
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Sorry, the patch has something wrong. I'll resend the patch later.
Thanks!
Andrew Morton <akpm@linux-foundation.org> 于2021年12月4日周六 05:02写道: > > On Fri, 3 Dec 2021 06:37:52 -0800 yongw.pur@gmail.com wrote: > > > From: wangyong <wang.yong12@zte.com.cn> > > > > Delay accounting does not track the delay of memory compact. > > When there is not enough free memory, tasks can spend > > a amount of their time waiting for memory compact. > > > > To get the impact of tasks in direct memory compact, measure > > the delay when allocating memory through memory compact. > > > > ... > > > > --- a/include/linux/delayacct.h > > +++ b/include/linux/delayacct.h > > @@ -42,8 +42,13 @@ struct task_delay_info { > > u64 thrashing_start; > > u64 thrashing_delay; /* wait for thrashing page */ > > > > + u64 compact_start; > > + u64 compact_delay; /* wait for memory compact */ > > + > > + u64 freepages_start; > > task_delay_info already has a freepages_start, so it fails to compile. > > Did you send the correct version? >
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