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From: Sha Zhengju <handai.szj-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Kamezawa Hiroyuki
	<kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
Cc: linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	gthelen-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
	yinghan-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
	akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
	mhocko-AlSwsSmVLrQ@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Sha Zhengju <handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH 0/7] Per-cgroup page stat accounting
Date: Mon, 02 Jul 2012 15:51:02 +0800	[thread overview]
Message-ID: <4FF152E6.70009@gmail.com> (raw)
In-Reply-To: <4FED6604.9080603-+CUm20s59erQFUHtdCDX3A@public.gmane.org>

On 06/29/2012 04:23 PM, Kamezawa Hiroyuki wrote:
> (2012/06/28 19:54), Sha Zhengju wrote:
>> This patch series provide the ability for each memory cgroup to have independent
>> dirty/writeback page stats. This can provide some information for per-cgroup direct
>> reclaim. Meanwhile, we add more detailed dump messages for memcg OOMs.
>>
>> Three features are included in this patch series:
>>   (0).prepare patches for page accounting
>>    1. memcg dirty page accounting
>>    2. memcg writeback page accounting
>>    3. memcg OOMs dump info
>>
>> In (0) prepare patches, we have reworked vfs set page dirty routines to make "modify
>> page info" and "dirty page accouting" stay in one function as much as possible for
>> the sake of memcg bigger lock.
>>
>> These patches are cooked based on Andrew's akpm tree.
>>
> Thank you !, it seems good in general. I'll review in detail, later.
>
> Do you have any performance comparison between before/after the series ?
> I mean, set_page_dirty() is the hot-path and we should be careful to add a new accounting.


Not yet, I sent it out as soon as I worked out this solution to check
whether it's okay.
I can test the series after most of people agree with it.


Thanks,
Sha

      parent reply	other threads:[~2012-07-02  7:51 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-28 10:54 [PATCH 0/7] Per-cgroup page stat accounting Sha Zhengju
2012-06-28 10:58 ` [PATCH 2/7] memcg: remove MEMCG_NR_FILE_MAPPED Sha Zhengju
     [not found]   ` <1340881111-5576-1-git-send-email-handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org>
2012-07-02 10:44     ` Kamezawa Hiroyuki
2012-07-04 12:56   ` Michal Hocko
     [not found]     ` <20120704125608.GF29842-VqjxzfR4DlwKmadIfiO5sKVXKuFTiq87@public.gmane.org>
2012-07-04 12:58       ` Michal Hocko
2012-07-07 13:48   ` Fengguang Wu
2012-07-09 21:01   ` Greg Thelen
2012-07-11  8:00     ` Sha Zhengju
2012-06-28 11:01 ` [PATCH 3/7] Make TestSetPageDirty and dirty page accounting in one func Sha Zhengju
     [not found]   ` <1340881275-5651-1-git-send-email-handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org>
2012-07-02 11:14     ` Kamezawa Hiroyuki
2012-07-07 14:42       ` Fengguang Wu
2012-07-04 14:23   ` Michal Hocko
     [not found] ` <1340880885-5427-1-git-send-email-handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org>
2012-06-28 10:57   ` [PATCH 1/7] memcg: update cgroup memory document Sha Zhengju
2012-07-02  7:00     ` Kamezawa Hiroyuki
     [not found]     ` <1340881055-5511-1-git-send-email-handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org>
2012-07-04 12:47       ` Michal Hocko
2012-07-07 13:45       ` Fengguang Wu
2012-06-28 11:03   ` [PATCH 4/7] Use vfs __set_page_dirty interface instead of doing it inside filesystem Sha Zhengju
     [not found]     ` <1340881423-5703-1-git-send-email-handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org>
2012-06-29  5:21       ` Sage Weil
2012-07-02  8:10         ` Sha Zhengju
2012-07-02 14:49           ` Sage Weil
2012-07-04  8:11             ` Sha Zhengju
2012-07-05 15:20               ` Sage Weil
2012-07-05 15:40                 ` Sha Zhengju
2012-07-04 14:27     ` Michal Hocko
2012-06-28 11:04   ` [PATCH 5/7] memcg: add per cgroup dirty pages accounting Sha Zhengju
2012-07-03  5:57     ` Kamezawa Hiroyuki
2012-07-08 14:45       ` Fengguang Wu
     [not found]     ` <1340881486-5770-1-git-send-email-handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org>
2012-07-04 16:11       ` Michal Hocko
2012-07-09 21:02     ` Greg Thelen
2012-07-11  9:32       ` Sha Zhengju
     [not found]         ` <4FFD4822.4020300-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-07-19  6:33           ` Kamezawa Hiroyuki
2012-06-28 11:06   ` [PATCH 6/7] memcg: add per cgroup writeback " Sha Zhengju
     [not found]     ` <1340881562-5900-1-git-send-email-handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org>
2012-07-08 14:53       ` Fengguang Wu
2012-07-09  3:36         ` Sha Zhengju
     [not found]           ` <4FFA51AB.30203-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-07-09  4:14             ` Fengguang Wu
2012-07-09  4:18               ` Kamezawa Hiroyuki
     [not found]                 ` <4FFA5B7F.8030403-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2012-07-09  5:22                   ` Sha Zhengju
     [not found]                     ` <4FFA6AAE.8030700-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-07-09  5:28                       ` Fengguang Wu
2012-07-09  5:19               ` Sha Zhengju
2012-07-09  5:25                 ` Fengguang Wu
2012-07-09 21:02     ` Greg Thelen
2012-06-28 11:06   ` [PATCH 7/7] memcg: print more detailed info while memcg oom happening Sha Zhengju
     [not found]     ` <1340881609-5935-1-git-send-email-handai.szj-3b8fjiQLQpfQT0dZR+AlfA@public.gmane.org>
2012-07-04  8:25       ` Sha Zhengju
2012-07-04  8:29     ` Kamezawa Hiroyuki
     [not found]       ` <4FF3FED6.9010700-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2012-07-04 11:20         ` Sha Zhengju
2012-06-28 11:05 ` [PATCH 6/7] memcg: add per cgroup writeback pages accounting Sha Zhengju
2012-07-03  6:31   ` Kamezawa Hiroyuki
2012-07-04  8:24     ` Sha Zhengju
2012-07-08 14:44     ` Fengguang Wu
2012-07-08 23:01       ` Johannes Weiner
     [not found]         ` <20120708230100.GA5340-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2012-07-09  1:37           ` Fengguang Wu
2012-07-04 16:15   ` Michal Hocko
2012-06-29  8:23 ` [PATCH 0/7] Per-cgroup page stat accounting Kamezawa Hiroyuki
     [not found]   ` <4FED6604.9080603-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2012-07-02  7:51     ` Sha Zhengju [this message]

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