From: Serge Hallyn <serge.hallyn-GeWIH/nMZzLQT0dZR+AlfA@public.gmane.org>
To: Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
Cc: Dave Shrinnker <david-FqsqvQoI3Ljby3iVrkZq2A@public.gmane.org>,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
hughd-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org,
Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Subject: Re: [PATCH v2 00/28] memcg-aware slab shrinking
Date: Mon, 1 Apr 2013 09:12:17 -0500 [thread overview]
Message-ID: <20130401141217.GA9336@sergelap> (raw)
In-Reply-To: <51598168.4050404-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
Quoting Glauber Costa (glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org):
> On 04/01/2013 04:38 PM, Serge Hallyn wrote:
> > Quoting Glauber Costa (glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org):
> >> Hi,
> >>
> >> Notes:
> >> ======
> >>
> >> This is v2 of memcg-aware LRU shrinking. I've been testing it extensively
> >> and it behaves well, at least from the isolation point of view. However,
> >> I feel some more testing is needed before we commit to it. Still, this is
> >> doing the job fairly well. Comments welcome.
> >
> > Do you have any performance tests (preferably with enough runs with and
> > without this patchset to show 95% confidence interval) to show the
> > impact this has? Certainly the feature sounds worthwhile, but I'm
> > curious about the cost of maintaining this extra state.
> >
> > -serge
> >
> Not yet. I intend to include them in my next run. I haven't yet decided
> on a set of tests to run (maybe just a memcg-contained kernel compile?)
>
> So if you have suggestions of what I could run to show this, feel free
> to lay them down here.
Perhaps mount a 4G tmpfs, copy kernel tree there, and build kernel on
that tmpfs?
-serge
next prev parent reply other threads:[~2013-04-01 14:12 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-29 9:13 [PATCH v2 00/28] memcg-aware slab shrinking Glauber Costa
[not found] ` <1364548450-28254-1-git-send-email-glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-03-29 9:13 ` [PATCH v2 01/28] super: fix calculation of shrinkable objects for small numbers Glauber Costa
[not found] ` <1364548450-28254-2-git-send-email-glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-01 7:16 ` Kamezawa Hiroyuki
2013-03-29 9:13 ` [PATCH v2 02/28] vmscan: take at least one pass with shrinkers Glauber Costa
2013-04-01 7:26 ` Kamezawa Hiroyuki
2013-04-01 8:10 ` Glauber Costa
[not found] ` <515940E4.8050704-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-10 5:09 ` Ric Mason
2013-04-10 7:32 ` Glauber Costa
2013-04-10 9:19 ` Dave Chinner
2013-04-08 8:42 ` Joonsoo Kim
2013-04-08 8:47 ` Glauber Costa
2013-04-08 9:01 ` Joonsoo Kim
2013-04-08 9:05 ` Glauber Costa
2013-04-09 0:55 ` Joonsoo Kim
[not found] ` <20130409005547.GC21654-Hm3cg6mZ9cc@public.gmane.org>
2013-04-09 1:29 ` Dave Chinner
2013-04-09 2:05 ` Joonsoo Kim
2013-04-09 7:43 ` Glauber Costa
[not found] ` <5163C6A5.5050307-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-09 9:08 ` Joonsoo Kim
[not found] ` <20130409020505.GA4218-Hm3cg6mZ9cc@public.gmane.org>
2013-04-09 12:30 ` Dave Chinner
2013-04-10 2:51 ` Joonsoo Kim
2013-04-10 7:30 ` Glauber Costa
[not found] ` <51651518.4010007-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-10 8:19 ` Joonsoo Kim
[not found] ` <20130410025115.GA5872-Hm3cg6mZ9cc@public.gmane.org>
2013-04-10 8:46 ` Wanpeng Li
2013-04-10 8:46 ` Wanpeng Li
[not found] ` <20130410084606.GA10235@hacker.(null)>
2013-04-10 10:07 ` Dave Chinner
2013-04-10 14:03 ` JoonSoo Kim
[not found] ` <CAAmzW4OMyZ=nVbHK_AiifPK5LVxvhOQUXmsD5NGfo33CBjf=eA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-04-11 0:41 ` Dave Chinner
2013-04-11 7:27 ` Wanpeng Li
2013-04-11 7:27 ` Wanpeng Li
[not found] ` <20130411072729.GA3605@hacker.(null)>
2013-04-11 9:25 ` Dave Chinner
2013-03-29 9:13 ` [PATCH v2 03/28] dcache: convert dentry_stat.nr_unused to per-cpu counters Glauber Costa
2013-04-05 1:09 ` Greg Thelen
[not found] ` <xr93r4ipkcl0.fsf-aSPv4SP+Du0KgorLzL7FmE7CuiCeIGUxQQ4Iyu8u01E@public.gmane.org>
2013-04-05 1:15 ` Dave Chinner
2013-04-08 9:14 ` Glauber Costa
2013-04-08 13:18 ` Glauber Costa
[not found] ` <51628A88.2090002-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-08 23:26 ` Dave Chinner
2013-04-09 8:02 ` Glauber Costa
[not found] ` <5163CB0D.1040000-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-09 12:47 ` Dave Chinner
2013-03-29 9:13 ` [PATCH v2 04/28] dentry: move to per-sb LRU locks Glauber Costa
2013-03-29 9:13 ` [PATCH v2 05/28] dcache: remove dentries from LRU before putting on dispose list Glauber Costa
[not found] ` <1364548450-28254-6-git-send-email-glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-03 6:51 ` Sha Zhengju
2013-04-03 8:55 ` Glauber Costa
2013-04-04 6:19 ` Dave Chinner
2013-04-04 6:56 ` Glauber Costa
2013-03-29 9:13 ` [PATCH v2 06/28] mm: new shrinker API Glauber Costa
2013-04-05 1:09 ` Greg Thelen
2013-03-29 9:13 ` [PATCH v2 07/28] shrinker: convert superblock shrinkers to new API Glauber Costa
2013-03-29 9:13 ` [PATCH v2 08/28] list: add a new LRU list type Glauber Costa
2013-04-04 21:53 ` Greg Thelen
2013-04-05 1:20 ` Dave Chinner
2013-04-05 8:01 ` Glauber Costa
2013-04-06 0:04 ` Dave Chinner
2013-03-29 9:13 ` [PATCH v2 09/28] inode: convert inode lru list to generic lru list code Glauber Costa
2013-03-29 9:13 ` [PATCH v2 10/28] dcache: convert to use new lru list infrastructure Glauber Costa
2013-04-08 13:14 ` Glauber Costa
[not found] ` <5162C2C4.7010807-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-08 23:28 ` Dave Chinner
2013-03-29 9:13 ` [PATCH v2 11/28] list_lru: per-node " Glauber Costa
2013-03-29 9:13 ` [PATCH v2 12/28] shrinker: add node awareness Glauber Costa
2013-03-29 9:13 ` [PATCH v2 13/28] fs: convert inode and dentry shrinking to be node aware Glauber Costa
2013-03-29 9:13 ` [PATCH v2 14/28] xfs: convert buftarg LRU to generic code Glauber Costa
2013-03-29 9:13 ` [PATCH v2 15/28] xfs: convert dquot cache lru to list_lru Glauber Costa
2013-03-29 9:13 ` [PATCH v2 16/28] fs: convert fs shrinkers to new scan/count API Glauber Costa
2013-03-29 9:13 ` [PATCH v2 17/28] drivers: convert shrinkers to new count/scan API Glauber Costa
2013-03-29 9:14 ` [PATCH v2 18/28] shrinker: convert remaining shrinkers to " Glauber Costa
2013-03-29 9:14 ` [PATCH v2 19/28] hugepage: convert huge zero page shrinker to new shrinker API Glauber Costa
2013-03-29 9:14 ` [PATCH v2 20/28] shrinker: Kill old ->shrink API Glauber Costa
2013-03-29 9:14 ` [PATCH v2 21/28] vmscan: also shrink slab in memcg pressure Glauber Costa
2013-04-01 7:46 ` Kamezawa Hiroyuki
2013-04-01 8:51 ` Glauber Costa
[not found] ` <1364548450-28254-22-git-send-email-glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-03 10:11 ` Sha Zhengju
2013-04-03 10:43 ` Glauber Costa
2013-04-04 9:35 ` Sha Zhengju
2013-04-05 8:25 ` Glauber Costa
2013-03-29 9:14 ` [PATCH v2 22/28] memcg,list_lru: duplicate LRUs upon kmemcg creation Glauber Costa
[not found] ` <1364548450-28254-23-git-send-email-glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-01 8:05 ` [PATCH v2 22/28] memcg, list_lru: " Kamezawa Hiroyuki
2013-04-01 8:22 ` [PATCH v2 22/28] memcg,list_lru: " Glauber Costa
2013-03-29 9:14 ` [PATCH v2 23/28] lru: add an element to a memcg list Glauber Costa
2013-04-01 8:18 ` Kamezawa Hiroyuki
2013-04-01 8:29 ` Glauber Costa
2013-03-29 9:14 ` [PATCH v2 24/28] list_lru: also include memcg lists in counts and scans Glauber Costa
2013-03-29 9:14 ` [PATCH v2 25/28] list_lru: per-memcg walks Glauber Costa
2013-03-29 9:14 ` [PATCH v2 26/28] memcg: per-memcg kmem shrinking Glauber Costa
2013-04-01 8:31 ` Kamezawa Hiroyuki
2013-04-01 8:48 ` Glauber Costa
[not found] ` <515949EB.7020400-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-01 9:01 ` Kamezawa Hiroyuki
2013-04-01 9:14 ` Glauber Costa
2013-04-01 9:35 ` Kamezawa Hiroyuki
2013-03-29 9:14 ` [PATCH v2 27/28] list_lru: reclaim proportionaly between memcgs and nodes Glauber Costa
2013-03-29 9:14 ` [PATCH v2 28/28] super: targeted memcg reclaim Glauber Costa
2013-04-01 12:38 ` [PATCH v2 00/28] memcg-aware slab shrinking Serge Hallyn
2013-04-01 12:45 ` Glauber Costa
[not found] ` <51598168.4050404-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2013-04-01 14:12 ` Serge Hallyn [this message]
2013-04-08 8:11 ` Glauber Costa
2013-04-02 4:58 ` Dave Chinner
2013-04-02 7:55 ` Glauber Costa
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