From: Minchan Kim <minchan@kernel.org>
To: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
<linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>,
Sangseok Lee <sangseok.lee@lge.com>,
Chanho Min <chanho.min@lge.com>,
Chan Gyun Jeong <chan.jeong@lge.com>
Subject: Re: [PATCH] mm: add NR_ZSMALLOC to vmstat
Date: Fri, 3 Jun 2016 17:23:36 +0900 [thread overview]
Message-ID: <20160603082336.GA18488@bbox> (raw)
In-Reply-To: <20160603080141.GA490@swordfish>
Hello,
On Fri, Jun 03, 2016 at 05:01:41PM +0900, Sergey Senozhatsky wrote:
> On (06/03/16 11:08), Minchan Kim wrote:
> > Now, zram is very popular for some of embedded world(e.g., TV, mobile
> > phone). On those system, zsmalloc consumed memory size is never trivial
> > (one of example from real product system, total memory: 800M, zsmalloc
> > consumed: 150M), so we have used this out of tree patch to monitor system
> > memory behavior via /proc/vmstat.
> >
> > With zsmalloc in vmstat, it helps tracking down system behavior by
> > memory usage.
>
> Hello,
>
> may be use zsmalloc stats file instead? as far as I know, you keep
> zsmalloc stats enabled in production anyway.
It doesn't support per-zone stat which is important to show
the fragmentation of the zone, for exmaple.
next prev parent reply other threads:[~2016-06-03 8:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-03 2:08 [PATCH] mm: add NR_ZSMALLOC to vmstat Minchan Kim
2016-06-03 8:01 ` Sergey Senozhatsky
2016-06-03 8:23 ` Minchan Kim [this message]
2016-06-03 10:24 ` Sergey Senozhatsky
2016-06-07 1:43 ` Minchan Kim
2016-06-09 1:40 ` Sergey Senozhatsky
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