From: Rik van Riel <riel@redhat.com>
To: Mel Gorman <mgorman@suse.de>
Cc: Alexey Lyahkov <alexey.lyashkov@gmail.com>,
Andrew Perepechko <anserper@ya.ru>,
Robin Dong <sanbai@taobao.com>, Theodore Tso <tytso@mit.edu>,
Andrew Morton <akpm@linux-foundation.org>,
Hugh Dickins <hughd@google.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Bernd Schubert <bernd.schubert@fastmail.fm>,
David Howells <dhowells@redhat.com>,
Trond Myklebust <Trond.Myklebust@netapp.com>,
Linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Linux-ext4 <linux-ext4@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux-mm <linux-mm@kvack.org>
Subject: Re: [PATCH 1/4] mm: Add tracepoints for LRU activation and insertions
Date: Wed, 15 May 2013 13:39:22 -0400 [thread overview]
Message-ID: <5193C84A.8020802@redhat.com> (raw)
In-Reply-To: <1368440482-27909-2-git-send-email-mgorman@suse.de>
On 05/13/2013 06:21 AM, Mel Gorman wrote:
> Using these tracepoints it is possible to model LRU activity and the
> average residency of pages of different types. This can be used to
> debug problems related to premature reclaim of pages of particular
> types.
>
> Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
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next prev parent reply other threads:[~2013-05-15 17:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-13 10:21 [PATCH 0/4] Obey mark_page_accessed hint given by filesystems v2 Mel Gorman
2013-05-13 10:21 ` [PATCH 1/4] mm: Add tracepoints for LRU activation and insertions Mel Gorman
2013-05-15 17:39 ` Rik van Riel [this message]
2013-05-13 10:21 ` [PATCH 2/4] mm: pagevec: Defer deciding what LRU to add a page to until pagevec drain time Mel Gorman
2013-05-15 22:53 ` Andrew Morton
2013-05-16 14:29 ` Mel Gorman
2013-05-13 10:21 ` [PATCH 3/4] mm: Activate !PageLRU pages on mark_page_accessed if page is on local pagevec Mel Gorman
2013-05-15 17:40 ` Rik van Riel
2013-05-15 22:55 ` Andrew Morton
2013-05-16 13:41 ` Mel Gorman
2013-05-20 22:09 ` Andrew Morton
2013-05-13 10:21 ` [PATCH 4/4] mm: Remove lru parameter from __pagevec_lru_add and remove parts of pagevec API Mel Gorman
2013-05-15 17:46 ` Rik van Riel
2013-05-15 22:56 ` Andrew Morton
2013-05-16 14:19 ` Mel Gorman
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