linux-kernel - [PATCH 0/4] memcg reclaim tracepoint v2

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Message-Id: <20100726120107.2EEE.A69D9226@jp.fujitsu.com>
Date:	Mon, 26 Jul 2010 12:02:13 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	LKML <linux-kernel@...r.kernel.org>, linux-mm <linux-mm@...ck.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Nishimura Daisuke <d-nishimura@....biglobe.ne.jp>,
	Balbir Singh <balbir@...ux.vnet.ibm.com>
Cc:	kosaki.motohiro@...fujitsu.com
Subject: [PATCH 0/4] memcg reclaim tracepoint v2


Recently, Mel Gorman added some vmscan tracepoint. but they can't
trace memcg. So, This patch series does.


Changelog since v1
 o drop all memcg bugfix and cleanups


diffstat
=========================
KOSAKI Motohiro (4):
  vmscan: convert direct reclaim tracepoint to DEFINE_TRACE
  memcg, vmscan: add memcg reclaim tracepoint
  vmscan: convert mm_vmscan_lru_isolate to DEFINE_EVENT
  memcg: add mm_vmscan_memcg_isolate tracepoint

 include/trace/events/vmscan.h |   79 +++++++++++++++++++++++++++++++++++++++--
 mm/memcontrol.c               |    6 +++
 mm/vmscan.c                   |   20 ++++++++++-
 3 files changed, 101 insertions(+), 4 deletions(-)

Sameple output is here.
=========================

              dd-1851  [001]   158.837763: mm_vmscan_memcg_reclaim_begin: order=0 may_writepage=1 gfp_flags=GFP_HIGHUSER_MOVABLE
              dd-1851  [001]   158.837783: mm_vmscan_memcg_isolate: isolate_mode=0 order=0 nr_requested=32 nr_scanned=32 nr_taken=32 contig_taken=0 contig_dirty=0 contig_failed=0
              dd-1851  [001]   158.837860: mm_vmscan_memcg_reclaim_end: nr_reclaimed=32
  (...)
              dd-1970  [000]   266.608235: mm_vmscan_wakeup_kswapd: nid=0 zid=1 order=0
              dd-1970  [000]   266.608239: mm_vmscan_wakeup_kswapd: nid=1 zid=1 order=0
              dd-1970  [000]   266.608248: mm_vmscan_wakeup_kswapd: nid=2 zid=1 order=0
         kswapd1-348   [001]   266.608254: mm_vmscan_kswapd_wake: nid=1 order=0
              dd-1970  [000]   266.608254: mm_vmscan_wakeup_kswapd: nid=3 zid=1 order=0
         kswapd3-350   [000]   266.608266: mm_vmscan_kswapd_wake: nid=3 order=0
  (...)
         kswapd0-347   [001]   267.328891: mm_vmscan_memcg_softlimit_reclaim_begin: order=0 may_writepage=1 gfp_flags=GFP_HIGHUSER_MOVABLE
         kswapd0-347   [001]   267.328897: mm_vmscan_memcg_isolate: isolate_mode=0 order=0 nr_requested=32 nr_scanned=32 nr_taken=32 contig_taken=0 contig_dirty=0 contig_failed=0
         kswapd0-347   [001]   267.328915: mm_vmscan_memcg_isolate: isolate_mode=0 order=0 nr_requested=32 nr_scanned=32 nr_taken=32 contig_taken=0 contig_dirty=0 contig_failed=0
         kswapd0-347   [001]   267.328989: mm_vmscan_memcg_softlimit_reclaim_end: nr_reclaimed=32
         kswapd0-347   [001]   267.329019: mm_vmscan_lru_isolate: isolate_mode=1 order=0 nr_requested=32 nr_scanned=32 nr_taken=32 contig_taken=0 contig_dirty=0 contig_failed=0
         kswapd0-347   [001]   267.330562: mm_vmscan_lru_isolate: isolate_mode=1 order=0 nr_requested=32 nr_scanned=32 nr_taken=32 contig_taken=0 contig_dirty=0 contig_failed=0
  (...)
         kswapd2-349   [001]   267.407081: mm_vmscan_kswapd_sleep: nid=2
         kswapd3-350   [001]   267.408077: mm_vmscan_kswapd_sleep: nid=3
         kswapd1-348   [000]   267.427858: mm_vmscan_kswapd_sleep: nid=1
         kswapd0-347   [001]   267.430064: mm_vmscan_kswapd_sleep: nid=0







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