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Date: Mon, 1 Dec 2008 21:19:49 +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>, Balbir Singh <balbir@...ux.vnet.ibm.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>, Rik van Riel <riel@...hat.com> Cc: kosaki.motohiro@...fujitsu.com Subject: [PATCH 11/11] memcg: show reclaim_stat added following four field to memory.stat file. - recent_rotated_anon - recent_rotated_file - recent_scanned_anon - recent_scanned_file it is useful for memcg reclaim debugging. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> --- mm/memcontrol.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) Index: b/mm/memcontrol.c =================================================================== --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1799,6 +1799,31 @@ static int mem_control_stat_show(struct cb->fill(cb, "inactive_ratio", mem_cont->inactive_ratio); + { + int nid, zid; + struct mem_cgroup_per_zone *mz; + unsigned long recent_rotated[2] = {0, 0}; + unsigned long recent_scanned[2] = {0, 0}; + + for_each_online_node(nid) + for (zid = 0; zid < MAX_NR_ZONES; zid++) { + mz = mem_cgroup_zoneinfo(mem_cont, nid, zid); + + recent_rotated[0] += + mz->reclaim_stat.recent_rotated[0]; + recent_rotated[1] += + mz->reclaim_stat.recent_rotated[1]; + recent_scanned[0] += + mz->reclaim_stat.recent_scanned[0]; + recent_scanned[1] += + mz->reclaim_stat.recent_scanned[1]; + } + cb->fill(cb, "recent_rotated_anon", recent_rotated[0]); + cb->fill(cb, "recent_rotated_file", recent_rotated[1]); + cb->fill(cb, "recent_scanned_anon", recent_scanned[0]); + cb->fill(cb, "recent_scanned_file", recent_scanned[1]); + } + return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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