From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761367AbYLQMi5 (ORCPT ); Wed, 17 Dec 2008 07:38:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751728AbYLQMcw (ORCPT ); Wed, 17 Dec 2008 07:32:52 -0500 Received: from minas.ics.muni.cz ([147.251.4.40]:32828 "EHLO minas.ics.muni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760293AbYLQMcv (ORCPT ); Wed, 17 Dec 2008 07:32:51 -0500 Date: Wed, 17 Dec 2008 13:33:07 +0100 From: Lukas Hejtmanek To: Wu Fengguang Cc: "linux-kernel@vger.kernel.org" , Bill Davidsen Subject: Re: 2.6.28-rc8 big regression in VM Message-ID: <20081217123307.GF4480@ics.muni.cz> References: <20081212183810.GA4390@ics.muni.cz> <20081213012115.GA6250@localhost> <20081213095815.GA7143@ics.muni.cz> <20081215011645.GA9707@localhost> <20081215094409.GA4422@ics.muni.cz> <20081216045938.GA1000@localhost> <20081216195219.GA4480@ics.muni.cz> <20081217122726.GA21356@localhost> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="6sX45UoQRIJXqkqR" Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20081217122726.GA21356@localhost> X-echelon: NSA, CIA, CI5, MI5, FBI, KGB, BIS, Plutonium, Bin Laden, bomb User-Agent: Mutt/1.5.18 (2008-05-17) X-Muni-Spam-TestIP: 147.251.3.109 X-Muni-Envelope-From: xhejtman@anubis.ics.muni.cz X-Muni-Virus-Test: Clean X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-3.0 (minas.ics.muni.cz [147.251.4.35]); Wed, 17 Dec 2008 13:32:43 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --6sX45UoQRIJXqkqR Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: 8bit On Wed, Dec 17, 2008 at 08:27:26PM +0800, Wu Fengguang wrote: > It looks like most of cached pages were successfully freed: > > 247788 => 69856 pages > > To get more concrete numbers, could you send more info by running the > following commands? > > cp /proc/meminfo meminfo-1 > cp /proc/vmstat vmstat-1 > sync > echo 3 > /proc/sys/vm/drop_caches > cp /proc/meminfo meminfo-2 > cp /proc/vmstat vmstat-2 attached. -- Lukáš Hejtmánek --6sX45UoQRIJXqkqR Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: attachment; filename=meminfo-1 MemTotal: 2016688 kB MemFree: 22680 kB Buffers: 238592 kB Cached: 1087428 kB SwapCached: 0 kB Active: 1016536 kB Inactive: 798812 kB Active(anon): 412044 kB Inactive(anon): 150708 kB Active(file): 604492 kB Inactive(file): 648104 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 1542232 kB SwapFree: 1542232 kB Dirty: 108 kB Writeback: 0 kB AnonPages: 489448 kB Mapped: 73380 kB Slab: 114192 kB SReclaimable: 97304 kB SUnreclaim: 16888 kB PageTables: 11304 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 2550576 kB Committed_AS: 818488 kB VmallocTotal: 34359738367 kB VmallocUsed: 332160 kB VmallocChunk: 34359375355 kB DirectMap4k: 49856 kB DirectMap2M: 2004992 kB --6sX45UoQRIJXqkqR Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: attachment; filename=meminfo-2 MemTotal: 2016688 kB MemFree: 1306652 kB Buffers: 360 kB Cached: 129516 kB SwapCached: 0 kB Active: 428240 kB Inactive: 190976 kB Active(anon): 411084 kB Inactive(anon): 150708 kB Active(file): 17156 kB Inactive(file): 40268 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 1542232 kB SwapFree: 1542232 kB Dirty: 48 kB Writeback: 0 kB AnonPages: 489452 kB Mapped: 73384 kB Slab: 26188 kB SReclaimable: 9576 kB SUnreclaim: 16612 kB PageTables: 11368 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 2550576 kB Committed_AS: 818488 kB VmallocTotal: 34359738367 kB VmallocUsed: 332160 kB VmallocChunk: 34359375355 kB DirectMap4k: 49856 kB DirectMap2M: 2004992 kB --6sX45UoQRIJXqkqR Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: attachment; filename=vmstat-1 nr_free_pages 5641 nr_inactive_anon 37677 nr_active_anon 103027 nr_inactive_file 162028 nr_active_file 151124 nr_unevictable 0 nr_mlock 0 nr_anon_pages 122347 nr_mapped 18345 nr_file_pages 331510 nr_dirty 28 nr_writeback 0 nr_slab_reclaimable 24326 nr_slab_unreclaimable 4222 nr_page_table_pages 2842 nr_unstable 0 nr_bounce 0 nr_vmscan_write 40 nr_writeback_temp 0 pgpgin 5916295 pgpgout 1320556 pswpin 0 pswpout 0 pgalloc_dma 22382 pgalloc_dma32 12834037 pgalloc_normal 0 pgalloc_movable 0 pgfree 12862318 pgactivate 347671 pgdeactivate 164209 pgfault 14972192 pgmajfault 30587 pgrefill_dma 1054 pgrefill_dma32 163155 pgrefill_normal 0 pgrefill_movable 0 pgsteal_dma 32 pgsteal_dma32 885851 pgsteal_normal 0 pgsteal_movable 0 pgscan_kswapd_dma 32 pgscan_kswapd_dma32 905956 pgscan_kswapd_normal 0 pgscan_kswapd_movable 0 pgscan_direct_dma 0 pgscan_direct_dma32 3104 pgscan_direct_normal 0 pgscan_direct_movable 0 pginodesteal 0 slabs_scanned 126976 kswapd_steal 885060 kswapd_inodesteal 10067 pageoutrun 12199 allocstall 11 pgrotated 3 unevictable_pgs_culled 21 unevictable_pgs_scanned 0 unevictable_pgs_rescued 22 unevictable_pgs_mlocked 22 unevictable_pgs_munlocked 22 unevictable_pgs_cleared 0 unevictable_pgs_stranded 0 unevictable_pgs_mlockfreed 0 --6sX45UoQRIJXqkqR Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: attachment; filename=vmstat-2 nr_free_pages 326668 nr_inactive_anon 37677 nr_active_anon 102771 nr_inactive_file 10041 nr_active_file 4345 nr_unevictable 0 nr_mlock 0 nr_anon_pages 122363 nr_mapped 18346 nr_file_pages 32505 nr_dirty 20 nr_writeback 0 nr_slab_reclaimable 2392 nr_slab_unreclaimable 4153 nr_page_table_pages 2842 nr_unstable 0 nr_bounce 0 nr_vmscan_write 40 nr_writeback_temp 0 pgpgin 5916963 pgpgout 1320888 pswpin 0 pswpout 0 pgalloc_dma 22397 pgalloc_dma32 12843648 pgalloc_normal 0 pgalloc_movable 0 pgfree 13192960 pgactivate 347736 pgdeactivate 164209 pgfault 14973258 pgmajfault 30595 pgrefill_dma 1054 pgrefill_dma32 163155 pgrefill_normal 0 pgrefill_movable 0 pgsteal_dma 32 pgsteal_dma32 885851 pgsteal_normal 0 pgsteal_movable 0 pgscan_kswapd_dma 32 pgscan_kswapd_dma32 905956 pgscan_kswapd_normal 0 pgscan_kswapd_movable 0 pgscan_direct_dma 0 pgscan_direct_dma32 3104 pgscan_direct_normal 0 pgscan_direct_movable 0 pginodesteal 0 slabs_scanned 374272 kswapd_steal 885060 kswapd_inodesteal 10067 pageoutrun 12199 allocstall 11 pgrotated 3 unevictable_pgs_culled 21 unevictable_pgs_scanned 0 unevictable_pgs_rescued 22 unevictable_pgs_mlocked 22 unevictable_pgs_munlocked 22 unevictable_pgs_cleared 0 unevictable_pgs_stranded 0 unevictable_pgs_mlockfreed 0 --6sX45UoQRIJXqkqR--