From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271090AbTHLUYo (ORCPT ); Tue, 12 Aug 2003 16:24:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271094AbTHLUYo (ORCPT ); Tue, 12 Aug 2003 16:24:44 -0400 Received: from shawidc-mo1.cg.shawcable.net ([24.71.223.10]:47433 "EHLO pd5mo3so.prod.shaw.ca") by vger.kernel.org with ESMTP id S271090AbTHLUYl (ORCPT ); Tue, 12 Aug 2003 16:24:41 -0400 Date: Tue, 12 Aug 2003 13:23:49 -0700 From: Ken Savage Subject: Re: High CPU load with kswapd and heavy disk I/O In-reply-to: <3F3943B9.7080700@vgertech.com> To: linux-kernel@vger.kernel.org Message-id: <200308121323.49081.kens1835@shaw.ca> MIME-version: 1.0 Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT Content-disposition: inline User-Agent: KMail/1.5 References: <200308121136.11979.kens1835@shaw.ca> <3F3943B9.7080700@vgertech.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue August 12 2003 12:44, Nuno Silva wrote: > Can you send before, during and after: > cat /proc/meminfo > cat /proc/slabinfo Can't send "during" because the system is completely locked up and unresponsive. There is no warning as to when it's about to bomb out on kswapd, so I can't provide anything resembling a "just before". OTOH, "after", I can since it just happened now! ;) AFTER: ----------- total: used: free: shared: buffers: cached: Mem: 3710840832 2703040512 1007800320 0 427081728 522944512 Swap: 2147467264 57257984 2090209280 MemTotal: 3623868 kB MemFree: 984180 kB MemShared: 0 kB Buffers: 417072 kB Cached: 470384 kB SwapCached: 40304 kB Active: 509216 kB Inactive: 1973064 kB HighTotal: 2752448 kB HighFree: 978908 kB LowTotal: 871420 kB LowFree: 5272 kB SwapTotal: 2097136 kB SwapFree: 2041220 kB slabinfo - version: 1.1 (SMP) kmem_cache 80 80 244 5 5 1 : 252 126 ip_conntrack 211 270 384 27 27 1 : 124 62 tcp_tw_bucket 19 90 128 3 3 1 : 252 126 tcp_bind_bucket 54 224 32 2 2 1 : 252 126 tcp_open_request 59 59 64 1 1 1 : 252 126 inet_peer_cache 4 59 64 1 1 1 : 252 126 ip_fib_hash 10 224 32 2 2 1 : 252 126 ip_dst_cache 12 120 192 6 6 1 : 252 126 arp_cache 6 60 128 2 2 1 : 252 126 blkdev_requests 384 390 128 13 13 1 : 252 126 nfs_write_data 0 0 384 0 0 1 : 124 62 nfs_read_data 0 0 384 0 0 1 : 124 62 nfs_page 0 0 128 0 0 1 : 252 126 journal_head 0 0 48 0 0 1 : 252 126 revoke_table 0 0 12 0 0 1 : 252 126 revoke_record 0 0 32 0 0 1 : 252 126 dnotify cache 0 0 20 0 0 1 : 252 126 file lock cache 1 42 92 1 1 1 : 252 126 fasync cache 0 0 16 0 0 1 : 252 126 uid_cache 2 112 32 1 1 1 : 252 126 skbuff_head_cache 328 640 192 32 32 1 : 252 126 sock 154 180 832 20 20 2 : 124 62 sigqueue 29 29 132 1 1 1 : 252 126 cdev_cache 12 177 64 3 3 1 : 252 126 bdev_cache 5 59 64 1 1 1 : 252 126 mnt_cache 14 118 64 2 2 1 : 252 126 inode_cache 33897 106547 512 15221 15221 1 : 124 62 dentry_cache 12195 12300 128 410 410 1 : 252 126 filp 2751 2790 128 93 93 1 : 252 126 names_cache 3 3 4096 3 3 1 : 60 30 buffer_head 223778 513540 128 17117 17118 1 : 252 126 mm_struct 180 180 192 9 9 1 : 252 126 vm_area_struct 2638 3030 128 101 101 1 : 252 126 fs_cache 76 236 64 4 4 1 : 252 126 files_cache 76 135 448 15 15 1 : 124 62 signal_act 90 117 1344 39 39 1 : 60 30 size-131072(DMA) 0 0 131072 0 0 32 : 0 0 size-131072 0 0 131072 0 0 32 : 0 0 size-65536(DMA) 0 0 65536 0 0 16 : 0 0 size-65536 0 0 65536 0 0 16 : 0 0 size-32768(DMA) 0 0 32768 0 0 8 : 0 0 size-32768 3 3 32768 3 3 8 : 0 0 size-16384(DMA) 0 0 16384 0 0 4 : 0 0 size-16384 12 12 16384 12 12 4 : 0 0 size-8192(DMA) 0 0 8192 0 0 2 : 0 0 size-8192 2 2 8192 2 2 2 : 0 0 size-4096(DMA) 0 0 4096 0 0 1 : 60 30 size-4096 182 182 4096 182 182 1 : 60 30 size-2048(DMA) 0 0 2048 0 0 1 : 60 30 size-2048 108 108 2048 54 54 1 : 60 30 size-1024(DMA) 0 0 1024 0 0 1 : 124 62 size-1024 172 172 1024 43 43 1 : 124 62 size-512(DMA) 0 0 512 0 0 1 : 124 62 size-512 360 360 512 45 45 1 : 124 62 size-256(DMA) 0 0 256 0 0 1 : 252 126 size-256 165 165 256 11 11 1 : 252 126 size-128(DMA) 0 0 128 0 0 1 : 252 126 size-128 570 570 128 19 19 1 : 252 126 size-64(DMA) 0 0 64 0 0 1 : 252 126 size-64 722 1534 64 26 26 1 : 252 126 size-32(DMA) 0 0 64 0 0 1 : 252 126 size-32 11868 12390 64 210 210 1 : 252 126