From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263679AbUACTyE (ORCPT ); Sat, 3 Jan 2004 14:54:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263772AbUACTyE (ORCPT ); Sat, 3 Jan 2004 14:54:04 -0500 Received: from citrine.spiritone.com ([216.99.193.133]:9143 "EHLO citrine.spiritone.com") by vger.kernel.org with ESMTP id S263679AbUACTxz (ORCPT ); Sat, 3 Jan 2004 14:53:55 -0500 Date: Sat, 03 Jan 2004 11:53:46 -0800 From: "Martin J. Bligh" To: Jens Axboe cc: linux-kernel Subject: Re: Long pauses (IO?) whilst ripping DVDs Message-ID: <37670000.1073159626@[10.10.2.4]> In-Reply-To: <20040103122614.GW5523@suse.de> References: <2950000.1073111086@[10.10.2.4]> <20040103122614.GW5523@suse.de> X-Mailer: Mulberry/2.2.1 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org OK, here's a capture of data from when the system is being a little bit slow to respond, though nothing as bad as I'd managed to recreate earlier. There's a vmstat 5, mixed with a grab of some fields from /proc/meminfo, and the dentry_cache from slabinfo (every 5 seconds). M. 3 0 0 0 3516 217260 93480 0 0 384 139 1017 9551 96 4 0 MemTotal: 513060 kB MemFree: 3068 kB Buffers: 217644 kB Cached: 93616 kB Active: 363024 kB Inactive: 121000 kB Dirty: 1256 kB Slab: 20628 kB dentry_cache 6969 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 5 0 0 0 3516 216776 93956 0 0 487 142 1010 9285 96 4 0 MemTotal: 513060 kB MemFree: 3132 kB Buffers: 217160 kB Cached: 94068 kB Active: 361808 kB Inactive: 122188 kB Dirty: 1852 kB Slab: 20588 kB dentry_cache 6969 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 6 0 0 0 3132 217912 93320 0 0 384 88 1012 10023 95 5 0 MemTotal: 513060 kB MemFree: 3580 kB Buffers: 217404 kB Cached: 93312 kB Active: 367352 kB Inactive: 116136 kB Dirty: 2480 kB Slab: 20572 kB dentry_cache 6969 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 4 0 0 0 3580 217388 93420 0 0 384 146 1008 9426 97 3 0 MemTotal: 513060 kB MemFree: 3132 kB Buffers: 217772 kB Cached: 93540 kB Active: 366492 kB Inactive: 117592 kB Dirty: 3104 kB Slab: 20508 kB dentry_cache 6969 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 procs memory swap io system cpu r b w swpd free buff cache si so bi bo in cs us sy id 6 0 0 0 3068 217712 93684 0 0 384 263 1044 9347 96 4 0 MemTotal: 513060 kB MemFree: 3452 kB Buffers: 216740 kB Cached: 94224 kB Active: 364408 kB Inactive: 119300 kB Dirty: 3764 kB Slab: 20472 kB dentry_cache 7087 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 3 0 0 0 3388 216740 94224 0 0 384 140 1008 9362 96 4 0 7 0 0 0 3132 216672 94732 0 0 385 180 1035 10069 95 5 0 MemTotal: 513060 kB MemFree: 3132 kB Buffers: 216672 kB Cached: 94740 kB Active: 370508 kB Inactive: 113648 kB Dirty: 120 kB Slab: 20432 kB dentry_cache 7039 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 7 0 0 0 3516 215996 94992 0 0 410 114 1047 9273 97 3 0 MemTotal: 513060 kB MemFree: 3516 kB Buffers: 215996 kB Cached: 95000 kB Active: 368980 kB Inactive: 114760 kB Dirty: 712 kB Slab: 20416 kB dentry_cache 7039 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 5 0 0 0 3004 216720 94808 0 0 384 109 1047 8724 97 3 0 MemTotal: 513060 kB MemFree: 3004 kB Buffers: 216720 kB Cached: 94812 kB Active: 367984 kB Inactive: 116328 kB Dirty: 1280 kB Slab: 20388 kB dentry_cache 6991 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 4 1 0 0 3580 215780 95168 0 0 385 141 1064 9814 95 5 0 MemTotal: 513060 kB MemFree: 3580 kB Buffers: 215780 kB Cached: 95180 kB Active: 373840 kB Inactive: 109896 kB Dirty: 1848 kB Slab: 20344 kB dentry_cache 6991 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 3 0 0 0 3580 215240 95612 0 0 384 162 1088 9067 96 4 0 MemTotal: 513060 kB MemFree: 3580 kB Buffers: 215240 kB Cached: 95640 kB Active: 372108 kB Inactive: 111524 kB Dirty: 2396 kB Slab: 20332 kB dentry_cache 6981 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 6 0 0 0 3132 215536 95956 0 0 384 142 1092 9009 96 4 0 MemTotal: 513060 kB MemFree: 3132 kB Buffers: 215536 kB Cached: 95964 kB Active: 371216 kB Inactive: 113040 kB Dirty: 2888 kB Slab: 20328 kB 4 1 0 0 3180 215376 96120 0 0 385 134 1120 8516 96 4 0 7 0 0 0 3892 214932 95792 0 0 307 122 1133 9362 95 5 0 dentry_cache 7045 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 3 0 0 0 3252 215608 95836 0 0 384 157 1090 9001 96 4 0 MemTotal: 513060 kB MemFree: 3132 kB Buffers: 215248 kB Cached: 96364 kB Active: 373324 kB Inactive: 111048 kB Dirty: 1372 kB Slab: 20160 kB dentry_cache 6986 13848 160 24 1 : tunables 240 120 0 : slabdata 577 577 0 4 0 0 0 3132 215248 96364 0 0 486 121 1013 9666 96 4 0 MemTotal: 513060 kB MemFree: 3580 kB Buffers: 214292 kB Cached: 96856 kB Active: 371812 kB Inactive: 112104 kB Dirty: 1988 kB Slab: 20132 kB dentry_cache 6973 13824 160 24 1 : tunables 240 120 0 : slabdata 576 576 0 4 0 0 0 3516 214292 96868 0 0 385 142 1016 9716 96 4 0 5 0 0 0 3132 214212 97448 0 0 384 97 1012 9989 95 5 0 MemTotal: 513060 kB MemFree: 3132 kB Buffers: 214212 kB Cached: 97448 kB Active: 378272 kB Inactive: 106156 kB Dirty: 2596 kB Slab: 20136 kB dentry_cache 6973 13824 160 24 1 : tunables 240 120 0 : slabdata 576 576 0 7 0 0 0 3516 213268 98032 0 0 384 122 1053 9592 96 4 0 MemTotal: 513060 kB MemFree: 3068 kB Buffers: 213652 kB Cached: 98136 kB Active: 376808 kB Inactive: 107752 kB Dirty: 3264 kB Slab: 20084 kB dentry_cache 6925 13824 160 24 1 : tunables 240 120 0 : slabdata 576 576 0 4 0 0 0 3068 213220 98620 0 0 384 229 1011 9324 96 4 0 MemTotal: 513060 kB MemFree: 3196 kB Buffers: 213064 kB Cached: 98668 kB Active: 375136 kB Inactive: 109364 kB Dirty: 272 kB Slab: 20056 kB dentry_cache 6877 13824 160 24 1 : tunables 240 120 0 : slabdata 576 576 0 5 0 0 0 2940 214224 97712 0 0 487 75 1015 10150 96 4 0 MemTotal: 513060 kB MemFree: 3580 kB Buffers: 213572 kB Cached: 97676 kB Active: 380592 kB Inactive: 103428 kB Dirty: 856 kB Slab: 20048 kB dentry_cache 6877 13824 160 24 1 : tunables 240 120 0 : slabdata 576 576 0 5 0 0 0 4284 212984 97660 0 0 358 141 1011 9356 96 4 0 MemTotal: 513060 kB MemFree: 3452 kB Buffers: 213752 kB Cached: 97768 kB Active: 379736 kB Inactive: 104556 kB Dirty: 1516 kB Slab: 20004 kB dentry_cache 6829 13800 160 24 1 : tunables 240 120 0 : slabdata 575 575 0 5 0 0 0 3132 213588 98224 0 0 486 133 1025 9466 97 3 0 MemTotal: 513060 kB MemFree: 3004 kB Buffers: 213596 kB Cached: 98344 kB Active: 378700 kB Inactive: 106016 kB Dirty: 2160 kB Slab: 19972 kB dentry_cache 6781 13800 160 24 1 : tunables 240 120 0 : slabdata 575 575 0 3 0 0 0 3452 212884 98568 0 0 385 111 1034 9482 96 4 0 5 1 0 0 3196 212700 99124 0 0 384 139 1011 10499 96 4 0 MemTotal: 513060 kB MemFree: 3132 kB Buffers: 212700 kB Cached: 99124 kB Active: 383052 kB Inactive: 101552 kB Dirty: 3236 kB Slab: 19976 kB dentry_cache 6733 13800 160 24 1 : tunables 240 120 0 : slabdata 575 575 0 procs memory swap io system cpu r b w swpd free buff cache si so bi bo in cs us sy id 4 0 0 0 3580 211712 99664 0 0 384 271 1057 9218 96 4 0 MemTotal: 513060 kB MemFree: 3580 kB Buffers: 211712 kB Cached: 99676 kB Active: 381532 kB Inactive: 102636 kB Dirty: 180 kB Slab: 19904 kB dentry_cache 6721 13800 160 24 1 : tunables 240 120 0 : slabdata 575 575 0 5 0 0 0 3060 211684 100180 0 0 386 149 1010 9284 97 3 0 MemTotal: 513060 kB MemFree: 3060 kB Buffers: 211688 kB Cached: 100180 kB Active: 380560 kB Inactive: 104176 kB Dirty: 844 kB Slab: 19912 kB dentry_cache 6835 13800 160 24 1 : tunables 240 120 0 : slabdata 575 575 0 4 0 0 0 3636 211812 99488 0 0 389 142 1009 9396 96 4 0 MemTotal: 513060 kB MemFree: 3636 kB Buffers: 211812 kB Cached: 99504 kB Active: 383504 kB Inactive: 100596 kB Dirty: 1452 kB Slab: 19912 kB dentry_cache 6835 13800 160 24 1 : tunables 240 120 0 : slabdata 575 575 0 5 0 0 0 3812 211472 99664 0 0 307 117 1179 9565 95 5 0 MemTotal: 513060 kB MemFree: 3812 kB Buffers: 211472 kB Cached: 99684 kB Active: 385308 kB Inactive: 98632 kB Dirty: 1980 kB Slab: 19976 kB dentry_cache 6787 13800 160 24 1 : tunables 240 120 0 : slabdata 575 575 0 4 0 0 0 3396 212056 99884 0 0 461 118 1036 9283 96 4 0