From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Daniel Blueman" Date: Mon, 09 Aug 2004 09:22:24 +0000 Subject: Re: [2.6.7, ia64] continual memory leak at ~102kB/s... Message-Id: <9720.1092043344@www20.gmx.net> List-Id: References: <20040806145451.GI17188@holomorphy.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: William Lee Irwin III Cc: linux-ia64@vger.kernel.org, davidm@napali.hpl.hp.com, linux-kernel@vger.kernel.org > On Fri, Aug 06, 2004 at 04:44:18PM +0200, Daniel Blueman wrote: > > When running 2.6.7 on a generic ia64 system, I see memory being leaked > in > > the kernel. Most of the fancy (preempt, hot-plug procs, ...) features > are > > disabled, and the system in a quiescent state [1]. > > /proc/meminfo shows the memory as unaccounted for [2], so it seems > likely it > > has been kmalloc()d somehere. A small script shows memory disappearing > at > > 102kB/s [3]. > > Anyone else seen this on ia64? >=20 > Could you dump /proc/slabinfo? Sampling /proc/slabinfo and again after 30 minutes while the system is quiescent, nothing looks suspicious: tcp_tw_bucket 0 0 tcp_bind_bucket 12 1129 tcp_open_request 0 0 -inet_peer_cache 0 0 +inet_peer_cache 1 668 ip_fib_hash 11 1309 -ip_dst_cache 11 177 +ip_dst_cache 14 177 arp_cache 2 253 raw4_sock 0 0 udp_sock 6 81 tcp_sock 18 44 flow_cache 0 0 -scsi_cmd_cache 11 129 +scsi_cmd_cache 2 129 nfs_write_data 36 85 nfs_read_data 32 88 nfs_inode_cache 16 72 @@ -23,8 +23,8 @@ isofs_inode_cache 0 0 fat_inode_cache 1 104 ext2_inode_cache 0 0 -journal_handle 18 885 -journal_head 26 574 +journal_handle 16 885 +journal_head 18 574 revoke_table 2 1559 revoke_record 0 0 ext3_inode_cache 981 1080 @@ -45,42 +45,42 @@ sgpool-64 32 62 sgpool-32 32 62 sgpool-16 32 121 -sgpool-8 41 232 +sgpool-8 32 232 cfq_pool 64 798 crq_pool 0 0 deadline_drq 0 0 -as_arq 25 474 +as_arq 16 474 blkdev_ioc 18 1129 blkdev_queue 28 75 -blkdev_requests 25 225 +blkdev_requests 16 225 biovec-(256) 256 270 biovec-128 256 279 biovec-64 256 310 biovec-16 256 464 biovec-4 256 727 -biovec-1 265 1559 -bio 265 536 -sock_inode_cache 40 100 -skbuff_head_cache 268 506 +biovec-1 256 1559 +bio 256 536 +sock_inode_cache 39 100 +skbuff_head_cache 267 506 sock 2 110 -proc_inode_cache 171 216 -sigqueue 0 404 +proc_inode_cache 177 216 +sigqueue 0 0 radix_tree_node 644 696 bdev_cache 5 85 mnt_cache 23 474 inode_cache 1369 1482 -dentry_cache 3031 3150 -filp 223 478 -names_cache 10 15 +dentry_cache 3038 3150 +filp 230 478 +names_cache 15 15 idr_layer_cache 31 118 -buffer_head 13792 13936 -mm_struct 35 130 -vm_area_struct 508 648 +buffer_head 13888 13936 +mm_struct 34 130 +vm_area_struct 500 648 fs_cache 36 727 files_cache 37 154 signal_cache 74 503 sighand_cache 65 123 -anon_vma 292 1309 +anon_vma 291 1309 size-131072(DMA) 0 0 size-131072 0 0 size-65536(DMA) 0 0 @@ -92,17 +92,17 @@ size-8192(DMA) 0 0 size-8192 25 32 size-4096(DMA) 0 0 -size-4096 315 315 +size-4096 314 315 size-2048(DMA) 0 0 -size-2048 176 186 +size-2048 175 186 size-1024(DMA) 0 0 size-1024 219 682 size-512(DMA) 0 0 -size-512 496 38720 +size-512 495 38720 size-256(DMA) 0 0 -size-256 1094 25984 +size-256 1092 25984 size-128(DMA) 0 0 size-128 2201 6800 size-64(DMA) 0 0 -size-64 2527 103961 +size-64 2521 103961 kmem_cache 120 169 --=20 Daniel J Blueman NEU: WLAN-Router f=FCr 0,- EUR* - auch f=FCr DSL-Wechsler! GMX DSL =3D superg=FCnstig & kabellos http://www.gmx.net/de/go/dsl