Re: Coldfire uClinux ram usage
Greg Ungerer <[email protected]> Tue, 12 Aug 2008 13:32:23 +1000
| Newsgroups | gmane.comp.hardware.motorola.microcontrollers.coldfire |
|---|---|
| Message-ID | <[email protected]> |
Hi Stan, Stan Marly wrote: > Did you see something wrong in my slabinfo ? Hmm, no, can't say anything looks out of place there to me. A dump of /proc/slabinfo before and after the event might be useful to compare. Regards Greg >> -----Message d'origine----- >> De : Stan Marly >> Envoyé : vendredi 18 juillet 2008 18:42 >> À : '[email protected]' >> Objet : RE: [ColdFire] Coldfire uClinux ram usage >> >> Hi Greg, >> >> Thanks for your help. Any explanation or any advices on >> memory management would help a lot! >> Best regards, >> Stan >> >> Here is the meminfo before etcl: >> >> # cat /proc/meminfo >> total: used: free: shared: buffers: cached: >> Mem: 13246464 2576384 10670080 0 200704 245760 >> Swap: 0 0 0 >> MemTotal: 12936 kB >> MemFree: 10420 kB >> MemShared: 0 kB >> Buffers: 196 kB >> Active: 264 kB >> Inactive: 172 kB >> HighTotal: 0 kB >> HighFree: 0 kB >> LowTotal: 12936 kB >> LowFree: 10420 kB >> SwapTotal: 0 kB >> SwapFree: 0 kB >> >> >> Here is the meminfo/slabinfo after etcl: >> # cat /proc/slabinfo >> slabinfo - version: 1.1 >> kmem_cache 68 72 108 2 2 1 >> ip_fib_hash 9 203 16 1 1 1 >> tcp_tw_bucket 0 0 96 0 0 1 >> tcp_bind_bucket 5 113 32 1 1 1 >> tcp_open_request 0 59 64 0 1 1 >> inet_peer_cache 0 0 48 0 0 1 >> ip_dst_cache 4 22 176 1 1 1 >> arp_cache 1 40 96 1 1 1 >> blkdev_requests 512 520 96 13 13 1 >> jffs2_inode_cache 27 169 20 1 1 1 >> jffs2_node_frag 342 406 16 2 2 1 >> jffs2_raw_node_ref 584 609 16 3 3 1 >> jffs2_tmp_dnode 0 508 12 0 2 1 >> jffs2_raw_inode 0 56 68 0 1 1 >> jffs2_raw_dirent 0 0 40 0 0 1 >> jffs2_full_dnode 347 406 16 2 2 1 >> dnotify_cache 0 0 20 0 0 1 >> file_lock_cache 0 42 92 0 1 1 >> fasync_cache 0 0 16 0 0 1 >> uid_cache 0 0 32 0 0 1 >> skbuff_head_cache 6 24 160 1 1 1 >> sock 13 18 864 2 2 2 >> sigqueue 0 29 132 0 1 1 >> kiobuf 0 0 64 0 0 1 >> cdev_cache 70 78 48 1 1 1 >> bdev_cache 3 59 64 1 1 1 >> mnt_cache 9 59 64 1 1 1 >> inode_cache 177 184 464 23 23 1 >> dentry_cache 204 210 112 6 6 1 >> filp 38 70 112 2 2 1 >> names_cache 0 2 4096 0 2 1 >> buffer_head 432 440 96 11 11 1 >> mm_struct 10 35 112 1 1 1 >> vm_area_struct 0 0 80 0 0 1 >> fs_cache 9 113 32 1 1 1 >> files_cache 10 18 416 2 2 1 >> signal_act 12 15 1296 4 5 1 >> size-1048576(DMA) 0 0 1048576 0 0 256 >> size-1048576 1 1 1048576 1 1 256 >> size-524288(DMA) 0 0 524288 0 0 128 >> size-524288 2 2 524288 2 2 128 >> size-262144(DMA) 0 0 262144 0 0 64 >> size-262144 0 0 262144 0 0 64 >> size-131072(DMA) 0 0 131072 0 0 32 >> size-131072 3 3 131072 3 3 32 >> size-65536(DMA) 0 0 65536 0 0 16 >> size-65536 14 14 65536 14 14 16 >> size-32768(DMA) 0 0 32768 0 0 8 >> size-32768 19 19 32768 19 19 8 >> size-16384(DMA) 0 0 16384 0 0 4 >> size-16384 27 27 16384 27 27 4 >> size-8192(DMA) 0 0 8192 0 0 2 >> size-8192 42 43 8192 42 43 2 >> size-4096(DMA) 0 0 4096 0 0 1 >> size-4096 313 313 4096 313 313 1 >> size-2048(DMA) 0 0 2048 0 0 1 >> size-2048 14 18 2048 7 9 1 >> size-1024(DMA) 0 0 1024 0 0 1 >> size-1024 13 16 1024 4 4 1 >> size-512(DMA) 0 0 512 0 0 1 >> size-512 3 8 512 1 1 1 >> size-256(DMA) 0 0 256 0 0 1 >> size-256 15 30 256 1 2 1 >> size-128(DMA) 0 0 128 0 0 1 >> size-128 842 870 128 29 29 1 >> size-64(DMA) 0 0 64 0 0 1 >> size-64 90 118 64 2 2 1 >> size-32(DMA) 0 0 32 0 0 1 >> size-32 1055 1130 32 10 10 1 >> # >> >> Total of buffers = 6,6 Mbytes that is different from the >> 9Mbytes 'used' reported by meminfo. >> >> # cat /proc/meminfo >> total: used: free: shared: buffers: cached: >> Mem: 13246464 9072640 4173824 0 229376 1744896 >> Swap: 0 0 0 >> MemTotal: 12936 kB >> MemFree: 4076 kB >> MemShared: 0 kB >> Buffers: 224 kB >> Active: 572 kB >> Inactive: 1356 kB >> HighTotal: 0 kB >> HighFree: 0 kB >> LowTotal: 12936 kB >> LowFree: 4076 kB >> SwapTotal: 0 kB >> SwapFree: 0 kB >> # >> >> > --- > [email protected] Send a post to the list. > [email protected] Join the list. > [email protected] Join the list in digest mode. > [email protected] Leave the list. > > -- ------------------------------------------------------------------------ Greg Ungerer -- Chief Software Dude EMAIL: [email protected] Secure Computing Corporation PHONE: +61 7 3435 2888 825 Stanley St, FAX: +61 7 3891 3630 Woolloongabba, QLD, 4102, Australia WEB: http://www.SnapGear.com --- [email protected] Send a post to the list. [email protected] Join the list. [email protected] Join the list in digest mode. [email protected] Leave the list.