search for: __find_get_block_slow

Displaying 5 results from an estimated 5 matches for "__find_get_block_slow".

2006 Mar 08
2
too much cpu system time with kernel 2.6.9-22.0.2.EL
...r interrupt samples % symbol name 21117 36.5340 default_idle 3850 6.6608 __copy_from_user_ll 3108 5.3771 find_get_page 1707 2.9532 __copy_user_intel 1580 2.7335 __might_sleep 1356 2.3460 handle_IRQ_event 1323 2.2889 __copy_to_user_ll 1168 2.0207 __find_get_block_slow 1134 1.9619 __find_get_block 1093 1.8910 finish_task_switch 963 1.6661 bh_lru_install 638 1.1038 __wake_up 605 1.0467 __do_softirq This is CRAZY! How can default_idle be sucking away cycles when the system is (should be) cpubound? Can anyone explain this? David
2006 Apr 29
0
troubleshooting kernel crash?
...:05:07 nx05 kernel: 00000000 0029005a 00000000 df002a80 c016bdb7 00001000 00000000 df73b800 Apr 29 15:05:07 nx05 kernel: 0029005a 00000000 df002a80 c016bde6 00001000 df73b800 cfc14bf4 00000000 Apr 29 15:05:07 nx05 kernel: Call Trace: Apr 29 15:05:07 nx05 kernel: [<c016a705>] __find_get_block_slow+0x4b/0x1c6 Apr 29 15:05:07 nx05 kernel: [<c016bdb7>] __find_get_block+0x89/0xa5 Apr 29 15:05:07 nx05 kernel: [<c016bde6>] __getblk+0x13/0x49 Apr 29 15:05:07 nx05 kernel: [<e09298e3>] ext3_get_inode_loc+0x4f/0x223 [ext3] Apr 29 15:05:07 nx05 kernel: [<e0929b45>] ext3_rea...
2018 Sep 14
1
Re: NUMA issues on virtualized hosts
...8936K kmalloc-4096 and this is /proc/$PID/stack of iozone eating CPU but not writing data. [<ffffffffba78151b>] find_get_entry+0x1b/0x100 [<ffffffffba781de0>] pagecache_get_page+0x30/0x2a0 [<ffffffffc06ec12b>] ext4_da_get_block_prep+0x27b/0x440 [ext4] [<ffffffffba840d8b>] __find_get_block_slow+0x3b/0x150 [<ffffffffba840ebd>] unmap_underlying_metadata+0x1d/0x70 [<ffffffffc06ec960>] ext4_block_write_begin+0x2e0/0x520 [ext4] [<ffffffffc06ebeb0>] ext4_inode_attach_jinode.part.72+0xa0/0xa0 [ext4] [<ffffffffc041f9f9>] jbd2__journal_start+0xd9/0x1e0 [jbd2] [<ffffffffb...
2008 Apr 14
8
zaptel 1.4.10 regression with TE220B on Proliant DL380 G5 ?
...] do_cciss_request+0x32c/0x337 [cciss] [<f88ccff0>] __split_bio+0x408/0x418 [dm_mod] [<f88cd6a6>] dm_request+0xce/0xd4 [dm_mod] [<c04d6a81>] generic_make_request+0x248/0x258 [<c04d8734>] submit_bio+0xbf/0xc5 [<c04548e2>] find_get_page+0x18/0x38 [<c04719ad>] __find_get_block_slow+0xfb/0x105 [<c0471cea>] __find_get_block+0x15c/0x166 [<c0471cea>] __find_get_block+0x15c/0x166 [<c0471d24>] __getblk+0x30/0x270 [<f885a485>] journal_cancel_revoke+0x8a/0x96 [jbd] [<f885a472>] journal_cancel_revoke+0x77/0x96 [jbd] [<f885626f>] __journal_file...
2018 Sep 14
3
NUMA issues on virtualized hosts
Hello, I have cluster with AMD EPYC 7351 cpu. Two CPUs per node. I have performance 8-NUMA configuration: This is from hypervizor: [root@hde10 ~]# lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 64 On-line CPU(s) list: 0-63 Thread(s) per core: 2 Core(s) per socket: 16 Socket(s): 2 NUMA