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