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SubjectRe: ksoftirqd using mysteriously high amounts of CPU time
Brad Laue wrote:
> Hopefully the attached shows some irregularity. If not, I'll have to
> reply back in a few weeks when the problem recurs over the course of time.

And without further ado, the attachment. It's been a long day. :)

Brad
c0122bf0 current_kernel_time 2 0.0312
c0122d20 local_bh_enable 2 0.0139
c0137800 unlock_page 2 0.0208
c013ef10 __kmalloc 2 0.0156
c0155630 mark_buffer_dirty 2 0.0250
c0165760 poll_freewait 2 0.0250
c01df2b0 xfs_ichgtime 2 0.0075
c0202780 linvfs_get_block_core 2 0.0027
c0205310 linvfs_write 2 0.0069
c0216e90 fast_copy_page 2 0.0078
c0244b90 tty_write 2 0.0030
c0246020 tty_poll 2 0.0156
c0248670 n_tty_receive_buf 2 0.0005
c024b1e0 pty_unthrottle 2 0.0208
c024b240 pty_write 2 0.0043
c0109354 system_call 3 0.0682
c0152e70 vfs_write 3 0.0099
c0157cd0 alloc_buffer_head 3 0.0312
c01657b0 __pollwait 3 0.0144
c016e100 dnotify_parent 3 0.0156
c01b1e50 xfs_bmapi 3 0.0006
c024a3a0 normal_poll 3 0.0088
c0107090 cpu_idle 4 0.0625
c0153e60 fget 4 0.0625
c0165c60 sys_select 4 0.0032
c0216e30 fast_clear_page 4 0.0417
c0139280 generic_file_aio_write_nolock 5 0.0019
c0209d60 xfs_write 6 0.0028
c011ba10 __wake_up 7 0.0729
c0165960 do_select 8 0.0111
c0249920 read_chan 9 0.0042
c0156170 __block_prepare_write 12 0.0117
c02173c0 __copy_from_user_ll 12 0.0938
c010b570 handle_IRQ_event 13 0.1161
c0187210 write_profile 14 0.2188
c011b3c0 schedule 15 0.0107
c0217350 __copy_to_user_ll 47 0.4196
c0122c80 do_softirq 136 0.8500
c0107030 default_idle 9222 192.1250
00000000 total 9611 0.0063
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