Subject: Re: CPU utilization increased in 2.6.27rc

From: Andrew Gallatin <[email-masked]>
Date: Wed, 13 Aug 2008 16:36:27 -0400

Andi Kleen wrote:
> Andrew Gallatin <[email-masked]> writes:
>> 8363      6.5081  vmlinux                  _raw_spin_lock
>> 5612      4.3672  oprofiled                (no symbols)
>> 4420      3.4396  ehci_hcd                 (no symbols)
>> 4325      3.3657  vmlinux                  handle_IRQ_event
>> 3688      2.8700  vmlinux                  default_idle
>> 3164      2.4622  vmlinux                  nv_start_xmit_optimized
>> 3092      2.4062  vmlinux                  sk_run_filter
>                                              ^^^^^^^^^^^^^
> 
> Looks like you have one of those nasty dhcpcds running that
> always open a raw socket and intercept everything using a filter?
> I always hoped those would disappear eventually and just
> bind to the proper protocol, but they seem to refuse dying.

Yeah, the box is running an ancient CENTOS4, so the dhcpcd
is pretty old.

Drew