netdev - Re: CPU utilization increased in 2.6.27rc

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Date:	Wed, 13 Aug 2008 22:03:35 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Andrew Gallatin <gallatin@...i.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	robert@...ur.slu.se
Subject: Re: CPU utilization increased in 2.6.27rc

Andrew Gallatin <gallatin@...i.com> 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.

-Andi
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