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Date
SubjectRe: bad networking related lag in v2.6.22-rc2
From
From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 21 May 2007 10:12:01 +0200

> and ... you already did a trace for Thomas, for the softirq problem:
>
> http://cybertek.info/taitai/trace.txt.bz2
>
> this trace shows really bad networking related kernel activities!
>
> gkrellm-5977 does this at timestamp 0:
>
> gkrellm-5977 0..s. 0us : cond_resched_softirq (established_get_next)

So it's not the 3c59x bug :-)

If you have a lot of sockets, there is not way to make
the performance of dumping /proc/net/tcp not suck, use
the netlink socket dumping which is:

1) more efficient even for full dumps
2) allows filtering for the best possible performance
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