[Bridge] Performance problem with linux bridge ... compare kernel 2.6.13.4 to 2.6.15.1

Stephen Hemminger shemminger at osdl.org
Mon Jan 30 09:12:15 PST 2006


On Sun, 29 Jan 2006 23:48:23 +0100
Paweł Staszewski <pstaszewski at artcom.pl> wrote:

> With kernel 2.6.13.4 linux bridge with traffic management for 4000users 
> and 20.4 MB/s(tx)/22.4 MB/s(rx) data load of CPU is max 50%
> With kernel 2.6.15.1 the same linux bridge with the same traffic has 
> 100% CPU load and in top I have ksoftirqd proccess.

Nothing jumps out as major changes. Could you get a profile?

If you really want to drill down then using git bisect will really
help find the offending patch.



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