Re: [Bug #11308] tbench regression on each kernel release from 2.6.22 -> 2.6.28

[Eric Dumazet]

Christoph Lameter a écrit :

AIM9 results:
                TCP             UDP
2.6.22          104868.00       489970.03
2.6.28-rc5      110007.00       518640.00
net-next        108207.00       514790.00

net-next looses here for some reason against 2.6.28-rc5. But the numbers
are better than 2.6.22 in any case.

I found that on current net-next, running oprofile in background can give 
better bench
results. Thats really curious... no ?


So the single loop on close(socket()), on all my 8 cpus is almost 10% faster if 
oprofile
is running... (20 secs instead of 23 secs)


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