From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: Loopback performance from kernel 2.6.12 to 2.6.37
Date: Tue, 09 Nov 2010 06:22:32 +0100
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Cc: Jesper Dangaard Brouer <jdb@comx.dk>,
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To: Andrew Hendry <andrew.hendry@gmail.com>
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Le mardi 09 novembre 2010 =C3=A0 11:05 +1100, Andrew Hendry a =C3=A9cri=
t :
> results on an i7 860 @ 2.80Ghz machine, no virtualization involved. 2=
=2E6.37-rc1+
>=20
> # time dd if=3D/dev/zero bs=3D1M count=3D10000 | netcat  127.0.0.1 99=
99
> 10000+0 records in
> 10000+0 records out
> 10485760000 bytes (10 GB) copied, 50.2022 s, 209 MB/s
>=20
> real	0m50.210s
> user	0m1.094s
> sys	0m57.589s

Thanks !

Could you take a pef snapshot during the test ?

# perf record -a -g sleep 10
# perf report