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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Andrew Hendry <andrew.hendry@gmail.com>
Cc: Jesper Dangaard Brouer <jdb@comx.dk>, netdev <netdev@vger.kernel.org>
Subject: Re: Loopback performance from kernel 2.6.12 to 2.6.37
Date: Tue, 09 Nov 2010 06:22:32 +0100	[thread overview]
Message-ID: <1289280152.2790.23.camel@edumazet-laptop> (raw)
In-Reply-To: <AANLkTi=HhouZymj0R7JsDy-X1LDbfT_WL0x10EMhdOho@mail.gmail.com>

Le mardi 09 novembre 2010 à 11:05 +1100, Andrew Hendry a écrit :
> results on an i7 860 @ 2.80Ghz machine, no virtualization involved. 2.6.37-rc1+
> 
> # time dd if=/dev/zero bs=1M count=10000 | netcat  127.0.0.1 9999
> 10000+0 records in
> 10000+0 records out
> 10485760000 bytes (10 GB) copied, 50.2022 s, 209 MB/s
> 
> 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




  reply	other threads:[~2010-11-09  5:22 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1288954189.28003.178.camel@firesoul.comx.local>
     [not found] ` <1288988955.2665.297.camel@edumazet-laptop>
     [not found]   ` <1289213926.15004.19.camel@firesoul.comx.local>
     [not found]     ` <1289214289.2820.188.camel@edumazet-laptop>
2010-11-08 15:06       ` Loopback performance from kernel 2.6.12 to 2.6.37 Eric Dumazet
2010-11-09  0:05         ` Andrew Hendry
2010-11-09  5:22           ` Eric Dumazet [this message]
2010-11-09  6:23             ` Eric Dumazet
2010-11-09  6:30               ` Andrew Hendry
2010-11-09  6:38                 ` Eric Dumazet
2010-11-09  6:42                   ` Eric Dumazet
2010-11-09 13:59         ` Jesper Dangaard Brouer
2010-11-09 14:06           ` Eric Dumazet
2010-11-09 14:16           ` Jesper Dangaard Brouer
2010-11-09 14:25             ` Eric Dumazet
2010-11-18 13:52               ` Eric Dumazet
2010-11-18 17:41                 ` Eric Dumazet
2010-11-18 17:48                   ` David Miller
2010-11-09 14:38             ` Jesper Dangaard Brouer
2010-11-10 11:24               ` Jesper Dangaard Brouer
2010-12-12 15:48                 ` Arnaldo Carvalho de Melo
2010-11-09 21:35 Xose Vazquez Perez
2010-11-10  8:49 ` Jesper Dangaard Brouer

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