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Message-ID: <561084196.20130103214030@eikelenboom.it>
Date: Thu, 3 Jan 2013 21:40:30 +0100
From: Sander Eikelenboom <linux@...elenboom.it>
To: Rick Jones <rick.jones2@...com>
CC: Eric Dumazet <erdnetdev@...il.com>,
Ian Campbell <Ian.Campbell@...rix.com>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
annie li <annie.li@...cle.com>,
"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>
Subject: Re: [PATCH] xen/netfront: improve truesize tracking
Friday, December 21, 2012, 7:33:43 PM, you wrote:
> I'm guessing that trusize checks matter more on the "inbound" path than
> the outbound path? If that is indeed the case, then instead of, or in
> addition to using the -s option to set the local (netperf side) socket
> buffer size, you should use a -S option to set the remote (netserver
> side) socket buffer size.
> happy benchmarking,
> rick jones
OK, ran them with -S as well:
"current" is with netfront as is (skb->truesize += skb->data_len - RX_COPY_THRESHOLD;)
"patched" is with IanC's latest patch (skb->truesize += PAGE_SIZE * skb_shinfo(skb)->nr_frags;)
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. KBytes/sec
current 87380 16384 16384 60.00 963213.91
patched 87380 16384 16384 60.00 965904.01
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. KBytes/sec
current 2280 16384 16384 60.00 10029.44
patched 2280 16384 16384 60.00 10453.63
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. KBytes/sec
current 2280 16384 1432 60.00 10085.23
patched 2280 16384 1432 60.00 10089.98
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. KBytes/sec
current 18000 16384 16384 60.00 53644.35
patched 18000 16384 16384 60.00 51892.59
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. KBytes/sec
current 18000 16384 1432 60.00 37559.94
patched 18000 16384 1432 60.00 40630.66
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. KBytes/sec
current 28000 16384 16384 60.00 103766.68
patched 28000 16384 16384 60.00 93277.98
TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. KBytes/sec
current 28000 16384 1432 60.00 73494.97
patched 28000 16384 1432 60.00 65312.94
UDP UNIDIRECTIONAL SEND TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Socket Message Elapsed Messages
Size Size Time Okay Errors Throughput
bytes bytes secs # # KBytes/sec
current 212992 65507 60.00 252087 0 268773.83
current 212992 60.00 237435 253151.28
patched 212992 65507 60.00 254997 0 271876.61
patched 212992 60.00 226636 241637.51
UDP UNIDIRECTIONAL SEND TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Socket Message Elapsed Messages
Size Size Time Okay Errors Throughput
bytes bytes secs # # KBytes/sec
current 212992 65507 60.00 252586 0 269305.73
current 2280 60.00 229371 244553.96
patched 212992 65507 60.00 256209 0 273168.32
patched 2280 60.00 201670 215019.54
UDP UNIDIRECTIONAL SEND TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Socket Message Elapsed Messages
Size Size Time Okay Errors Throughput
bytes bytes secs # # KBytes/sec
current 212992 1432 60.00 5474009 0 127583.97
current 2280 60.00 4282184 99805.83
patched 212992 1432 60.00 5521903 0 128700.40
patched 2280 60.00 4522227 105400.70
UDP UNIDIRECTIONAL SEND TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Socket Message Elapsed Messages
Size Size Time Okay Errors Throughput
bytes bytes secs # # KBytes/sec
current 212992 65507 60.00 251315 0 267950.39
current 18000 60.00 227856 242938.94
patched 212992 65507 60.00 256529 0 273509.57
patched 18000 60.00 224780 239658.47
UDP UNIDIRECTIONAL SEND TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Socket Message Elapsed Messages
Size Size Time Okay Errors Throughput
bytes bytes secs # # KBytes/sec
current 212992 1432 60.00 5484882 0 127837.39
current 18000 60.00 5458678 127226.64
patched 212992 1432 60.00 5585209 0 130175.81
patched 18000 60.00 5560244 129593.94
UDP UNIDIRECTIONAL SEND TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Socket Message Elapsed Messages
Size Size Time Okay Errors Throughput
bytes bytes secs # # KBytes/sec
current 212992 65507 60.00 250322 0 266891.35
current 28000 60.00 191711 204401.50
patched 212992 65507 60.00 257466 0 274508.96
patched 28000 60.00 241620 257613.85
UDP UNIDIRECTIONAL SEND TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 192.168.1.1 (192.168.1.1) port 0 AF_INET : +/-2.500% @ 95% conf. : demo
Socket Message Elapsed Messages
Size Size Time Okay Errors Throughput
bytes bytes secs # # KBytes/sec
current 212992 1432 60.00 5532780 0 128953.85
current 28000 60.00 5507094 128355.17
patched 212992 1432 60.00 5576824 0 129980.46
patched 28000 60.00 5555917 129493.16
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