On Sat, 2014-02-08 at 22:36 +0100, Thomas Glanzmann wrote: > Hello Eric, > > > I was simply thinking about something like : > > (might need further changes, but I guess this should solve your case) > > thank you for your patch. It did not apply on top of Linux tip, so I put > in the changes manually and fixed up another call to tx_data that your > forgot in your initial patch to make it apply. > > I gave it another run, can you confirm that it now behaves better? > > https://thomas.glanzmann.de/tmp/tcp_auto_corking_on_patched_tcp_more.pcap.bz2 > > And look at that roundtrip graph it is perfect. Also filesystem is now > created in 3 seconds instead of 4. Yes, this is much better : 2 frames per request/response, instead of 4. 13:32:04.665367 IP 10.101.0.12.43418 > 10.101.99.5.3260: Flags [P.], seq 384:432, ack 2529, win 514, options [nop,nop,TS val 1576981 ecr 4294913967], length 48 13:32:04.665483 IP 10.101.99.5.3260 > 10.101.0.12.43418: Flags [P.], seq 2529:3089, ack 432, win 235, options [nop,nop,TS val 4294913967 ecr 1576981], length 560 13:32:04.665642 IP 10.101.0.12.43418 > 10.101.99.5.3260: Flags [P.], seq 432:480, ack 3089, win 514, options [nop,nop,TS val 1576981 ecr 4294913967], length 48 13:32:04.665756 IP 10.101.99.5.3260 > 10.101.0.12.43418: Flags [P.], seq 3089:3649, ack 480, win 235, options [nop,nop,TS val 4294913967 ecr 1576981], length 560 13:32:04.665933 IP 10.101.0.12.43418 > 10.101.99.5.3260: Flags [P.], seq 480:528, ack 3649, win 514, options [nop,nop,TS val 1576981 ecr 4294913967], length 48 13:32:04.666046 IP 10.101.99.5.3260 > 10.101.0.12.43418: Flags [P.], seq 3649:4209, ack 528, win 235, options [nop,nop,TS val 4294913967 ecr 1576981], length 560 13:32:04.666214 IP 10.101.0.12.43418 > 10.101.99.5.3260: Flags [P.], seq 528:576, ack 4209, win 514, options [nop,nop,TS val 1576981 ecr 4294913967], length 48 13:32:04.666333 IP 10.101.99.5.3260 > 10.101.0.12.43418: Flags [P.], seq 4209:4769, ack 576, win 235, options [nop,nop,TS val 4294913967 ecr 1576981], length 560 13:32:04.666678 IP 10.101.0.12.43418 > 10.101.99.5.3260: Flags [P.], seq 576:624, ack 4769, win 514, options [nop,nop,TS val 1576981 ecr 4294913967], length 48 13:32:04.666790 IP 10.101.99.5.3260 > 10.101.0.12.43418: Flags [P.], seq 4769:5329, ack 624, win 235, options [nop,nop,TS val 4294913967 ecr 1576981], length 560 13:32:04.666983 IP 10.101.0.12.43418 > 10.101.99.5.3260: Flags [P.], seq 624:672, ack 5329, win 514, options [nop,nop,TS val 1576981 ecr 4294913967], length 48 13:32:04.667097 IP 10.101.99.5.3260 > 10.101.0.12.43418: Flags [P.], seq 5329:5889, ack 672, win 235, options [nop,nop,TS val 4294913967 ecr 1576981], length 560 13:32:04.667280 IP 10.101.0.12.43418 > 10.101.99.5.3260: Flags [P.], seq 672:720, ack 5889, win 514, options [nop,nop,TS val 1576981 ecr 4294913967], length 48 13:32:04.667324 IP 10.101.99.5.3260 > 10.101.0.12.43418: Flags [P.], seq 5889:6449, ack 720, win 235, options [nop,nop,TS val 4294913967 ecr 1576981], length 560 13:32:04.667500 IP 10.101.0.12.43418 > 10.101.99.5.3260: Flags [P.], seq 720:768, ack 6449, win 514, options [nop,nop,TS val 1576981 ecr 4294913967], length 48 13:32:04.667540 IP 10.101.99.5.3260 > 10.101.0.12.43418: Flags [P.], seq 6449:7009, ack 768, win 235, options [nop,nop,TS val 4294913967 ecr 1576981], length 560 -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
