My somewhat confusing netperf script (to run on client) is attached below. Server just requires to run netserver. Client is not completely accurate since I am not using netperf4 (moving to that after some initial hiccups).
thanks, - KK (See attached file: netperf.scp) J Hadi Salim <[EMAIL PROTECTED]> wrote on 06/06/2007 07:19:21 PM: > Folks, > > While Krishna and I have been attempting this on the side, progress has > been rather slow - so this is to solicit for more participation so we > can get this over with faster. Success (myself being conservative when > it comes to performance) requires testing on a wide variety of hardware. > > The results look promising - certainly from a pktgen perspective where > performance has been known in some cases to go up over 50%. > Tests by Sridhar on a low number of TCP flows also indicate improved > performance as well as lowered CPU use. > > I have setup the current state of my patches against Linus tree at: > git://git.kernel.org/pub/scm/linux/kernel/git/hadi/batch-lin26.git > > This is also clean against 2.6.22-rc4. So if you want just a diff that > will work against 2.6.22-rc4 - i can send it to you. > I also have a tree against Daves net-2.6 at > git://git.kernel.org/pub/scm/linux/kernel/git/hadi/batch-net26.git > but iam abandoning that effort until we get this stable due to the > occasional bug that cropped up(like e1000). > > I am attaching a pktgen script. There is one experimental parameter > called "batch_low" - for starters just leave it at 0 in order to reduce > experimental variance. If you have solid results you can muck around > with it. > KK has a netperf script he has been using - if you know netperf your > help will really be appreciated in testing it on your hardware. > KK, can you please post your script? > Testing with forwarding and bridging will also be appreaciated. > Above that, suggestions to changes as long as they are based on > verifiable results or glaringly obvious changes are welcome. My > preference at the moment is to flesh out the patch as is and then > improve on it later if it shows it has some value on a wide variety of > apps. As the subject is indicating this is a WIP and as all eulas > suggest "subject to change without notice". > If you help out, when you post your results, can you please say what > hardware and setup was? > > The only real driver that has been changed is e1000 for now. KK is > working on something infiniband related and i plan (if noone beats me) > to get tg3 working. It would be nice if someone converted some 10G > ethernet driver. > > cheers, > jamal > [attachment "pktgen.batch-1-1" deleted by Krishna Kumar2/India/IBM]
netperf.scp
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