Date: Sun, 12 Nov 2006 23:54:37 -0500 From: Mike Tancsa <mike@sentex.net> To: Scott Long <scottl@samsco.org> Cc: freebsd-net <freebsd-net@freebsd.org>, glebius@freebsd.org, freebsd-stable@freebsd.org, Jack Vogel <jfvogel@gmail.com> Subject: Re: Proposed 6.2 em RELEASE patch Message-ID: <200611130454.kAD4sZwe041556@lava.sentex.ca> In-Reply-To: <4557EF13.9060305@samsco.org> References: <2a41acea0611081719h31be096eu614d2f2325aff511@mail.gmail.com> <200611091536.kA9FaltD018819@lava.sentex.ca> <45534E76.6020906@samsco.org> <200611092200.kA9M0q1E020473@lava.sentex.ca> <200611102004.kAAK4iO9027778@lava.sentex.ca> <2a41acea0611101400w5b8cef40ob84ed6de181f3e2c@mail.gmail.com> <200611102221.kAAML6ol028630@lava.sentex.ca> <455570D8.6070000@samsco.org> <200611120412.kAC4CuIB035746@lava.sentex.ca> <45574ECA.4080207@samsco.org> <200611130040.kAD0etbp040637@lava.sentex.ca> <4557CECD.2000609@samsco.org> <200611130158.kAD1wdKE040908@lava.sentex.ca> <4557EF13.9060305@samsco.org>
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At 11:05 PM 11/12/2006, Scott Long wrote:
>Mike Tancsa wrote:
>>However, if I turn on fastforwarding, its back to the old behavior
>>with it locking up. This was with the stock driver. I will try the
>>same test with
>>#define EM_FAST_INTR 1
>>as well as taking out the nfs option from the kernel
>>driver. Anything else to tune with ?
>> ---Mike
>
>Would you mind going so far as to adding NO_ADAPTIVE_MUTEXES? This is
Wow, it totally survives 2 streams (2 in one direction or 2 in
opposite directions)... AND it almost can survive a 3rd! It does seem
to be dropping packets on em1 when I add in a second stream blasting
in the same direction, but its survives. You can see at ** I add in
the second stream, and the outbound on em1 drops, even though more
packets are going through. I stop the second stream then add a
stream going in the other direction. Oddly enough, with a UP kernel
it cant do 2 streams, just the one. I thought the extra locking on
SMP would make it worse ? In this case it seems no.
em0 em1 bge1
Kbps in Kbps out Kbps in Kbps out Kbps in Kbps out
0.00 0.00 0.00 0.00 0.47 1.17
0.00 0.00 0.00 0.00 0.47 1.17
0.00 0.00 0.00 0.00 0.94 1.17
184837.3 0.00 0.00 184634.5 0.47 1.17
416856.2 0.00 0.00 416232.3 0.94 1.17
414080.2 0.00 0.00 413829.7 0.47 1.17
415656.3 0.00 0.00 415449.1 1.40 1.17
413015.0 0.00 0.00 412519.6 0.94 1.17
415094.8 0.00 0.00 414795.6 1.87 1.17
415548.6 0.00 0.00 415323.7 0.47 1.17
416629.6 0.00 0.00 416046.7 1.40 1.17
417032.5 0.00 0.00 416854.1 0.47 1.17
416606.9 0.00 0.00 416217.9 0.94 1.17
591084.4 0.00 0.00 307308.9 0.47 1.17**
692232.6 0.00 0.00 248915.3 1.41 2.34
692837.6 0.00 0.00 248765.0 0.47 1.17
690216.7 0.00 0.00 245400.2 1.26 1.59
697517.9 0.00 0.00 245689.7 0.94 2.34
697039.0 0.00 0.00 245553.8 1.40 3.09
697424.1 0.00 0.00 244360.9 0.47 1.17
692166.5 0.00 0.00 245316.4 0.94 1.17
697102.3 0.00 0.00 244969.0 0.47 1.17
560005.0 0.00 0.00 329704.8 0.94 3.09
405189.2 0.00 0.00 404969.8 0.94 1.17
417511.0 0.00 0.00 416902.5 0.47 1.17
415029.0 0.00 0.00 414745.3 0.94 1.17
411610.7 15798.46 49760.74 347870.8 0.94 1.17
417520.1 55251.77 174393.0 187379.1 1.40 2.34
414477.5 56203.05 174188.7 185302.4 0.47 1.17
em0 em1 bge1
Kbps in Kbps out Kbps in Kbps out Kbps in Kbps out
416985.7 55063.17 174285.5 186733.5 0.94 2.34
415291.6 55358.65 174493.7 184466.1 1.41 5.01
409410.6 57657.47 174494.3 186945.9 0.94 1.17
417197.4 55271.79 173405.6 189667.3 0.94 3.09
415310.8 55503.47 174283.4 186058.0 0.94 1.17
417290.4 55983.99 174279.4 185274.7 0.94 4.59
418032.6 55648.61 174424.4 186057.0 0.94 1.17
416777.8 55283.73 174886.1 185034.6 0.47 1.17
414412.4 33989.34 105397.4 276853.1 0.94 1.17
416477.8 0.00 0.00 415984.6 0.47 1.17
416656.7 0.00 0.00 416117.0 0.94 1.17
416527.4 0.00 0.00 416372.2 0.47 1.17
250260.8 0.00 0.00 250029.2 0.94 1.17
0.00 0.00 0.00 0.00 0.47 1.17
0.00 0.00 0.00 0.00 0.94 1.17
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