Proposed 6.2 em RELEASE patch

[Mike Tancsa]

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