> > > Even with this fix, the loopback netperf testing TCP-RR, still have > > > about 5% regresion on our 2 socket * 8 cores SNB machine. > > > which is your patchset includes all cleaning? wondering if that is helpful. > > > > Sorry, but that question fails to parse here. What were you asking? This patch partly fixed a performance regression that triggered by 4dcfe1025b513c2c, but issue still exists. > > Yes Alex. You need to elaborate your question. Regression to what kernel > etc? > > Also there is another known issue that's been addressed in -tip. Here is > that patch. https://lkml.org/lkml/2011/12/21/137 Thanks! I am testing whole tip changes against 3.2-rc6. On the 4dcfe1025b513c2c commit, seems interrupts is abnormal. So maybe above fix is suit for this issue. wait the results. -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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