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Date: Tue, 06 May 2014 09:41:14 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: V JobNickname <workofv@...il.com> Cc: netdev@...r.kernel.org Subject: Re: Is 3.18 patch "The tcp: TSO packets automatic sizing" will cause to Troughput drop when enable NO_HZ_IDEL or HIGH_RES_TIMERS ? On Tue, 2014-05-06 at 09:30 -0700, Eric Dumazet wrote: > I cant see any effect for this patch explaining a 50% reduction in > speed, unless a special qdisc setup maybe. Oh wait, a buggy driver could explain the problem. Some drivers really expected TX completion to happen as a side effect of subsequent transmits. You'll have to give more details on the configuration you are using. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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