* Re: kernel performance update - 2.6.14-rc3
[not found] <200510052115.j95LFgg07836@unix-os.sc.intel.com>
@ 2005-10-06 10:32 ` Andi Kleen
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From: Andi Kleen @ 2005-10-06 10:32 UTC (permalink / raw)
To: Chen, Kenneth W; +Cc: linux-kernel, netdev
"Chen, Kenneth W" <kenneth.w.chen@intel.com> writes:
> Even though
> softirq is invoked at the end of dev_queue_xmit() via local_bh_enable(),
> not all execution of softirq will result a __wake_up(). With higher
> HZ rate, timer interrupt is more frequent and thus more softirq
> invocation and leads to more __wake_up(), which then takes us to higher
> throughput because cpu spend less time in idle.
This sounds like a serious bug somewhere if true.
-Andi
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[not found] <200510052115.j95LFgg07836@unix-os.sc.intel.com>
2005-10-06 10:32 ` kernel performance update - 2.6.14-rc3 Andi Kleen
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