Thread (1 message) 1 message, 1 author, 2005-10-06

Re: kernel performance update - 2.6.14-rc3

From: Andi Kleen <hidden>
Date: 2005-10-06 10:32:15
Also in: lkml

"Chen, Kenneth W" [off-list ref] 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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