Re: loaded router, excessive getnstimeofday in oprofile
From: Rick Jones
Date: Wed Aug 27 2008 - 12:50:00 EST
Andi Kleen wrote:
Those banks really want to crank down on latency - to the point they
start disabling interrupt coalescing. I bet they'd toss anything out
they could to shave another microsecond.
This change would actually likely lower their latency.
I'm guessing you mean increase their latency? I agree, it could -
depends entirely on the PPS in production I suspect.
rick jones
ftp://ftp.cup.hp.com/dist/networking/briefs/nic_latency_vs_tput.txt
I should probably refresh/update that one of these days
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