From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: Using jiffies for tcp_time_stamp?
Date: Fri, 25 May 2012 21:00:32 +0200
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Cc: Dave Taht <dave.taht@gmail.com>,
	Chris Friesen <chris.friesen@genband.com>,
	netdev@vger.kernel.org
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	<srecko.juric-kavelj@fer.hr>
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On Fri, 2012-05-25 at 20:35 +0200, Sre=C4=87ko Juri=C4=87-Kavelj wrote:

> From what I've seen in the code, NO_HZ doesn't make jiffies go away,
> it simply doesn't use regular CONFIG_HZ interrupt to update, but
> updates them when has an opportunity?

HZ=3D1000 makes jiffies 10 times more precise, and with NO_HZ, generate=
s
no extra timer interrupts.

This also makes timers workload smoothed, instead of spikes.