From: Jeff Garzik <jeff@garzik.org>
To: akpm@linux-foundation.org
Cc: netdev@vger.kernel.org, arjan@linux.intel.com, auke-jan.h.kok@intel.com
Subject: Re: [patch 03/19] user of the jiffies rounding code: e1000
Date: Tue, 06 Mar 2007 06:20:50 -0500 [thread overview]
Message-ID: <45ED4E92.2060805@garzik.org> (raw)
In-Reply-To: <200703061041.l26AfmEP019740@shell0.pdx.osdl.net>
akpm@linux-foundation.org wrote:
> From: Arjan van de Ven <arjan@linux.intel.com>
>
> Use the round_jiffies() function in e1000.
>
> These timers all were of the "about once a second" or "about once every X
> seconds" variety and several showed up in the "what wakes the cpu up" profiles
> that the tickless patches provide. Some timers are highly dynamic based on
> network load; but even on low activity systems they still show up so the
> rounding is done only in cases of low activity, allowing higher frequency
> timers in the high activity case.
>
> The various hardware watchdogs are an obvious case; they run every 2 seconds
> but aren't otherwise specific of exactly when they need to run.
>
> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
> Acked-by: Auke Kok <auke-jan.h.kok@intel.com>
> Cc: Jeff Garzik <jeff@garzik.org>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---
>
> drivers/net/e1000/e1000_main.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
applied 3-4 to #upstream (2.6.22)
prev parent reply other threads:[~2007-03-06 11:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-06 10:41 [patch 03/19] user of the jiffies rounding code: e1000 akpm
2007-03-06 11:20 ` Jeff Garzik [this message]
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