From: Andi Kleen <andi@firstfloor.org>
To: Auke Kok <auke-jan.h.kok@intel.com>
Cc: jeff@garzik.org, netdev@vger.kernel.org,
e1000-devel@lists.sourceforge.net
Subject: Re: [PATCH 2/5] e1000e: Add interrupt moderation run-time ethtool interface
Date: Mon, 14 Apr 2008 21:24:06 +0200 [thread overview]
Message-ID: <873apoutnt.fsf@basil.nowhere.org> (raw)
In-Reply-To: <20080414170604.23286.86187.stgit@localhost.localdomain> (Auke Kok's message of "Mon, 14 Apr 2008 10:06:04 -0700")
Auke Kok <auke-jan.h.kok@intel.com> writes:
> The ethtool -c / -C interface can now be used to modify the
> irq moderation algorithm. This change does not require an
> adapter reset and can thus be used at all times. The adapter
> only supports changing/reading rx-usecs which has special
> values for 0, 1 and 3:
>
> 0 - no irq moderation whatsoever
> 1 - normal moderation favoring regular mixed traffic (default)
> 3 - best attempt at low latency possible at cost of CPU
It would be nice if ethtool instead of having this as a obscure magic
number had a higher level "--low-latency" or similar parameter
(that could also potentially set similar settings on other NICs)
You think there would be a clean way to implement this?
-Andi
next prev parent reply other threads:[~2008-04-14 19:24 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-14 17:05 [PATCH 1/5] e1000e: cleanup several stats issues Auke Kok
2008-04-14 17:06 ` [PATCH 2/5] e1000e: Add interrupt moderation run-time ethtool interface Auke Kok
2008-04-14 19:24 ` Andi Kleen [this message]
2008-04-14 19:31 ` Rick Jones
2008-04-14 19:35 ` Jeff Garzik
2008-04-14 19:53 ` Andi Kleen
2008-04-14 20:09 ` Kok, Auke
2008-04-14 17:06 ` [PATCH 3/5] e1000e: Allow TSO to trickle down to VLAN device Auke Kok
2008-04-14 17:11 ` Patrick McHardy
2008-04-17 21:45 ` Kok, Auke
2008-04-21 14:24 ` Patrick McHardy
2008-04-22 7:46 ` Waskiewicz Jr, Peter P
2008-04-30 0:42 ` Waskiewicz Jr, Peter P
2008-04-30 6:54 ` Patrick McHardy
2008-04-30 6:56 ` Patrick McHardy
2008-04-14 17:06 ` [PATCH 4/5] e1000e: Fix HW Error on es2lan, ARP capture issue by BMC Auke Kok
2008-04-14 17:06 ` [PATCH 5/5] e1000e: lower ring minimum size to 64 Auke Kok
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