From: "David S. Miller" <davem@davemloft.net>
To: john.ronciak@intel.com
Cc: jdmason@us.ibm.com, shemminger@osdl.org, hadi@cyberus.ca,
mitch.a.williams@intel.com, netdev@oss.sgi.com,
Robert.Olsson@data.slu.se, ganesh.venkatesan@intel.com,
jesse.brandeburg@intel.com
Subject: Re: RFC: NAPI packet weighting patch
Date: Thu, 02 Jun 2005 17:18:12 -0700 (PDT) [thread overview]
Message-ID: <20050602.171812.48807872.davem@davemloft.net> (raw)
In-Reply-To: <468F3FDA28AA87429AD807992E22D07E0450BFDB@orsmsx408>
From: "Ronciak, John" <john.ronciak@intel.com>
Date: Thu, 2 Jun 2005 17:11:20 -0700
> I like this idea as well but I do an issue with it. How would this
> stack code find out that the weight is too high and pacekts are being
> dropped (not being polled fast enough)? It would have to check the
> controller stats to see the error count increasing for some period. I'm
> not sure this is workable unless we have some sort of feedback which the
> driver could send up (or set) saying that this is happening and the
> dynamic weight code could take into acount.
What more do you need other than checking the statistics counter? The
drop statistics (the ones we care about) are incremented in real time
by the ->poll() code, so it's not like we have to trigger some
asynchronous event to get a current version of the number.
next prev parent reply other threads:[~2005-06-03 0:18 UTC|newest]
Thread overview: 121+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-03 0:11 RFC: NAPI packet weighting patch Ronciak, John
2005-06-03 0:18 ` David S. Miller [this message]
2005-06-03 2:32 ` jamal
2005-06-03 17:43 ` Mitch Williams
2005-06-03 18:38 ` David S. Miller
2005-06-03 18:42 ` jamal
2005-06-03 19:01 ` David S. Miller
2005-06-03 19:28 ` Mitch Williams
2005-06-03 19:59 ` jamal
2005-06-03 20:31 ` David S. Miller
2005-06-03 21:12 ` Jon Mason
2005-06-03 20:22 ` David S. Miller
2005-06-03 20:29 ` David S. Miller
2005-06-03 19:49 ` Michael Chan
2005-06-03 20:59 ` Lennert Buytenhek
2005-06-03 20:35 ` Michael Chan
2005-06-03 22:29 ` jamal
2005-06-04 0:25 ` Michael Chan
2005-06-05 21:36 ` David S. Miller
2005-06-06 6:43 ` David S. Miller
2005-06-03 23:26 ` Lennert Buytenhek
2005-06-05 20:11 ` David S. Miller
2005-06-03 21:07 ` Edgar E Iglesias
2005-06-03 23:30 ` Lennert Buytenhek
2005-06-03 20:30 ` Ben Greear
2005-06-03 19:40 ` jamal
2005-06-03 20:23 ` jamal
2005-06-03 20:28 ` Mitch Williams
-- strict thread matches above, loose matches on Subject: below --
2005-06-07 16:23 Ronciak, John
2005-06-07 20:21 ` David S. Miller
2005-06-08 2:20 ` Jesse Brandeburg
2005-06-08 3:31 ` David S. Miller
2005-06-08 3:43 ` David S. Miller
2005-06-08 13:36 ` jamal
2005-06-09 21:37 ` Jesse Brandeburg
2005-06-09 22:05 ` Stephen Hemminger
2005-06-09 22:12 ` Jesse Brandeburg
2005-06-09 22:21 ` David S. Miller
2005-06-09 22:21 ` jamal
2005-06-09 22:22 ` David S. Miller
2005-06-09 22:20 ` jamal
2005-06-06 20:29 Ronciak, John
2005-06-06 23:55 ` Mitch Williams
2005-06-07 0:08 ` Ben Greear
2005-06-08 1:50 ` Jesse Brandeburg
2005-06-07 4:53 ` Stephen Hemminger
2005-06-07 12:38 ` jamal
2005-06-07 12:06 ` Martin Josefsson
2005-06-07 13:29 ` jamal
2005-06-07 12:36 ` Martin Josefsson
2005-06-07 16:34 ` Robert Olsson
2005-06-07 23:19 ` Rick Jones
2005-06-21 20:37 ` David S. Miller
2005-06-22 7:27 ` Eric Dumazet
2005-06-22 8:42 ` P
2005-06-22 19:37 ` jamal
2005-06-23 8:56 ` P
2005-06-21 20:20 ` David S. Miller
2005-06-21 20:38 ` Rick Jones
2005-06-21 20:55 ` David S. Miller
2005-06-21 21:47 ` Andi Kleen
2005-06-21 22:22 ` Donald Becker
2005-06-21 22:34 ` Andi Kleen
2005-06-22 0:08 ` Donald Becker
2005-06-22 4:44 ` Chris Friesen
2005-06-22 11:31 ` Andi Kleen
2005-06-22 16:23 ` Leonid Grossman
2005-06-22 16:37 ` jamal
2005-06-22 18:00 ` Leonid Grossman
2005-06-22 18:06 ` Andi Kleen
2005-06-22 20:22 ` David S. Miller
2005-06-22 20:35 ` Rick Jones
2005-06-22 20:43 ` David S. Miller
2005-06-22 21:10 ` Andi Kleen
2005-06-22 21:16 ` David S. Miller
2005-06-22 21:53 ` Chris Friesen
2005-06-22 22:11 ` Andi Kleen
2005-06-22 21:38 ` Eric Dumazet
2005-06-22 22:13 ` Eric Dumazet
2005-06-22 22:30 ` David S. Miller
2005-06-22 22:23 ` David S. Miller
2005-06-23 12:14 ` jamal
2005-06-23 17:36 ` David Mosberger
2005-06-22 22:42 ` Leonid Grossman
2005-06-22 23:13 ` Andi Kleen
2005-06-22 23:19 ` David S. Miller
2005-06-22 23:23 ` Andi Kleen
2005-06-22 17:05 ` Andi Kleen
2005-06-06 15:35 Ronciak, John
2005-06-06 19:47 ` David S. Miller
2005-06-03 18:19 Ronciak, John
2005-06-03 18:33 ` Ben Greear
2005-06-03 18:49 ` David S. Miller
2005-06-03 18:59 ` Ben Greear
2005-06-03 19:02 ` David S. Miller
2005-06-03 20:17 ` Robert Olsson
2005-06-03 20:30 ` David S. Miller
2005-06-03 17:40 Ronciak, John
2005-06-03 18:08 ` Robert Olsson
2005-06-02 21:19 Ronciak, John
2005-06-02 21:31 ` Stephen Hemminger
2005-06-02 21:40 ` David S. Miller
2005-06-02 21:51 ` Jon Mason
2005-06-02 22:12 ` David S. Miller
2005-06-02 22:19 ` Jon Mason
2005-06-02 22:15 ` Robert Olsson
2005-05-26 21:36 Mitch Williams
2005-05-27 8:21 ` Robert Olsson
2005-05-27 11:18 ` jamal
2005-05-27 15:50 ` Stephen Hemminger
2005-05-27 20:27 ` Mitch Williams
2005-05-27 21:01 ` Stephen Hemminger
2005-05-28 0:56 ` jamal
2005-05-31 17:35 ` Mitch Williams
2005-05-31 17:40 ` Stephen Hemminger
2005-05-31 17:43 ` Mitch Williams
2005-05-31 22:07 ` Jon Mason
2005-05-31 22:14 ` David S. Miller
2005-05-31 23:28 ` Jon Mason
2005-06-02 12:26 ` jamal
2005-06-02 17:30 ` Stephen Hemminger
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