netdev - Re: [Bonding-devel] [PATCH 4/4] bonding: add sysfs files to display tlb and alb hash table contents

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Message-ID: <20090929001203.GE4436@gospo.rdu.redhat.com>
Date:	Mon, 28 Sep 2009 20:12:03 -0400
From:	Andy Gospodarek <andy@...yhouse.net>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	Andy Gospodarek <andy@...yhouse.net>, netdev@...r.kernel.org,
	fubar@...ibm.com, bonding-devel@...ts.sourceforge.net
Subject: Re: [Bonding-devel] [PATCH 4/4] bonding: add sysfs files to
	display tlb and alb hash table contents

On Mon, Sep 28, 2009 at 04:22:37PM -0700, Stephen Hemminger wrote:
> On Fri, 11 Sep 2009 17:13:17 -0400
> Andy Gospodarek <andy@...yhouse.net> wrote:
> 
> > 
> > bonding: add sysfs files to display tlb and alb hash table contents
> > 
> > While debugging some problems with alb (mode 6) bonding I realized that
> > being able to output the contents of both hash tables would be helpful.
> > This is what the output looks like for the two files:
> > 
> > device  load
> > eth1    491
> > eth2    491
> > hash device   last device   tx bytes       load        next previous
> > 2    eth1     eth1          2254           491         0    0
> > 3    eth2     eth2          2744           491         0    0
> > 6             eth2          0              488         0    0
> > 8             eth2          0              461698      0    0
> > 1b            eth2          0              249         0    0
> > eb            eth2          0              21          0    0
> > ff            eth2          0              22          0    0
> > 
> > hash ip_src          ip_dst          mac_dst           slave assign ntt
> > 2    10.0.3.2        10.0.3.11       00:e0:81:71:ee:a9 eth1  1      0
> > 3    10.0.3.2        10.0.3.10       00:e0:81:71:ee:a9 eth2  1      0
> > 8    10.0.3.2        10.0.3.1        00:e0:81:71:ee:a9 eth2  1      0
> > 
> > These were a great help debugging the fixes I have just posted and they
> > might be helpful for others, so I decided to include them in my
> > patchset.
> > 
> > Signed-off-by: Andy Gospodarek <andy@...yhouse.net>
> 
> No.
> 
> Please don't put formatted output in sysfs, it is not meant to be
> used like proc, there is supposed to be only one value per file.

Then based on the over 300 files in /sys/ that are more than 1 line on
my currently running kernel, it seems there is significant work to do.

Seemingly arbitrary requests like this are extremely annoying when the
current kernel violates them all over the place.

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