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Message-ID: <20230704085800.38f05b56@hermes.local>
Date: Tue, 4 Jul 2023 08:58:00 -0700
From: Stephen Hemminger <stephen@...workplumber.org>
To: Breno Leitao <leitao@...ian.org>
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, sergey.senozhatsky@...il.com,
pmladek@...e.com, tj@...nel.or,
Dave Jones <davej@...emonkey.org.uk>,
"open list:NETWORKING DRIVERS" <netdev@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] netconsole: Append kernel version to message
On Tue, 4 Jul 2023 08:15:47 -0700
Breno Leitao <leitao@...ian.org> wrote:
> Hello Stephen,
>
> On Mon, Jul 03, 2023 at 11:34:10AM -0700, Stephen Hemminger wrote:
> > On Mon, 3 Jul 2023 08:41:54 -0700
> > leitao@...ian.org wrote:
> >
> > > +config NETCONSOLE_UNAME
> > > + bool "Add the kernel version to netconsole lines"
> > > + depends on NETCONSOLE
> > > + default n
> > > + help
> > > + This option causes extended netcons messages to be prepended with
> > > + kernel uname version. This can be useful for monitoring a large
> > > + deployment of servers, so, you can easily map outputs to kernel
> > > + versions.
> >
> > This should be runtime configured like other netconsole options.
> > Not enabled at compile time.
>
> Do you mean I should add a new option to netconsole line? This is the
> current line format today:
>
> [+][src-port]@[src-ip]/[<dev>],[tgt-port]@<tgt-ip>/[tgt-macaddr]
>
> If that is the case, I suppose I want to add something at the beginning
> of format, that specify that uname should be sent. What about something
> as?
>
> [u][+][src-port]@[src-ip]/[<dev>],[tgt-port]@<tgt-ip>/[tgt-macaddr]
>
> Thanks!
Keep it as simple as possible.
What ever program is reading udp socket knows where it is coming from.
The uname is really not needed.
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