You can monitor gmond with this DSO module; however, I feel that there are
better things out there to monitor.
http://code.google.com/p/gmond-python-modules/source/browse/trunk/procstat.py
I know, put this on git...sheesh.
--
Jamie Isaacs
pdt...@gmail.com
Message: 2
> Date: Tue, 21 Sep 2010 12:02:12 -0700
> From: "Stevens, Weston J" <weston.j.stev...@boeing.com>
> Subject: Re: [Ganglia-general] Does Ganglia measure itself?
> To: David Birdsong <david.birds...@gmail.com>
> Cc: Martin Knoblauch <kn...@knobisoft.de>,
> "ganglia-general@lists.sourceforge.net"
> <ganglia-general@lists.sourceforge.net>
> Message-ID:
> <
> ac0bfdb7ef45b14fbd2ed0882ccc54c6255bfdb...@xch-nw-11v.nw.nos.boeing.com>
>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Yea I figured it would probably be a lot more trouble than it's worth, we
> don't live in a perfect world. Thanks
>
> -----Original Message-----
> From: David Birdsong [mailto:david.birds...@gmail.com]
> Sent: Tuesday, September 21, 2010 11:56 AM
> To: Stevens, Weston J
> Cc: Martin Knoblauch; ganglia-general@lists.sourceforge.net
> Subject: Re: [Ganglia-general] Does Ganglia measure itself?
>
> On Tue, Sep 21, 2010 at 11:33 AM, Stevens, Weston J <
> weston.j.stev...@boeing.com> wrote:
> > Sure does thanks! I guess dig into the source code of the DSO modules to
> make it not recognize its own cycles? Bad idea?
> >
> > Obviously, if Ganglia is using up considerable resources, one would want
> to know. However, the purpose of Ganglia is to measure the performance of
> everything else, Ganglia can skew this data. Ideally and naturally, one
> would like to measure performance without using up any resources in doing
> so.
> >
> If you attempt do ferret out cpu statistics on a per process basis and then
> filter out gmond's use, you will almost certainly chew through many cpu
> cycles doing so. Your machine will incur a very large user/system cpu tax
> and then if you succeed in filtering out gmond's usage, your report of the
> current state of cpu usage will be even more incorrect. This may help to
> illustrate my point a little:
> http://en.wikipedia.org/wiki/Ouroboros
>
> > -----Original Message-----
> > From: Martin Knoblauch [mailto:kn...@knobisoft.de]
> > Sent: Tuesday, September 21, 2010 1:53 AM
> > To: Stevens, Weston J; ganglia-general@lists.sourceforge.net
> > Subject: Re: [Ganglia-general] Does Ganglia measure itself?
> >
> > Hi Weston,
> >
> > ?"gmond" just looks at the low-level counters provided by the OS and has
> no awareness about its own resource usage. So, it will collect cpu-usage
> including its own cycles.
> >
> > Does this answer your question?
> >
> >
> > Cheers
> > Martin
> > ------------------------------------------------------
> > Martin Knoblauch
> > email: k n o b i AT knobisoft DOT de
> > www: ? http://www.knobisoft.de
> >
> >
> >
> > ----- Original Message ----
> >> From: "Stevens, Weston J" <weston.j.stev...@boeing.com>
> >> To: "ganglia-general@lists.sourceforge.net"
> >><ganglia-general@lists.sourceforge.net>
> >> Sent: Mon, September 20, 2010 8:20:21 PM
> >> Subject: [Ganglia-general] Does Ganglia measure itself?
> >>
> >> For instance, if gmetad and gmond are using a few percent of CPU,
> >>would this show up on the CPU usage graph? Or does it ignore itself
> >>and only count everything else? ?Thanks
> >>
> >>
> >> ---------------------------------------------------------------------
> >> -
> >> -------- Start ?uncovering the many advantages of virtual appliances
> >> and start using them to ?simplify application deployment and
> >> accelerate your shift to cloud ?computing.
> >> http://p.sf.net/sfu/novell-sfdev2dev
> >> _______________________________________________
> >> Ganglia-general ?mailing list
> >> Ganglia-general@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/ganglia-general
> >> mG
> >
> > ----------------------------------------------------------------------
> > -------- Start uncovering the many advantages of virtual appliances
> > and start using them to simplify application deployment and accelerate
> > your shift to cloud computing.
> > http://p.sf.net/sfu/novell-sfdev2dev
> > _______________________________________________
> > Ganglia-general mailing list
> > Ganglia-general@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/ganglia-general
> >
------------------------------------------------------------------------------
Start uncovering the many advantages of virtual appliances
and start using them to simplify application deployment and
accelerate your shift to cloud computing.
http://p.sf.net/sfu/novell-sfdev2dev
_______________________________________________
Ganglia-general mailing list
Ganglia-general@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/ganglia-general
