Ken,
This did the trick. I put the empty root file back and performed the
steps you outlined below. The root file is now populated.
I'm using PCPMON 1.2.0 and I did notice a lack of predefined expressions
to use. Is there a place where I could find a broader set of predefined
expressions for linux? If not, where is the best place to start reading
up on how to build them (i.e. comprehensive list of metrics etc).
Thanks a bunch.
-B
Ken McDonell wrote:
>
> On Tue, 16 Jan 2001, Robert K. Hamilton wrote:
>
> >
> >
> > I've actually made progress myself. It looks like the problem is name
> > space related. I found the location of the root file for the default
> > name space and checked the file. /var/pcp/pmns/root. I saved the initial
> > root file and copied a file named linux_root to root and started getting
> > data.
>
> Indeed ... that's what the PMNS appears to be empty! message means.
>
> When you install RPMS, the following empty file is created
> /var/pcp/pmns/.NeedRebuild
>
> then when you run
> /etc/rc.d/init.d/pcp start
>
> The PNMS (Performance Metrics Name Space) is rebuild using
> cd /var/pcp/pmns
> ./Rebuild -du
>
> and you should see a message of the form
> Performance Co-Pilot rebuilding PMNS ...
>
> Here's the interactive sequence to mimic this ...
>
> [root@sherman kenmcd]# touch /var/pcp/pmns/.NeedRebuild
> [root@sherman kenmcd]# /etc/rc.d/init.d/pcp start
> Waiting for PMCD to terminate ...
> Performance Co-Pilot rebuilding PMNS ...
> Performance Co-Pilot starting PMCD (logfile is /var/log/pcp/pmcd/pmcd.log) ...
> Performance Co-Pilot starting archive loggers ...
>
> My guess would be that in making from source, some part of your
> installation missed touching /var/pcp/pmns/.NeedRebuild (since it
> is part of the RPM packaging, this is not surprising if you did not
> re-make and install RPMs).
>
> > Anything else related to this that might be interesting?
>
> Not that I can think of.
>
> Even though you have it working, I'd recommend doing the
>
> # touch /var/pcp/pmns/.NeedRebuild
> # /etc/rc.d/init.d/pcp start
>
> to get a kosher PMNS.
>
> > -B
> >
> > "Robert K. Hamilton" wrote:
> > >
> > > Howdy,
> > >
> > > I built the pcp source on the following configuration:
> > >
> > > H/W: Intel x86
> > > Linux: Red Hat 6.2
> > > PCP: 2.1.10 build 8
> > >
> > > When I issue the pminfo command as specified in INSTALL I receive the
> > > following:
> > >
> > > [root@tacan pcp-2.1.10]# pminfo -fmdt
> > > PMNS appears to be empty!
> > >
> > > When I issue any variation of the pcp command I get the following:
> > >
> > > [root@tacan pcp-2.1.10]# pcp
> > > Performance Co-Pilot configuration on tacan.bethesda.emaginet.com:
> > >
> > > platform:
> > > hardware:
> > > timezone: Unknown
> > > licenses: unknown
> > > pmcd: Version unknown
> > >
> > > The following processes are running on the system:
> > >
> > > 32675 ? S 0:00 /usr/share/pcp/bin/pmcd
> > > 349 pts/2 S 0:00 pmlogger -P -c config.default 20010116.13.02
> > > 835 pts/2 S 0:00 grep pm
> > >
> > > It looks like everything installed okay but I'm not collecting any data.
> > > When I try to use the graphical interface via pcpmon (V1.2.0) I get
> > > can't fetch errors ...
> > >
> > > What's missing?
> > >
> > > Thanks!
> > >
> > > -B
> > > --
> > > Robert K. Hamilton
> > > Senior Systems Engineer
> > > Manager, Test Networks
> > > E-centives, Inc.
> > > 6901 Rockledge Drive, 7th Floor
> > > Bethesda, MD 20817
> > > 240.333.6178
> > > rkh@xxxxxxxxxxxxxx
> > > www.e-centives.com/corp
> > > --
> > > e-centives, Inc.
> > > The leading online direct marketing
> > > infrastructure company
> >
> > --
> > Robert K. Hamilton
> > Senior Systems Engineer
> > Manager, Test Networks
> > E-centives, Inc.
> > 6901 Rockledge Drive, 7th Floor
> > Bethesda, MD 20817
> > 240.333.6178
> > rkh@xxxxxxxxxxxxxx
> > www.e-centives.com/corp
> > --
> > e-centives, Inc.
> > The leading online direct marketing
> > infrastructure company
> >
--
Robert K. Hamilton
Senior Systems Engineer
Manager, Test Networks
E-centives, Inc.
6901 Rockledge Drive, 7th Floor
Bethesda, MD 20817
240.333.6178
rkh@xxxxxxxxxxxxxx
www.e-centives.com/corp
--
e-centives, Inc.
The leading online direct marketing
infrastructure company
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