Hello !
There is no metric that gives the per process percentage of CPU cycles
used.The "pminfo -dT proc.*" command (ofcourse not *).But i didnt find
the one i required.Can anyone suggest me a solution.
Thanks in advance..
Thank you,
With regards,
MadhuSudhan Reddy Tera
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|Department of Computing and Information Sciences, |
|Kansas State University, |
|Manhattan, KS 66502. |
|ph no:785-537-3276 |
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On Wed, 11 Jul 2001 kenmcd@xxxxxxxxxxxxxxxxx wrote:
> On Fri, 6 Jul 2001, Madhu Sudhan R Tera wrote:
>
> > Hello!
> > Thank you for your quick response.
> >
> > As mentioned in my previous mail,i have recently installed PCP.
> >
> > But is there a procedure to pass process ids and get the metrics
> > while writing a PMAPI??
>
> You'll need pmLookupDesc(3) to get the instance domain number associated
> with the metrics you are interested in, and then pmGetInDom(3) and/or
> pmLookupInDom(3) to process the instance domain that encodes the
> process ids. Then pmAddProfile(3) and pmDelProfile(3) to build/update a
> "profile". And finally pmFetch(3) to actually do the work.
>
> You can see an example of all of this in the source for pmval, e.g.
> the command
>
> $ pmval -i 920 proc.psinfo.utime
>
> reports the user CPU time for process id 920.
>
> To get some idea of the interaction between the client (pmval in this
> case) and pmcd below the PMAPI, use the PDU tracing option:
>
> $ pmval -i 920 -D pdu proc.psinfo.utime
>
> > ... And what is this process.psinfo.stime and
> > others in pminfo command(As far as i understand its a namespace.Correct me
> > if i am wrong!)
>
> I'm not going to explain them, that's the PMDA writer's job ... the -T option
> to pminfo requests the
> help text for the named metrics, e.g.
>
> $ pminfo -T proc.psinfo.utime
>
> proc.psinfo.utime
> Help:
> time (in ms) spent executing user code since process started
>
>
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