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Re: systemtap output - how to analyse


Peter Teoh wrote:
> Pardoned me for the newbie question.   I saw the following as part of
> the output from stap analysis.
> 
> Question:
> 
> a.   What is the purpose of the table?   How can I use it in practical scenario?
> b.   where can I get documentation on the purpose of the output?   How
> are the output calculated/derived?
> c.   Where are these implementation - with respect to the source code?
>   (a simplistic search in the systemtap source codes yield no result).
> 
> Thank you ahead for the info sharing.
> 
> Execution times (seconds)
>  callgraph construction:   0.07 ( 2%) usr   0.00 ( 0%) sys   0.06 (
> 1%) wall     448 kB ( 1%) ggc
>  ipa reference         :   0.02 ( 1%) usr   0.00 ( 0%) sys   0.02 (

... rest of table deleted ...

Peter,

Since I've never seen that table from systemtap, I doubt systemtap is
generating the table.

Can you explain how you got this output?

-- 
David Smith
dsmith@redhat.com
Red Hat
http://www.redhat.com
256.217.0141 (direct)
256.837.0057 (fax)


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