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Re: systemtap output - how to analyse
- From: David Smith <dsmith at redhat dot com>
- To: Peter Teoh <htmldeveloper at gmail dot com>
- Cc: systemtap at sources dot redhat dot com
- Date: Wed, 16 Apr 2008 09:27:30 -0500
- Subject: Re: systemtap output - how to analyse
- References: <804dabb00804160018g7610fcefv3fc82a44f2d512a@mail.gmail.com>
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
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