On Thu, Dec 03, 2009 at 10:07:03PM -0500, Kevin Fitch wrote:
> I have a situation that I would like to debug with dtrace, but I am not sure
> how.
>
> I have a process that kicks off, runs for a few seconds (perhaps
> milliseconds) then goes away. And this happens very frequently, think
> old-school CGI based web app. And just for a little more fun, this app makes
> extensive use of shared libraries.
>
> How can I use dtrace? I don't have an existing process to attach the pid
> provider.
Take a look at "dtruss" in the Dtrace toolkit:
http://www.brendangregg.com/DTraceToolkit-0.99.tar.gz
It will monitor a process by name and the process doesn't need to
exist when you invoke dtruss. I use this for transient process debugging.
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