topic Re: Profile running processes in Analyzers

Profile running processes

christoph-bartoschek — Wed, 18 Apr 2007 21:38:50 GMT

Hi,

is it possible to profile already running processes?

Or is it possible to start and stop profiling during the run of a process?

Re: Profile running processes

TimP — Wed, 18 Apr 2007 23:05:57 GMT

Yes.

In order to do it repeatably, API calls in the application are likely to be needed.

Re: Profile running processes

christoph-bartoschek — Wed, 18 Apr 2007 23:27:31 GMT

Could you say for which keywords I have to search for to be able to attach to a running process?

Re: Profile running processes

aokunev — Thu, 19 Apr 2007 10:57:12 GMT

Please check /opt/intel/vtune/analyzer/include/VtuneApi.h. It contains two functions wich can be used for collection control - VTPause and VTResume.

regards, Andrei

Re: Profile running processes

christoph-bartoschek — Thu, 19 Apr 2007 11:03:19 GMT

Thanks.

But do the functions imply that the app is always started with collection on?

Till my module is loaded I have no control over the app and cannot use VTPause to stop collection. However I guess I can use the pause/resume buttons in the GUI.