RE: profiling multi threaded applications

You could have your START and END macros (I assume you use something
like that) include EnterCriticalSection and LeaveCriticalSection 

> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On 
> Behalf Of Andras Balogh
> Sent: Wednesday, July 20, 2005 11:37 AM
> To: [email protected]
> Subject: Re: [GD-General] profiling multi threaded applications
> 
> Pretending that this is not an option, are there any other 
> possibilities?
> 
> 
> Christian Laforte wrote:
> > If possible, design your architecture so that your threads 
> can work in 
> > a lockstep mode, with one central mutex controlling which thread is 
> > running at any given moment. That way you can at least get 
> a partial 
> > profile and optimize each thread individually.
> > 
> > This type of design can also prove very useful to debug deadlocks.
> > 
> > Hope that helps a bit,
> > 
> > Christian Laforte
> > www.feelingsoftware.com
> > 
> > 
> >>-----Original Message-----
> >>From: [email protected]
> >>[mailto:[email protected]] 
> On Behalf Of 
> >>Andras Balogh
> >>Sent: Wednesday, July 20, 2005 10:36 AM
> >>To: [email protected]
> >>Subject: [GD-General] profiling multi threaded applications
> >>
> >>I was about to add a simple profiler into our engine, but I've just 
> >>realized that the usual hierarchical profiler that measures 
> the time 
> >>for a chunk of code won't cut it, in a multithreaded application.
> >>
> >>I understand that even when I have a single threaded app, there are 
> >>usually several other applications are running in the 
> background, but 
> >>mostly they are all idle, so it's just noise. But in this case, I 
> >>would have multiple, heavily working threads. If the OS 
> switches back 
> >>and forth between these threads all the time, then how is 
> it possible 
> >>to make accurate, or even just usable measurements??
> >>
> >>Thanks,
> >>
> >>Andras
> 
> 
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