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Re: How to profile?


From: richard
Subject: Re: How to profile?
Date: Sun, 5 Nov 2000 13:18:07 +0000

On Sunday, November 5, 2000, at 12:23 PM, address@hidden wrote:

> Hi, 
>  
> 'profile=yes' makes gcc embed profiling information in the binary. Read 
> the 'gprof' man page to find out more about it. It provides profiling 
> information for all function calls. AFAIK it only works with non-shared 
> binaries. 

I think that's correct - which makes it a pain to try to get any real indication
of where problems are - I think you need to build a static libc for profiling, 
and static X-windows libraries too - or you get a completely skewed picture of
what is taking most cycles.

I wish I knew why profiling of shared libraries doesn't work - I'm pretty sure
it used to work on my old SunOS systems.



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