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From: Dan Kegel <dank@alumni.caltech.edu>
To: Mohit Aron <aron@cs.rice.edu>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: gprof cannot profile multi-threaded programs
Date: Wed, 31 Jan 2001 09:13:22 -0800	[thread overview]
Message-ID: <3A7847B2.E33E8A87@alumni.caltech.edu> (raw)
In-Reply-To: <200101310727.BAA14161@cs.rice.edu>

Mohit Aron wrote:
> 
> > http://opensource.corel.com/cprof.html
> >
> > I haven't used it yet, myself.
> >
> 
> I have. cprof is no good - extremely slow and generates a 100MB trace
> even with a simple hello world program.

Oh.  Bleh.

http://wordindex.sourceforge.net/testdata/usenet.col-20000817-1548/028-123.col.txt.txt
mentioned a workaround for gprof, I don't know if it's real:

> AFAIK gprof doesn't support multithreaded apps profiling, but you can
> workaround it if you call getitimer() in the main thread for ITIMER_PROF
> then using that value in a call to setitimer() in every thread you
> spawn. Other alternative is using the open source cprof by Corel [I
> never 

- Dan
-
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  parent reply	other threads:[~2001-01-31 17:22 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-01-31  5:38 gprof cannot profile multi-threaded programs Dan Kegel
2001-01-31  7:27 ` Mohit Aron
2001-01-31 16:52   ` John Levon
2001-01-31 17:13   ` Dan Kegel [this message]
  -- strict thread matches above, loose matches on Subject: below --
2001-01-31  5:31 Mohit Aron
2001-01-31 14:17 ` Kurt Roeckx

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