From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
To: davek@ca.mgisoft.com
Cc: gcc-help@gcc.gnu.org
Subject: Re: profiling question
Date: Wed, 07 Jun 2000 23:42:00 -0000
Message-id: <200006080636.IAA01020@loewis.home.cs.tu-berlin.de>
References: <393F09E4.9B752E3C@ca.mgisoft.com>
X-SW-Source: 2000-06/msg00033.html

> Is there something magical that has to be done in order to get
> gprof to profile a multi-threaded application correctly?  Is
> there a command flag I'm missing?

I believe magic is required, but I don't think a command line option
helps.

> I know this isn't really the place to ask this question, but 
> I'm very frustrated with this.  Everyplace I look says that gprof
> supports threads, but I sure can't verify that.  

Which place have you been looking at? AFAICT, gprof is not
thread-safe; at least I could not find any kind of locking in the
mcount function, nor do I think it is inherently atomic in its
operation.

Regards,
Martin