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From: Janne Hellsten <jjhellst@gmail.com>
To: Janne Hellsten <jjhellst@gmail.com>, gdb@sources.redhat.com
Subject: number of executed instructions from simulator (was Re: two bugs in the arm simulator)
Date: Tue, 05 Jul 2005 00:07:00 -0000	[thread overview]
Message-ID: <700d600f05070417065bd213a1@mail.gmail.com> (raw)
In-Reply-To: <20050704152806.GA22129@nevyn.them.org>

Hi,

> > so that I can get it to report the number of cycles spent in some
> > program.  This could be used for simple benchmarking (to detect
> > regression over time).
> >
> > I wonder if such an extension would be a big task?  I'm not familiar
> > with GDB's code at all.
> 
> The GDB simulators aren't even a little bit cycle accurate,
> unfortunately.

Yes, I am aware of this.  However, just getting the number of executed
instructions would be sufficient for my purposes.  I could use this in
our company's performance regression tester to check relative
performance figures (e.g., is last week's version faster than today's
version, etc.).

Best regards,
Janne


  reply	other threads:[~2005-07-05  0:07 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-04  3:06 two bugs in the arm simulator Janne Hellsten
2005-07-04  3:56 ` Daniel Jacobowitz
2005-07-04  6:20   ` Janne Hellsten
2005-07-04 15:28     ` Daniel Jacobowitz
2005-07-05  0:07       ` Janne Hellsten [this message]
2005-07-05  8:01 ` Janne Hellsten
2005-07-05 13:29   ` Daniel Jacobowitz

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