Re: Finding Hot Paths in Linux Drivers

[Erik Mouw <J.A.K.Mouw@its.tudelft.nl>]

On Mon, Jan 07, 2002 at 11:02:22PM +0000, John Levon wrote:
> On Mon, Jan 07, 2002 at 11:49:31PM +0100, Erik Mouw wrote:
> > There's Oprofile for x86 linux, I don't know if somebody ported it to
> > (Strong)ARM (movement?). There was also a profiling module from Compaq
> > WRL in the latest -np kernels that used OSMR2. Never tried it, though.
> 
> There is no ARM port of oprofile, however I did find this recently :
> 
> http://www.handhelds.org/pipermail/linux/2000-December/000705.html
> 
> which talks about a strongARM profiler that looks pretty similar.

Yes, that's the Compaq WRL profiler I mentioned. /me now remembers that
there was announcement on one of the linux-arm lists as well.

> Hopefully the hints there will let you get your hands on the code.

It's still available from the handhelds.org CVS. See
http://cvs.handhelds.org/cgi-bin/viewcvs.cgi/tools/profiling/


Erik

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