oprofile?

John Lee john_lee at openmoko.com
Thu Jul 31 22:34:04 CEST 2008


after set session dir to tmpfs it works...

also opcontrol must use long options such as --start, --shutdown or
there will be some sh error


- John

On Fri, Aug 01, 2008 at 03:11:00AM +0800, John Lee wrote:
> On Thu, Jul 31, 2008 at 11:06:21AM -0700, Russell Sears wrote:
> > What's the status of bug #674?  I know there are bigger fish to fry, but 
> > I'd like to run oprofile against pulseaudio and gstreamer to figure out 
> > where all the time is going...
> > 
> > http://docs.openmoko.org/trac/ticket/674
> > 
> > Is the andy branch of git something I can subject my phone to, or is it 
> > going to cause all sorts of breakage?
> > 
> > Thanks!
> > 
> > -Rusty
> 
> I happened to try this today, but it's not so easy.  it used to work
> but not anymore.
> 
> 0. first of all you have to enable oprofile in kernel config and
> install your own build
> 
> 1. oprofile 0.9.3 does not work, so i need to put 0.9.4 in OE
> 
> 2. log was filled with
>    oprofiled: open of xxx failed: Invalid argument
> 
>    so now i'm trying to run gdbserver to figure what's wrong
> 
> anyway once it's up and running I will commit the necessary changes.
> 
> 
> - John
> 
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