[prev in list] [next in list] [prev in thread] [next in thread] 

List:       oprofile-list
Subject:    Re: call graph problem
From:       Li Zhao <xm_zl () yahoo ! com>
Date:       2004-07-28 23:21:45
Message-ID: 20040728232145.13403.qmail () web51803 ! mail ! yahoo ! com
[Download RAW message or body]

Thank you guys. It works now.

--- John Levon <levon@movementarian.org> wrote:

> On Wed, Jul 28, 2004 at 12:10:32PM +0200, Philippe
> Elie wrote:
> 
> > > I have a problem with call graph. I installed
> the
> > > latest Oprofile on a Linux 2.6 kernel (with all
> the
> > > patches). The call graph I got only have "one
> level"
> > > like the following:
> > > self  %  child  %  image name  app name     
> symbol
> > > name
> > > 5  3.5e-04  0   0  vmlinux     vmlinux  
> unlock_page
> > >
>
-----------------------------------------------------
> > > 4  2.8e-04  0   0  vmlinux     vmlinux  
> > > add_to_page_cache
> > >
>
-----------------------------------------------------
> > > ...
> > > Every section has only one line.
> > > Did I miss something?
> > > Thanks for your help. 
> > 
> > did you set max callgraph depth to a non zero
> value ?
> > $ opcontrol -c 32
> 
> And did you make sure to enable CONFIG_FRAME_POINTER
> for the kernel?
> 
> You need the fp in programs you want call-graph
> profiles from.
> 
> john
> 



	
		
__________________________________
Do you Yahoo!?
New and Improved Yahoo! Mail - 100MB free storage!
http://promotions.yahoo.com/new_mail 


-------------------------------------------------------
This SF.Net email is sponsored by BEA Weblogic Workshop
FREE Java Enterprise J2EE developer tools!
Get your free copy of BEA WebLogic Workshop 8.1 today.
http://ads.osdn.com/?ad_id=4721&alloc_id=10040&op=click
_______________________________________________
oprofile-list mailing list
oprofile-list@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/oprofile-list
[prev in list] [next in list] [prev in thread] [next in thread]