Re: [Xen-devel] xenoprof patch for oprofile-0.9.7

[Konrad Rzeszutek Wilk <konrad@darnok.org>]

On Tue, Dec 20, 2011 at 04:44:53PM -0500, William Cohen wrote:
> On 12/16/2011 04:09 PM, Konrad Rzeszutek Wilk wrote:
> > On Tue, Nov 29, 2011 at 04:28:06PM -0500, William Cohen wrote:
> >> On 11/28/2011 05:45 PM, Konrad Rzeszutek Wilk wrote:
> >>> On Mon, Nov 28, 2011 at 05:09:34PM -0500, William Cohen wrote:
> >>>> I am rebasing Fedora rawhide oprofile package to oprofile-0.9.7. The xenoprof patches on http://xenoprof.sourceforge.net/#download look a bit dated. The newest version is for oprofile-0.9.5. 
> >>>
> >>> There was one posted some time ago.. Ah:
> >>> http://www.flyn.org/patches/linux-xen-passive-oprofile/linux-3.0-xen-passive-oprofile.patch.gz
> >>>
> >>> I think that ones works , thought I haven't had a chance to test it
> >>> myself.
> >>>>
> >>>> I massaged the patch oprofile-0.9.5-xen.patch to apply to oprofile-.0.9.7. Attached is that updated patch. Does this look reasonable? Is there a desire to get this into upstream oprofile? Or should the xenoprof patch be dropped?
> >>>
> >>> Well, the desire is to get a performance tool in upstream that works
> >>> with Xen very very very much.
> >>>
> >>> The upstream is using the 'perf' framework which is different from oprofile
> >>> and there hasn't been any patches to take advantage of it.
> >>>
> >>> So to answer your question:
> >>>  1). Its awesome you have posted a patch. Will need to spend some time
> >>>      with it and and with the version that was posted to see if there is
> >>>      something missing. Sadly, the kernel patch is not very
> >>>      upstream-compatible as is. But it will get to folks be able to
> >>>      do some perf analysis instead of using benchmark tools.
> >>
> >> If anyone can exercise the patch and verify that it works well with the current upstream xen, that would be greatly appreciated.
> > 
> > So I tried to do it today but running in trouble of compiling it on
> > Fedora Core 16. You wouldn't have any patches floating around to make it
> > compile? (I used first a virgin 0.9.7 version).
> > 
> > Thanks!
> 
> Hi Konrad,
> 
> Sorry I didn't see this email earlier. 

That is OK.
> 
> The patch applies cleanly to oprofile 0.9.7 and builds on fc17. What was the error you got?  How are you configuring it? You should be able to do something like:

Well, I was getting some errors about the wrong header files, but now
that started it again the errors don't show up.

Could be that I had installed the required libraries/headers in between
when I had the problem and now, but can't recall.

Should get you some details soon to your question. Thanks!
> 
> cd oprofile-0.9.7
> patch -p1 -b < ~/oprofile-0.9.7-xen.patch
> ./autogen.sh
> ./configure --with-kernel-support --enable-gui=qt4 
> 
> Alternative you should be able to down load the src rpm from http://koji.fedoraproject.org/koji/buildinfo?buildID=276310
> 
> then
> 
> yum-builddep oprofile-0.9.7-1.src.rpm
> rpm -Uvh oprofile-0.9.7-1.src.rpm
> cd ~/rpmbuild/SPEC
> rpmbuild -b oprofile.spec
> 
> 
> Will
> 
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> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel

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