Re: [PATCH 00/05] Linux Kernel Markers - kernel 2.6.20

[Vara Prasad <prasadav at us dot ibm dot com>]

Andrew Morton wrote:

> On 15 Feb 2007 10:28:57 -0500
> fche@redhat.com (Frank Ch. Eigler) wrote:
>
>  
>
> > akpm wrote:
> >
> >    
> >
> > > [...]  And what can I do with these markers?  And once I've done it,
> > > are there any userspace applications I can use to get the data out
> > > in human-usable form?  [...]
> > >      
> > The LTTng user-space programs use it today.  Systemtap used to support
> > the earlier marker prototype and will be rapidly ported over to this
> > new API upon acceptance.
> >
> >    
>
> That's good.
>
> It would be beneficial if some people from those projects could spare the
> cycles to carefully review and runtime test this code.
>  

Sure, as soon as SystemTap translator supports this new marker mechanism 
we will give it a spin and report results.

> Also, I'm not 100% clear on where we ended up with the huge
> static-vs-dynamic flamewar.  Did everyone end up happy?  Is this patchset a
> reasonable compromise?  Or do we need a rematch?
>  
From my view this is a good compromise. We all realized in that long 
discussion thread that we need a way to mark the code in the middle of 
functions that can later be activated dynamically. Mathieu's current 
implementation meets that goal. I will be happy to see this in.

Thanks,
Vara Prasad