Re: [Xen-devel] [PATCH v2 6/8] xenalyze: handle more events in sched_process

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

On Thu, 2015-05-07 at 18:42 +0100, George Dunlap wrote:
> On Thu, May 7, 2015 at 6:28 PM, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> 
> wrote:

> > Is it a candidate for dropping from the hypervisor then?  No use keeping
> > useless tracepoints.
> 
> Well it would have to be replaced with something more informative.
>
Indeed. In fact, if one wants to figure out what happens when changing
some scheduling parameters, it is actually helpful to see the record
about the change in the trace. Provided such record is informative
enough, of course.

> "Someone changed something" is pretty useless, but it's still more
> information than nothing at all.  
>
Agreed.

> (Presumably the replacement would be
> a per-scheduler tracepoint.)
> 
Probably, so we can actually print the details of the adjustment being
done.

I'm adding this to my todo list. :-)

Regards,
Dario

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