Messages in this thread | | | Date | Wed, 20 Feb 2013 14:08:02 -0800 | From | Andi Kleen <> | Subject | Re: [PATCH] perf, x86: add Intel IvyBridge event scheduling constraints |
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> > Except for LDM_PENDING the CYCLE_ACTIVITY events have been also added to Sandy Bridge. > > So it should be also added there. > > > As far as I know and I double-checked the documentation I have, there > is no CYCLE_ACTIVITY > event on SNB or SNB-EP.
page 19-28 in the Jan 2013 SDM. It was only recently added. It's only a subset of what you have on Ivy Bridge.
> > > In fact I think you can still share the table because it would just add some > > non existent events to Sandy Bridge, which is a noop. > > > I don't see the point of this, except saving a few bytes. Isn't it > better to keep each PMU separate?
Ok, as long as you update the SNB table too.
-Andi
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