Messages in this thread | | | Date | Wed, 8 Jul 2015 11:56:56 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH V3 1/4] perf: Add PERF_RECORD_SWITCH to indicate context switches |
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Em Wed, Jul 08, 2015 at 04:42:03PM +0300, Adrian Hunter escreveu: > On 08/07/15 16:28, Arnaldo Carvalho de Melo wrote: > > Em Wed, Jul 08, 2015 at 12:52:40AM +0200, Peter Zijlstra escreveu: > >> On Tue, Jul 07, 2015 at 01:13:59PM -0300, Arnaldo Carvalho de Melo wrote: > >>> Em Tue, Jul 07, 2015 at 05:36:14PM +0200, Peter Zijlstra escreveu: > >> I was just thinking that 2 records, each with a fixed layout would be > >> easier to parse than 1 record with variable layout.
> >> The record space is immense, so from that point it really doesn't > >> matter.
> > We could do a land grab at some point there, if/when we find some reason > > for that... :-)
> >> Do whatever is easiest, less mistakes get made etc. :-)
> >> No real preference either way, as long we we've thought about it.
> > Right, I just don't want to have two u32 carrying -1 for no reason.
> So you'd be OK with 2 RECORD types?
Yeah, no problem.
> I will see what is involved.
Ok.
- Arnaldo
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