Re: [PATCH 00/11] perf tool: Add PERF_SAMPLE_READ sample read support

[David Ahern]

On 10/26/12 9:39 AM, Namhyung Kim wrote:
> > hm, thats the unique sample_type issue again ;) Once we set
> > PERF_SAMPLE_READ for event or group, we need to set it for
> > all other events in session, otherwise the report fails
>
> Sorry, I don't understand why we need to set it for all events.  Just
> setting it for a group is not sufficient?  Please shed some light on
> this.

perf does not support multiple sample_types -- all events in the session 
need to use the same one.

David

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