Re: [patch/rfc] perf on raspberry-pi without overflow interrupt

From: Peter Zijlstra
Date: Wed Jan 08 2014 - 17:54:26 EST


On Wed, Jan 08, 2014 at 04:28:20PM -0500, Vince Weaver wrote:
> Should the perf_event interface handle setups like this better and work
> fine in aggregate mode but return ENOTSUP if a sampled or overflow event
> is attempted?

Yeah that would be better, we do something similar for P6 class machines
without lapic IIRC.
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