RE: [PATCH v3 0/2] ARC: Add perf support for ARC700 cores
From: Mischa Jonker
Date: Tue Nov 12 2013 - 04:44:55 EST
> Ah, so its one of those that cannot sample; you might want to fail when we
> try and create a sampling event.
Good suggestion, I'll create a separate patch for that!
> Also, you could consider running an (hr)timer to periodically update the
> events so that you don't miss a hardware counter wrap around -- if that is a
> distinct possibility.
It's a theoretical possibility: the counters are 48 bits. Unlikely to happen
during application development/performance analysis on an embedded core.
Thanks,
Mischa
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