Messages in this thread | | | From | Mischa Jonker <> | Subject | RE: [PATCH v3 0/2] ARC: Add perf support for ARC700 cores | Date | Tue, 12 Nov 2013 09:44:34 +0000 |
| |
> 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
| |