On Mon, Nov 11, 2013 at 05:27:55PM +0100, Peter Zijlstra wrote: > On Thu, Nov 07, 2013 at 02:55:10PM +0100, Mischa Jonker wrote: > > Hi all, > > > > Please find v3 of my attempt to add support for perf for ARC700 PMU's. If > > possible, it would be nice to get some feedback on the implementation from > > non-ARC/Synopsys people familiar with the perf subsystem in Linux. > > Anything in particular you wanted feedback on? It looks like a fairly > straight fwd thingy.
Ah, so its one of those that cannot sample; you might want to fail when we try and create a sampling event. 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
