On 06/16/15 11:21, Peter Zijlstra wrote: > On Mon, Jun 15, 2015 at 04:22:32PM +0200, Imre Palik wrote: >> From: "Palik, Imre" <im...@amazon.de> >> >> Architectural performance monitoring version 1 doesn't support fixed >> counters. Currently, even if a hypervisor advertises support for >> architectural performance monitoring version 1, perf may still tries to use >> the fixed counters, as the constraints are set up based on the CPU model. >> >> This patch ensures that perf honors the architectural performance >> monitoring version returned by CPUID, and it only uses the fixed counters >> for version two and above. >> >> Some of the ideas in this patch are coming from Peter Zijlstra. > > What's the difference from -v2? I'm not really seeing it. >
I made the mistake of sending two different versions as v2. v3 is the same as the second v2. I sent this to clear up possible confusion. Sorry if it caused more of it. -- 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/
