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. -- 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/
