On Thu, Jun 04, 2015 at 12:35:08PM +0200, Imre Palik wrote: > On 06/03/15 10:36, Peter Zijlstra wrote: > > Further, the Intel Arch PerfMon v2 spec actually specifies there to be 3 > > fixed function counters. > > > > So anything that says it is v2+ and does not have the 3, is non > > compliant. > > > > I would suggest you go fix your hypervisor. > > If I set up the hypervisor to advertise Arch PerfMon v1 (0 fixed > counters), then without my patch, perf still tries to use fixed > counters. So something is clearly broken here.
So the code you deleted does if (version > 1), and last I checked that should return false if version == 1. So please check what's happening there first. -- 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/
