[Qemu-devel] [kvm-unit-tests PATCHv3 2/3] arm: pmu: Check cycle count increases

2015-10-06 Thread Christopher Covington
Ensure that reads of the PMCCNTR_EL0 are monotonically increasing, even for the smallest delta of two subsequent reads. Signed-off-by: Christopher Covington --- arm/pmu.c | 29 + 1 file changed, 29 insertions(+) diff --git a/arm/pmu.c b/arm/pmu.c index 91a3688..589e6

Re: [Qemu-devel] [kvm-unit-tests PATCHv3 2/3] arm: pmu: Check cycle count increases

2015-10-06 Thread Andrew Jones
On Tue, Oct 06, 2015 at 01:49:25PM -0400, Christopher Covington wrote: > Ensure that reads of the PMCCNTR_EL0 are monotonically increasing, > even for the smallest delta of two subsequent reads. > > Signed-off-by: Christopher Covington > --- > arm/pmu.c | 29 + > 1 fi