On 7/23/19 7:13 PM, Marc Zyngier wrote:

quoted

+	arm-pmu {
+		/*
+		 * N.B. the A72 PMU support only exists in arch/arm64, hence
+		 * the fallback to the A53 version.
+		 */
+		compatible = "arm,cortex-a72-pmu", "arm,cortex-a53-pmu";

You're thus guaranteed to count the wrong events... And you could at
least have "arm,armv8-pmuv3".

Isn't "arm,armv8-pmuv3" still "only exists in arch/arm64" (along with "arm,cortex-a53-pmu")?

P.S.
Yes, I remember you posted some related patches in a past yet they never hit mainline :(

Cheers
Vladimir

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