On Wed, 2011-05-11 at 11:55 -0400, Avi Kivity wrote:
> +static u64 read_gp_pmc(struct kvm_pmu *pmu, struct kvm_pmc *pmc)
> +{
> + u64 counter, enabled, running;
> +
> + counter = pmc->counter;
> +
> + if (pmc->perf_event)
> + counter += perf_event_read_value(pmc->perf_event,
> + &enabled, &running);
> +
> + /* FIXME: Scaling needed? */
Yeah, either that or use attr.pinned = 1, doing the latter will result
in an error when the PMU is overloaded though.
> + return counter & pmu->counter_bitmask;
> +}
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