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SubjectRe: [PATCH v5 12/20] x86: perf: intel_pt: Intel PT PMU driver
On Mon, Oct 13, 2014 at 04:45:40PM +0300, Alexander Shishkin wrote:
> +static bool pt_event_valid(struct perf_event *event)
> +{
> + u64 config = event->attr.config;
> +
> + /* admin can set any packet generation parameters */
> + if (capable(CAP_SYS_ADMIN) && (config & PT_BYPASS_MASK) == config)
> + return true;
> +
> + if ((config & PT_CONFIG_MASK) != config)
> + return false;
> +
> + return true;
> +}

This seems to suggest PT is available to !priv users, is this right?


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