| Date | Wed, 22 Oct 2014 16:34:18 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v5 12/20] x86: perf: intel_pt: Intel PT PMU driver |
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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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