On Fri, Nov 14, 2014 at 03:43:45PM +0200, Alexander Shishkin wrote:
> +static void pt_event_stop(struct perf_event *event, int mode)
> +{
> + struct pt *pt = this_cpu_ptr(&pt_ctx);
> +
> + ACCESS_ONCE(pt->handle_nmi) = 0;
Why is this needed? Will the hardware still generate interrupts if you
stop the PT thing?
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