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SubjectRe: [PATCH 4/6] hw-breakpoints: Rewrite the hw-breakpoints layer on top of perf events
Frederic Weisbecker writes:

> @@ -207,6 +212,15 @@ struct perf_event_attr {
> __u32 wakeup_events; /* wakeup every n events */
> __u32 wakeup_watermark; /* bytes before wakeup */
> };
> +
> + union {
> + struct { /* Hardware breakpoint info */
> + __u64 bp_addr;
> + __u32 bp_type;
> + __u32 bp_len;
> + };
> + };

I'm wondering why you don't use attr.config for anything with
breakpoint events?

Paul.


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