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SubjectRe: [PATCH 1/2] perf: Add persistent event facilities
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On Wed, 2012-03-21 at 15:34 +0100, Borislav Petkov wrote:
> @@ -6319,6 +6332,10 @@ __perf_event_exit_task(struct perf_event *child_event,
> raw_spin_unlock_irq(&child_ctx->lock);
> }
>
> + /* do not remove persistent events on task exit */
> + if (child_event->attr.persistent)
> + return;
> +
> perf_remove_from_context(child_event);
>

Huh, the task it dying, why would you let the event stay in the task
context?


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