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SubjectRe: [PATCH 11/22] perf/core: Support a REMOVE transaction
On Mon, Mar 18, 2019 at 02:41:33PM -0700, kan.liang@linux.intel.com wrote:
> From: Andi Kleen <ak@linux.intel.com>
>
> For TopDown metrics it is useful to have a remove transaction when
> the counter is unscheduled, so that the value can be saved correctly.
> Add a remove transaction to the perf core.

That needs more explaining.

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