Re: [PATCH 11/22] perf/core: Support a REMOVE transaction
From: Peter Zijlstra
Date: Tue Mar 19 2019 - 11:29:13 EST
On Mon, Mar 18, 2019 at 02:41:33PM -0700, kan.liang@xxxxxxxxxxxxxxx wrote:
> From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
>
> 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.