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Date: Mon, 25 Apr 2022 16:12:50 +0200 From: Greg KH <gregkh@...uxfoundation.org> To: Lukasz Luba <lukasz.luba@....com> Cc: linux-kernel@...r.kernel.org, sudeep.holla@....com, dietmar.eggemann@....com, vincent.guittot@...aro.org, rafael@...nel.org, rostedt@...dmis.org, mingo@...hat.com Subject: Re: [PATCH v2] arch_topology: Trace the update thermal pressure On Mon, Apr 25, 2022 at 02:53:17PM +0100, Lukasz Luba wrote: > Add trace event to capture the moment of the call for updating the thermal > pressure value. It's helpful to investigate how often those events occurs > in a system dealing with throttling. This trace event is needed since the > old 'cdev_update' might not be used by some drivers. Also, the new trace > event shows capacity value, not a cooling state. Wait, why are thermal events not going through the thermal system so that thermal_cdev_update() would catch them? Don't work around broken systems, force them to use the correct apis. thanks, greg k-h
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