linux-kernel - Re: [PATCH 0/3] Add trace to thermal framework

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Date:	Tue, 29 Jul 2014 09:33:27 -0400
From:	Eduardo Valentin <edubezval@...il.com>
To:	Punit Agrawal <punit.agrawal@....com>
Cc:	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	javi.merino@....com, rui.zhang@...el.com, rostedt@...dmis.org
Subject: Re: [PATCH 0/3] Add trace to thermal framework

On Tue, Jul 29, 2014 at 11:50:47AM +0100, Punit Agrawal wrote:
> Hi linux-pm,
> 
> This is the second posting of the patches to add trace to the thermal
> framework.
> 
> The linux thermal framework doesn't have any support for tracing. This
> makes it hard to run workloads and observe the thermal behaviour of
> the system without actively polling files in sysfs or enabling debug
> builds.
> 
> This patch set introduces trace events in the framework to allow
> observing the behaviour of the different components in the
> framework. The events added trace temperature changes, trip points and
> cooling device state changes.
> 
> changes since rfc:
> * Fixed an issue where incorrect trip point was traced when using fair
> share
> * Trace the numeric value of trip_type instead of using __print_symbolic

Pulled the series.

Thanks.

> 
> Punit Agrawal (3):
>   thermal: trace: Trace temperature changes
>   thermal: trace: Trace when a cooling device's state is updated
>   thermal: trace: Trace when temperature is above a trip point
> 
>  drivers/thermal/fair_share.c   |   12 ++++++
>  drivers/thermal/step_wise.c    |    5 ++-
>  drivers/thermal/thermal_core.c |    7 ++++
>  include/trace/events/thermal.h |   87 ++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 110 insertions(+), 1 deletion(-)
>  create mode 100644 include/trace/events/thermal.h
> 
> -- 
> 1.7.10.4
> 
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