linux-kernel - Re: [PATCH 1/2] cpufreq: Improve debug prints

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Date:	Wed, 17 Oct 2012 10:58:04 +0100
From:	Sudeep KarkadaNagesha <Sudeep.KarkadaNagesha@....com>
To:	Viresh Kumar <viresh.kumar@...aro.org>
CC:	Sudeep KarkadaNagesha <Sudeep.KarkadaNagesha@....com>,
	"rjw@...k.pl" <rjw@...k.pl>,
	"cpufreq@...r.kernel.org" <cpufreq@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linaro-dev@...ts.linaro.org" <linaro-dev@...ts.linaro.org>,
	"patches@...aro.org" <patches@...aro.org>,
	PDSW-power-team <PDSW-power-team@....com>
Subject: Re: [PATCH 1/2] cpufreq: Improve debug prints

On 17/10/12 10:39, Viresh Kumar wrote:
> On 17 October 2012 14:55, Sudeep KarkadaNagesha
> <Sudeep.KarkadaNagesha@....com> wrote:
>> With CONFIG_DYNAMIC_DEBUG, you can control(enable/disable) debug
>> prints at different levels (file, module, line, function)
>
> Quickly went through this :)
> http://www.kernel.org/doc/ols/2009/ols2009-pages-39-46.pdf
>
May be kernel/Documentation/dynamic-debug-howto.txt is more up-to-date.

> My usecase is a bit different. I want to see all bootprints with
> cpufreq pr_debug
> prints. So, this prefixing will help there.
>
> Also, i am not sure if dynamic debug will help in boot prints too?
The document covers "Debug messages during Boot Process" even though I 
have never tried :)

Regards,
Sudeep

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