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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 16 Oct 2012 23:04:36 -0700
From:	Joe Perches <joe@...ches.com>
To:	Viresh Kumar <viresh.kumar@...aro.org>
Cc:	rjw@...k.pl, cpufreq@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, linaro-dev@...ts.linaro.org,
	patches@...aro.org, pdsw-power-team@....com
Subject: Re: [PATCH 1/2] cpufreq: Improve debug prints

On Wed, 2012-10-17 at 11:25 +0530, Viresh Kumar wrote:
> On 17 October 2012 11:09, Joe Perches <joe@...ches.com> wrote:
> > On Wed, 2012-10-17 at 10:50 +0530, Viresh Kumar wrote:
> >> With debug options on, it is difficult to locate cpufreq core's debug prints.
> > []
> >> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> > []
> >> @@ -15,6 +15,8 @@
> >> +#define pr_fmt(fmt) "cpufreq: " fmt
[]
> > #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

> Sorry, i am not sure how KBUILD_MODNAME is compiled by kernel.

KBUILD_MODNAME is a #define that is set by scripts/Makefile.lib.

> So, if i try KBUILD_MODNAME with my patch i get prints as:
> 
> KBUILD_MODNAME: <print - text>

I believe you are quoting KBUILD_MODNAME

try

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

This should create prefixes like
	"cpufreq: "
and
	"cpufreq_performance: "

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/