From: Peter Hurley <peter@hurleysoftware.com>
To: Muni Sekhar <munisekharrms@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: enable dynamic debug - doubt
Date: Wed, 18 Nov 2015 16:08:54 -0500 [thread overview]
Message-ID: <564CE8E6.8060903@hurleysoftware.com> (raw)
In-Reply-To: <CAHhAz+g_p9_RnsHtm5fODD29oTp-71cMR0Hk7yG3g+ARD9hEeQ@mail.gmail.com>
On 11/17/2015 07:40 AM, Muni Sekhar wrote:
> [ Please keep me in CC as I'm not subscribed to the list]
>
> Hello,
>
> The behaviour of dynamic debug prints are controlled via writing to a
> control file in the 'debugfs'
> filesystem(<debugfs>/dynamic_debug/control).
That's not the only method. You'll want to read
Documentation/dynamic-debug-howto.txt; specifically, "Debug Messages at
Module Initialization Time" for ways to enable dynamic debug messages at
module load time.
Regards,
Peter Hurley
> Here I would like to know what order should the echo(for eg: echo -n
> 'module sdhci +p' > /sys/kernel/debug/dynamic_debug/control) be
> applied in relation to the module load - before or after?
next prev parent reply other threads:[~2015-11-18 21:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-17 12:40 enable dynamic debug - doubt Muni Sekhar
2015-11-18 19:12 ` Andy Shevchenko
2015-11-18 21:08 ` Peter Hurley [this message]
2015-11-19 8:47 ` Muni Sekhar
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