Messages in this thread | | | Subject | Re: enable dynamic debug - doubt | From | Peter Hurley <> | Date | Wed, 18 Nov 2015 16:08:54 -0500 |
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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?
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