How can I 'getchar()' in module code?

Fan Du fan.du at
Thu Dec 5 20:40:17 EST 2013

On 2013年12月03日 20:35, 乃宏周 wrote:
> For debugging purpose, I want something like 'getchar()' that can pause execution in the module code. Do any candidates I can choose?

Create a /proc/knob to turn on or off your code path flow on fly, instead of using user space getchar.
Otherwise, you should looking into other more promising debug method.

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--fan fan

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