Hi Joel, It works by specifying ccflags-y += -DDEBUG in the Makefile.
Thank you for the info!!!! Cheers, Wenda Ni, Ph.D. On Mon, Oct 17, 2016 at 7:48 PM, Joel Fernandes <[email protected]> wrote: > Hi Wenda, > > pr_debug needs you to define the DEBUG macro to activate it. > > Check: > http://stackoverflow.com/questions/28936199/pr-debug-not-giving-any-output > > and the kernel docs, > https://www.kernel.org/doc/local/pr_debug.txt > > Joel > > On Mon, Oct 17, 2016 at 4:17 PM, Wenda Ni <[email protected]> wrote: > > Dear all, > > > > I am working on a kernel module that incorporate both pr_debug and > > pr_warn. I would like to see pr_debug messages from dmesg. > > > > What I followed is to specify kernel parameter by saying "loglevel=7". > > This can be seen confirmed from /proc/cmdline. But still, I donot get > > pr_debug level messages either from dmesg or from /var/log/messages. I > > also tried echo 7 > /proc/sys/kernel/printk. It does not return what I > > expect, either. > > > > Let me know what I am missing. Thank you very much in advance. > > > > Cheers, > > > > Wenda Ni, Ph.D. > > > > _______________________________________________ > > Kernelnewbies mailing list > > [email protected] > > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >
_______________________________________________ Kernelnewbies mailing list [email protected] https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
