[cups-devel] Debug Logging in Cups

David Valleau valleau at chromium.org
Thu Oct 19 12:35:15 PDT 2017


Are there any other flags that I might be missing?

I tried changing the environment variable to "CUPS_DEBUG_LEVEL=9" but I am
still not seeing any output from the DEBUG_printf() calls in stderror.

Thanks,
David

On Thu, Oct 19, 2017 at 11:49 AM, Michael Sweet <msweet at apple.com> wrote:

> David,
>
> You want "CUPS_DEBUG_LEVEL=9", not "CUPS_LOG_LEVEL=9"...
>
>
> > On Oct 19, 2017, at 2:43 PM, David Valleau <valleau at chromium.org> wrote:
> >
> > Hello,
> >
> > I am currently doing some work in the CUPS code and am having some
> trouble
> > getting debug logging to work.
> >
> > I have run:
> >
> >   - ./configure --enable-debug --enable-debug-guards
> --enable-debug-printfs
> >   - make clean
> >   - make
> >
> > I then run the backend that I am testing using the following command:
> >
> >   - CUPS_DEBUG_FILTER=".*" CUPS_DEBUG_LOG="-" CUPS_LOG_LEVEL=9 ./ipp
> >
> > However, when running this backend the outputs from all of the
> > "DEBUG_printf" macros in the execution path do not seem to be displayed.
> >
> > How can I get these macros to display? I am having some trouble trying to
> > debug my changes right now since I am flying blind without any debugging
> > information.
> >
> > I should not that I have tried a number of different values for the
> > CUPS_DEBUG_LOG and CUPS_LOG_LEVEL environment variables already.
> >
> > Thanks,
> > David
> > _______________________________________________
> > cups-devel mailing list
> > cups-devel at cups.org
> > https://lists.cups.org/mailman/listinfo/cups-devel
>
> _________________________________________________________
> Michael Sweet, Senior Printing System Engineer
>
> _______________________________________________
> cups-devel mailing list
> cups-devel at cups.org
> https://lists.cups.org/mailman/listinfo/cups-devel
>


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