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    SubjectRe: [PATCH v2 2/2] ftrace: printk formatting infrastructure
    On Fri, 01 Aug 2008 12:26:41 -0400 Steven Rostedt wrote:

    > +/**
    > + * ftrace_printk - printf formatting in the ftrace buffer
    > + * @fmt - the printf format for printing.

    * @fmt: the printf format for printing
    * @ip: <description>

    > + *
    > + * Note: __ftrace_printk is an internal function for ftrace_printk and
    > + * the @ip is passed in via the ftrace_printk macro.
    > + *
    > + * This function allows a kernel developer to debug fast path sections
    > + * that printk is not appropriate for. By scattering in various
    > + * printk like tracing in the code, a developer can quickly see
    > + * where problems are occurring.
    > + *
    > + * This is intended as a debugging tool for the developer only.
    > + * Please reframe from leaving ftrace_printks scattered around in
    > + * your code.
    > + */
    > +int __ftrace_printk(unsigned long ip, const char *fmt, ...)
    > +{


    ---
    ~Randy
    Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
    http://linuxplumbersconf.org/


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