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    SubjectRe: [PATCH] ftrace: Documentation
    On Thu, Jul 10, 2008 at 10:16 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
    >
    > This is the long awaited ftrace.txt. It explains in quite detail how to
    > use ftrace and the various tracers.

    This is quite good. Thanks!

    > +Output format:
    > +--------------
    > +
    > +Here's an example of the output format of the file "trace"
    > +
    > + --------
    > +# tracer: ftrace
    > +#
    > +# TASK-PID CPU# TIMESTAMP FUNCTION
    > +# | | | | |
    > + bash-4251 [01] 10152.583854: path_put <-path_walk
    > + bash-4251 [01] 10152.583855: dput <-path_put
    > + bash-4251 [01] 10152.583855: _atomic_dec_and_lock <-dput
    > + --------

    A small caveat here...the function names may be substituted with a
    "[unkown/kretprobe'd]" under special circumstances
    (http://lkml.org/lkml/2008/5/27/275). May be that should be mentioned
    here?

    --
    Regards,
    Abhishek


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