Messages in this thread | | | Date | Tue, 18 Apr 2017 22:49:53 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH] of: introduce event tracepoints for dynamic device_node lifecyle |
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On Tue, 18 Apr 2017 18:42:32 -0700 Frank Rowand <frowand.list@gmail.com> wrote:
> And of course the other issue with using tracepoints is the extra space > required to hold the tracepoint info. With the pr_debug() approach, the > space usage can be easily removed for a production kernel via a config > option.
Now if you are saying you want to be able to enable debugging without the tracing infrastructure I would agree. As the tracing infrastructure is large. But I'm working on shrinking it more.
> > Tracepoints are wonderful technology, but not always the proper tool to > use for debug info.
But if you are going to have tracing enabled regardless, adding a few more tracepoints isn't going to make the difference.
-- Steve
> > > If Rob wants to convert printk() style data to trace data (and I can't > > convince him otherwise) then I will have further comments on this specific > > patch. > >
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