Messages in this thread | | | Date | Thu, 27 Nov 2014 09:58:25 -0500 | From | Steven Rostedt <> | Subject | Re: [PATCH] arm: ftrace: Adds support for ftrace operations |
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On Thu, 27 Nov 2014 11:23:45 +0100 Jean-Jacques Hiblot <jjhiblot@traphandler.com> wrote:
> 2014-11-26 0:20 GMT+01:00 Steven Rostedt <rostedt@goodmis.org>: > > On Mon, 24 Nov 2014 10:59:24 +0100 > > Jean-Jacques Hiblot <jjhiblot@traphandler.com> wrote: > > > >> Hi Steve, > >> did you get a chance of running your tests suite on real hardware with > >> this patch? I'd be really interested in the results. > > > > Yes I finally got it working on my beaglebone white. It passed all the > > tests that passed without it. Although I'm not sure this patch itself > > was tested as I didn't have kprobes which might use it. > > > Thanks for testing it. At least it doesn't cause regression. > What do you mean by not having krpobes which might use it ? Are you > thinking of the kprobe optimization based on ftrace ? >
Yep. My tests use that. But as ARM doesn't have an mfentry where functions probed by kprobes at the start are optimized with ftrace, my tests wont test it.
I also didn't have kprobes enabled on this board. Is it fully supported in ARM, and does kprobes use it there too?
-- Steve
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