Messages in this thread | | | Date | Thu, 18 Aug 2022 14:49:20 +0100 | From | Marc Zyngier <> | Subject | Re: [PATCH v1] regmap: introduce value tracing for regmap bulk operations |
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On Thu, 18 Aug 2022 13:15:00 +0100, Dmitry Rokosov <DDRokosov@sberdevices.ru> wrote: > > +Thomas, Rasmus and Marc > > On Tue, Aug 16, 2022 at 06:14:48PM +0000, Dmitry Rokosov wrote: > > Currently, only one-register io operations support tracepoints with > > value logging. For the regmap bulk operations developer can view > > hw_start/hw_done tracepoints with starting reg number and registers > > count to be reading or writing. This patch injects tracepoints with > > dumping registers values in the hex format to regmap bulk reading > > and writing.
I don't care much about regmap as a MMIO backend, but it strikes me as odd that you end up with multiple ways of logging the same stuff (with a memcpy in the middle of it).
Why can't this be done with a small amount of trace post-processing?
M.
-- Without deviation from the norm, progress is not possible.
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