Re: [PATCH v3 1/3] kasan: switch kunit tests to console tracepoints

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On Mon, May 1, 2023 at 3:02 PM Peter Collingbourne <pcc@xxxxxxxxxx> wrote:
>
> On Thu, Feb 23, 2023 at 10:45 PM Peter Collingbourne <pcc@xxxxxxxxxx> wrote:
> >
> > On Wed, Feb 15, 2023 at 11:33 AM Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> > >
> > > On Wed, 15 Feb 2023 09:57:40 +0100
> > > Marco Elver <elver@xxxxxxxxxx> wrote:
> > >
> > > > Yes, you are right, and it's something I've wondered how to do better
> > > > as well. Let's try to consult tracing maintainers on what the right
> > > > approach is.
> > >
> > > I have to go and revisit the config options for CONFIG_FTRACE and
> > > CONFIG_TRACING, as they were added when this all started (back in
> > > 2008), and the naming was rather all misnomers back then.
> > >
> > > "ftrace" is really for just the function tracing, but CONFIG_FTRACE
> > > really should just be for the function tracing infrastructure, and
> > > perhaps not even include trace events :-/ But at the time it was
> > > created, it was for all the "tracers" (this was added before trace
> > > events).
> >
> > It would be great to see this cleaned up. I found this aspect of how
> > tracing works rather confusing.
> >
> > So do you think it makes sense for the KASAN tests to "select TRACING"
> > for now if the code depends on the trace event infrastructure?
>
> Any thoughts? It looks like someone else got tripped up by this:
> https://reviews.llvm.org/D144057

https://reviews.llvm.org/D144057#4311029
Peter, please triple check.
-- 
Thanks,
~Nick Desaulniers





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