On Mon, Nov 22, 2021 at 11:35 AM Max Krummenacher <max.oss...@gmail.com> wrote:
>
> I am trying out a kernel recipe using linux master, 5.16-rc2. I found
> that perf fails to build in do_compile with such a setup.
> Root cause is that the kernel did add 'static' and 'const' to the
> arrays of structs which sort-pmuevents does sort.
> This is addressed in the second commit.
>
> While at it I noticed that there are some struct arrays which neither
> have a name or cpuid element with 1 array element. That 1 element was
> dropped. I did not verify if that causes any issues at runtime, however
> that behaviour was improved with the first commit.
What MACHINE were you testing against ? When I build perf against my
-rc2 dev kernel, I still run into the build issues with these commits
in place.
I just want to make sure that I'm not seeing something different .. so
I can do some runs against a similar config as you are using.
Bruce
>
> Note that the kernel itself doesn't build either as after 5.15 it now
> does try to run the dt_binding_check for which the kernel recipe does
> not provide whatever stuff is needed.
> I just did a revert patch for commit 53182e81f47d ("kbuild: Enable
> DT schema checks for %.dtb targets") to get over that.
>
> Max Krummenacher (2):
> perf: sort-pmuevents: don't drop elements
> perf: sort-pmuevents: allow for additional type qualifiers and storage
> class
>
> .../perf/perf/sort-pmuevents.py | 28 +++++++++++--------
> 1 file changed, 16 insertions(+), 12 deletions(-)
>
> --
> 2.20.1
>
--
- Thou shalt not follow the NULL pointer, for chaos and madness await
thee at its end
- "Use the force Harry" - Gandalf, Star Trek II
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