Re: [PATCH 1/1] perf build: Require at least clang 16.0.6 to build BPF skeletons

[Namhyung Kim]

On Thu, Oct 10, 2024 at 10:11:35AM +0100, James Clark wrote:
> 
> 
> On 10/10/2024 10:00 am, James Clark wrote:
> > 
> > 
> > On 10/10/2024 2:20 am, Arnaldo Carvalho de Melo wrote:
> > > On Wed, Oct 9, 2024, 10:01 PM Namhyung Kim <namhyung@xxxxxxxxxx> wrote:
> > > 
> > > > On Tue, Oct 08, 2024 at 12:27:24AM -0700, Howard Chu wrote:
> > > > > Hi Alan, Arnaldo and James,
> > > > > 
> > > > > This problem was solved in [PATCH 0/2] perf trace: Fix support for the
> > > > > new BPF feature in clang 12 (Link:
> > > > > 
> > > > https://lore.kernel.org/linux-perf-users/20241007051414.2995674-1-
> > > > howardchu95@xxxxxxxxx/T/#t
> > > > ),
> > > > > sorry I forgot to cc you two.
> > > > > 
> > > > > Alan's thought was correct. Thank you so much! :)
> > > > 
> > > > It'd be great if any of you can test this change.  Now I only have
> > > > machines with clang 16.
> > > > 
> > > 
> > > I'll test this tomorrow.
> > > 
> > > - Arnaldo
> > > 
> > > > 
> > > > Thanks,
> > > > Namhyung
> > > > 
> > > > 
> > > 
> > 
> > Tested with clang 15:
> > 
> > $ sudo perf trace -e write --max-events=100 -- echo hello
> > 
> >    0.000 ( 0.014 ms): echo/834165 write(fd: 1, buf: hello\10, count: 6)
> >                                             =
> > 
> > Tested-by: James Clark <james.clark@xxxxxxxxxx>
> > 
> 
> Should have left this tag on the actual patch. Will re-post it there.
 
Right, thanks for taking care of this!
Namhyung