Re: linux-next: build failure after merge of the perf tree

Stephen Rothwell
2023-03-21T21:40:11Z

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Hi all,

On Fri, 17 Mar 2023 09:50:25 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> After merging the perf tree, today's linux-next build (native perf)
> failed like this:
>
> Auto-detecting system features:
> ... clang-bpf-co-re: [ ^[[32mon^[[m ]
> ... llvm: [ ^[[31mOFF^[[m ]
> ... libcap: [ ^[[32mon^[[m ]
> ... libbfd: [ ^[[32mon^[[m ]
>
> make[1]: *** Deleting file '/home/sfr/next/perf/util/bpf_skel/vmlinux.h'
> libbpf: failed to find '.BTF' ELF section in /boot/vmlinux-6.0.0-5-powerpc64le
> Error: failed to load BTF from /boot/vmlinux-6.0.0-5-powerpc64le: No data available
> make[1]: *** [Makefile.perf:1075: /home/sfr/next/perf/util/bpf_skel/vmlinux.h] Error 195
> make[1]: *** Waiting for unfinished jobs....
> make: *** [Makefile.perf:236: sub-make] Error 2
> Command exited with non-zero status 2
>
> To be clear this is a native build of perf on a PPC64le host using this
> command line:
>
> make -C tools/perf -f Makefile.perf -s -O -j60 O=../perf EXTRA_CFLAGS=-Wno-psabi
>
> (I could probably remove the EXTRA_CLFAGS now that I am building with
> gcc 12.2)
>
> I don't know which commit caused this.
>
> I have used the perf tree from next-20230316 for today.

I am still getting this build failure.

--
Cheers,
Stephen Rothwell

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