On Fri, Mar 19, 2021 at 03:41:57PM -0300, Arnaldo Carvalho de Melo wrote: SNIP
> LD > /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/staticobjs/libbpf-in.o > LINK /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/libbpf/libbpf.a > LINK /tmp/build/perf/util/bpf_skel/.tmp//bootstrap/bpftool > GEN-SKEL /tmp/build/perf/util/bpf_skel/bpf_prog_profiler.skel.h > GEN-SKEL /tmp/build/perf/util/bpf_skel/bperf_leader.skel.h > GEN-SKEL /tmp/build/perf/util/bpf_skel/bperf_follower.skel.h > libbpf: map 'prev_readings': unexpected def kind var. > Error: failed to open BPF object file: Invalid argument > libbpf: map 'diff_readings': unexpected def kind var. > Error: failed to open BPF object file: Invalid argument I'm getting clean build for the same options, could you please send the same output also with 'JOBS=1 V=1' > make[2]: *** [Makefile.perf:1029: > /tmp/build/perf/util/bpf_skel/bperf_leader.skel.h] Error 255 > make[2]: *** Waiting for unfinished jobs.... > make[2]: *** [Makefile.perf:1029: > /tmp/build/perf/util/bpf_skel/bperf_follower.skel.h] Error 255 > make[1]: *** [Makefile.perf:236: sub-make] Error 2 > make: *** [Makefile:110: install-bin] Error 2 > make: Leaving directory '/home/acme/git/perf/tools/perf' > [acme@quaco perf]$ clang -v > clang version 11.0.0 (https://github.com/llvm/llvm-project > 67420f1b0e9c673ee638f2680fa83f468019004f) > Target: x86_64-unknown-linux-gnu > Thread model: posix > InstalledDir: /usr/local/bin > Found candidate GCC installation: /usr/lib/gcc/x86_64-redhat-linux/10 > Selected GCC installation: /usr/lib/gcc/x86_64-redhat-linux/10 > Candidate multilib: .;@m64 > Candidate multilib: 32;@m32 > Selected multilib: .;@m64 > [acme@quaco perf]$ > I have: [jolsa@dell-r440-01 linux-perf]$ clang --version clang version 11.0.0 (Fedora 11.0.0-2.fc33) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /usr/bin jirka
