On Thu, Aug 19, 2021 at 12:27 AM Li Zhijian <lizhijian@xxxxxxxxxxxxxx> wrote: > > For 'make run_tests': > selftests will build bpftool into tools/testing/selftests/bpf/tools/sbin/bpftool > by default. > > ================== > root@lkp-skl-d01 /opt/rootfs/v5.14-rc4# make -C tools/testing/selftests/bpf run_tests > make: Entering directory '/opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf' > MKDIR include > MKDIR libbpf > MKDIR bpftool > [...] > GEN /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/tools/build/bpftool/profiler.skel.h > CC /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/tools/build/bpftool/prog.o > GEN /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/tools/build/bpftool/pid_iter.skel.h > CC /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/tools/build/bpftool/pids.o > LINK /opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/tools/build/bpftool/bpftool > INSTALL bpftool > GEN vmlinux.h > [...] > # test_feature_dev_json (test_bpftool.TestBpftool) ... ERROR > # test_feature_kernel (test_bpftool.TestBpftool) ... ERROR > # test_feature_kernel_full (test_bpftool.TestBpftool) ... ERROR > # test_feature_kernel_full_vs_not_full (test_bpftool.TestBpftool) ... ERROR > # test_feature_macros (test_bpftool.TestBpftool) ... Error: bug: failed to retrieve CAP_BPF status: Invalid argument > # ERROR > # > # ====================================================================== > # ERROR: test_feature_dev_json (test_bpftool.TestBpftool) > # ---------------------------------------------------------------------- > # Traceback (most recent call last): > # File "/opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/test_bpftool.py", line 57, in wrapper > # return f(*args, iface, **kwargs) > # File "/opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/test_bpftool.py", line 82, in test_feature_dev_json > # res = bpftool_json(["feature", "probe", "dev", iface]) > # File "/opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/test_bpftool.py", line 42, in bpftool_json > # res = _bpftool(args) > # File "/opt/rootfs/v5.14-rc4/tools/testing/selftests/bpf/test_bpftool.py", line 34, in _bpftool > # return subprocess.check_output(_args) > # File "/usr/lib/python3.7/subprocess.py", line 395, in check_output > # **kwargs).stdout > # File "/usr/lib/python3.7/subprocess.py", line 487, in run > # output=stdout, stderr=stderr) > # subprocess.CalledProcessError: Command '['bpftool', '-j', 'feature', 'probe', 'dev', 'dummy0']' returned non-zero exit status 255. > # > ================== > > Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxxxxx> Acked-by: Song Liu <songliubraving@xxxxxx> > --- > tools/testing/selftests/bpf/test_bpftool.sh | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/tools/testing/selftests/bpf/test_bpftool.sh b/tools/testing/selftests/bpf/test_bpftool.sh > index 66690778e36d..6b7ba19be1d0 100755 > --- a/tools/testing/selftests/bpf/test_bpftool.sh > +++ b/tools/testing/selftests/bpf/test_bpftool.sh > @@ -2,4 +2,9 @@ > # SPDX-License-Identifier: GPL-2.0 > # Copyright (c) 2020 SUSE LLC. > > +SCRIPT_DIR=$(dirname $(realpath $0)) > + > +# 'make -C tools/testing/selftests/bpf' will install to BPFTOOL_INSTALL_PATH > +BPFTOOL_INSTALL_PATH="$SCRIPT_DIR"/tools/sbin > +export PATH=$BPFTOOL_INSTALL_PATH:$PATH > python3 -m unittest -v test_bpftool.TestBpftool > -- > 2.32.0 > > >