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20ed532554
The tools/build/feature/test-all.c works in conjunction with the tools/build/Makefile.feature FEATURE_TESTS_BASIC and FEATURE_TESTS_EXTRA contents, so that if test-all.c manages to be built, we go on and iterate all entries in FEATURE_TESTS_BASIC + FEATURE_TESTS_EXTRA setting them to 1. To test this: $ rm -rf /tmp/b ; mkdir /tmp/b ; make -C tools/perf O=/tmp/b feature-dump $ cat /tmp/b/feature/test-all.make.output $ ldd /tmp/b/feature/test-all.bin linux-vdso.so.1 (0x00007f2a47a67000) libdw.so.1 => /lib64/libdw.so.1 (0x00007f2a477cf000) libpython3.12.so.1.0 => /lib64/libpython3.12.so.1.0 (0x00007f2a471fe000) libm.so.6 => /lib64/libm.so.6 (0x00007f2a4711a000) libtraceevent.so.1 => /lib64/libtraceevent.so.1 (0x00007f2a470f2000) libtracefs.so.1 => /lib64/libtracefs.so.1 (0x00007f2a470cb000) libcrypto.so.3 => /lib64/libcrypto.so.3 (0x00007f2a46c1b000) libz.so.1 => /lib64/libz.so.1 (0x00007f2a46bf8000) libbabeltrace-ctf.so.1 => /lib64/libbabeltrace-ctf.so.1 (0x00007f2a46bad000) libcapstone.so.5 => /lib64/libcapstone.so.5 (0x00007f2a464b8000) libopencsd_c_api.so.1 => /lib64/libopencsd_c_api.so.1 (0x00007f2a464a8000) libopencsd.so.1 => /lib64/libopencsd.so.1 (0x00007f2a46422000) libelf.so.1 => /lib64/libelf.so.1 (0x00007f2a46406000) libnuma.so.1 => /lib64/libnuma.so.1 (0x00007f2a463f6000) libslang.so.2 => /lib64/libslang.so.2 (0x00007f2a46113000) libperl.so.5.38 => /lib64/libperl.so.5.38 (0x00007f2a45d74000) libc.so.6 => /lib64/libc.so.6 (0x00007f2a45b83000) liblzma.so.5 => /lib64/liblzma.so.5 (0x00007f2a45b50000) libzstd.so.1 => /lib64/libzstd.so.1 (0x00007f2a45a91000) libbz2.so.1 => /lib64/libbz2.so.1 (0x00007f2a45a7b000) /lib64/ld-linux-x86-64.so.2 (0x00007f2a47a69000) libbabeltrace.so.1 => /lib64/libbabeltrace.so.1 (0x00007f2a45a6b000) libpopt.so.0 => /lib64/libpopt.so.0 (0x00007f2a45a5b000) libuuid.so.1 => /lib64/libuuid.so.1 (0x00007f2a45a51000) libgmodule-2.0.so.0 => /lib64/libgmodule-2.0.so.0 (0x00007f2a45a4a000) libglib-2.0.so.0 => /lib64/libglib-2.0.so.0 (0x00007f2a458fa000) libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007f2a45696000) libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007f2a45668000) libcrypt.so.2 => /lib64/libcrypt.so.2 (0x00007f2a45630000) libpcre2-8.so.0 => /lib64/libpcre2-8.so.0 (0x00007f2a45590000) $ head /tmp/b/FEATURE-DUMP feature-backtrace=1 feature-libdw=1 feature-eventfd=1 feature-fortify-source=1 feature-get_current_dir_name=1 feature-gettid=1 feature-glibc=1 feature-libbfd=1 feature-libbfd-buildid=1 feature-libcap=1 $ There are inconsistencies that are being audited, as can be seen above with the libcap case, that is not linked with test-all.bin nor is present in test-all.c, so shouldn't be set as present. Further patches are going to address those inconsistencies, but lets document this a bit more to reduce the chances of this happening again. Reviewed-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: James Clark <james.clark@linaro.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/lkml/20241211224509.797827-2-acme@kernel.org [ Fixed typo pointed out by Ian Rogers ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| .. | ||
| Documentation | ||
| feature | ||
| tests | ||
| .gitignore | ||
| Build.include | ||
| fixdep.c | ||
| Makefile | ||
| Makefile.build | ||
| Makefile.feature | ||
| Makefile.include | ||