Hosts the 0x221E linux distro kernel. https://git.0xinfinity.dev/distro/kernel.git/atom?h=linux-5.17.y 2022-04-08T11:58:31Z 2022-04-08T11:58:31Z German Gomez 2022-03-16T17:20:15Z urn:sha1:8f50fb4bb27a83f81323101b04516554491b4537 [ Upstream commit cd6382d82752737e43ef3617bb9e72913d2b1d47 ] Add a shell script to check that the call-graphs generated using frame pointers (--call-graph fp) are complete and not missing leaf functions: | $ perf test 88 -v | 88: Check Arm64 callgraphs are complete in fp mode : | --- start --- | test child forked, pid 8734 | + Compiling test program (/tmp/test_program.Cz3yL)... | + Recording (PID=8749)... | + Stopping perf-record... | test_program.Cz | 728 leaf | 753 parent | 76c main | test child finished with 0 | ---- end ---- | Check Arm SPE callgraphs are complete in fp mode: Ok It's supposed to work with both unwinders: | $ make                # for libunwind (default) | $ make NO_LIBUNWIND=1 # for libdw Tester notes: Ran it on N1SDP and it passes, and it fails if b9f6fbb3b2c29736 ("perf arm64: Inject missing frames when using 'perf record --call-graph=fp'") isn't applied. Fixes: b9f6fbb3b2c29736 ("perf arm64: Inject missing frames when using 'perf record --call-graph=fp'") Suggested-by: Jiri Olsa <jolsa@kernel.org> Reviewed-by: James Clark <james.clark@arm.com> Tested-by: James Clark <james.clark@arm.com> Signed-off-by: German Gomez <german.gomez@arm.com> Cc: Alexandre Truong <alexandre.truong@arm.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20220316172015.98000-1-german.gomez@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>