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Perf test "build id cache operations" fails for PE executable. Logs
below from powerpc system. Same is observed on x86 as well.
<<>>
Adding 5a0fd882b53084224ba47b624c55a469 ./tests/shell/../pe-file.exe: Ok
build id: 5a0fd882b53084224ba47b624c55a469
link: /tmp/perf.debug.w0V/.build-id/5a/0fd882b53084224ba47b624c55a469
file: /tmp/perf.debug.w0V/.build-id/5a/../../root/<user>/linux/tools/perf/tests/pe-file.exe/5a0fd882b53084224ba47b624c55a469/elf
failed: file /tmp/perf.debug.w0V/.build-id/5a/../../root/<user>/linux/tools/perf/tests/pe-file.exe/5a0fd882b53084224ba47b624c55a469/elf does not exist
test child finished with -1
---- end ----
build id cache operations: FAILED!
<<>>
The test tries to do:
<<>>
mkdir /tmp/perf.debug.TeY1
perf --buildid-dir /tmp/perf.debug.TeY1 buildid-cache -v -a ./tests/shell/../pe-file.exe
<<>>
The option "--buildid-dir" sets the build id cache directory as
/tmp/perf.debug.TeY1. The option given to buildid-cahe, ie "-a
./tests/shell/../pe-file.exe", is to add the pe-file.exe to the cache.
The testcase, sets buildid-dir and adds the file: pe-file.exe to build
id cache. To check if the command is run successfully, "check" function
looks for presence of the file in buildid cache directory. But the check
here expects the added file to be executable. Snippet below:
<<>>
if [ ! -x $file ]; then
echo "failed: file ${file} does not exist"
exit 1
fi
<<>>
The buildid test is done for sha1 binary, md5 binary and also for PE
file. The first two binaries are created at runtime by compiling with
"--build-id" option and hence the check for sha1/md5 test should use [ !
-x ]. But in case of PE file, the permission for this input file is
rw-r--r-- Hence the file added to build id cache has same permissoin
Original file:
ls tests/pe-file.exe | xargs stat --printf "%n %A \n"
tests/pe-file.exe -rw-r--r--
buildid cache file:
ls /tmp/perf.debug.w0V/.build-id/5a/../../root/<user>/linux/tools/perf/tests/pe-file.exe/5a0fd882b53084224ba47b624c55a469/elf | xargs stat --printf "%n %A \n"
/tmp/perf.debug.w0V/.build-id/5a/../../root/<user>/linux/tools/perf/tests/pe-file.exe/5a0fd882b53084224ba47b624c55a469/elf -rw-r--r--
Fix the test to match with the permission of original file in case of FE
file. ie if the "tests/pe-file.exe" file is not having exec permission,
just check for existence of the buildid file using [ ! -e <file> ]
Signed-off-by: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Disha Goel <disgoel@linux.ibm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Link: https://lore.kernel.org/r/20230116050131.17221-2-atrajeev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3d9c07c4cf