From 3d9c07c4cfc06cf7927cd00c04dffd1165d03c53 Mon Sep 17 00:00:00 2001 From: Athira Rajeev Date: Mon, 16 Jan 2023 10:31:31 +0530 Subject: [PATCH] perf test build-id: Fix test check for PE file 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//linux/tools/perf/tests/pe-file.exe/5a0fd882b53084224ba47b624c55a469/elf failed: file /tmp/perf.debug.w0V/.build-id/5a/../../root//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 ${file} does not exist" exit 1 fi <<>> The buildid test is done for sha1 binary, md5 binary and also for PE file. The first two binaries are created at runtime by compiling with "--build-id" option and hence the check for sha1/md5 test should use [ ! -x ]. But in case of PE file, the permission for this input file is rw-r--r-- Hence the file added to build id cache has same permissoin Original file: ls tests/pe-file.exe | xargs stat --printf "%n %A \n" tests/pe-file.exe -rw-r--r-- buildid cache file: ls /tmp/perf.debug.w0V/.build-id/5a/../../root//linux/tools/perf/tests/pe-file.exe/5a0fd882b53084224ba47b624c55a469/elf | xargs stat --printf "%n %A \n" /tmp/perf.debug.w0V/.build-id/5a/../../root//linux/tools/perf/tests/pe-file.exe/5a0fd882b53084224ba47b624c55a469/elf -rw-r--r-- Fix the test to match with the permission of original file in case of FE file. ie if the "tests/pe-file.exe" file is not having exec permission, just check for existence of the buildid file using [ ! -e ] Signed-off-by: Athira Jajeev Cc: Andi Kleen Cc: Disha Goel Cc: Ian Rogers Cc: James Clark Cc: Jiri Olsa Cc: Kajol Jain Cc: Madhavan Srinivasan Cc: Michael Ellerman Cc: Nageswara R Sastry Cc: Namhyung Kim Cc: linuxppc-dev@lists.ozlabs.org Link: https://lore.kernel.org/r/20230116050131.17221-2-atrajeev@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/shell/buildid.sh | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/shell/buildid.sh b/tools/perf/tests/shell/buildid.sh index f05670d1e39e..aaf851108ca3 100755 --- a/tools/perf/tests/shell/buildid.sh +++ b/tools/perf/tests/shell/buildid.sh @@ -77,7 +77,20 @@ check() file=${build_id_dir}/.build-id/${id:0:2}/`readlink ${link}`/elf echo "file: ${file}" - if [ ! -x $file ]; then + # Check for file permission of original file + # in case of pe-file.exe file + echo $1 | grep ".exe" + if [ $? -eq 0 ]; then + if [ -x $1 -a ! -x $file ]; then + echo "failed: file ${file} executable does not exist" + exit 1 + fi + + if [ ! -x $file -a ! -e $file ]; then + echo "failed: file ${file} does not exist" + exit 1 + fi + elif [ ! -x $file ]; then echo "failed: file ${file} does not exist" exit 1 fi -- 2.34.1