Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: 7816ab73f25590d8e3d019d402f453d73d385ea7 ("[RFC PATCH 1/2] perf dso: Use libbfd to read build_id and .gnu_debuglink section")
url: https://github.com/0day-ci/linux/commits/R-mi-Bernon/Add-basic-support-for-PE-binary-format/20200601-194254
base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git 5cde265384cad739b162cf08afba6da8857778bd

in testcase: perf-sanity-tests
with following parameters:

	perf_compiler: gcc
	ucode: 0x27



on test machine: 8 threads Intel(R) Core(TM) i7-4790 v3 @ 3.60GHz with 6G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):




If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen@intel.com>



2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 54
54: Probe SDT events                                      : FAILED!
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 55
55: is_printable_array                                    : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 56
56: Print bitmap                                          : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 57
57: perf hooks                                            : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 59
59: unit_number__scnprintf                                : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 60
60: mem2node                                              : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 61
61: time utils                                            : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 62
62: Test jit_write_elf                                    : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 63
63: Test api io                                           : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 64
64: maps__merge_in                                        : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 65
65: x86 rdpmc                                             : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 66
66: Convert perf time to TSC                              : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 67
67: DWARF unwind                                          : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 68
68: x86 instruction decoder - new instructions            : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 69
69: Intel PT packet decoder                               : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 70
70: x86 bp modify                                         : Ok
2020-07-12 15:30:39 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 71
71: probe libc's inet_pton & backtrace it with ping       : Ok
2020-07-12 15:30:41 sudo /usr/src/perf_selftests-x86_64-rhel-7.6-7816ab73f25590d8e3d019d402f453d73d385ea7/tools/perf/perf test 73
73: Zstd perf.data compression/decompression              : Ok



To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Rong Chen