After run perf_events_test.py in Rhel8.1 with Avocado(version:77.0), it shows "FAIL: There are 15 test(s) failure, please check the job.log"

[Gene-Lo]

【Test Result】
After run perf_events_test.py in Rhel8.1 with Avocado(version:77.0), it shows "FAIL: There are 15 test(s) failure, please check the job.log”. After re-test it by manual, the result is similar.
Test-logs of running perf_events_test.py are like below:

《SOL-log》
(1/1) perf_events_test.py:Perf_subsystem.test: FAIL: There are 15 test(s) failure, please check the job.log (194.32 s)
RESULTS : PASS 0 | ERROR 0 | FAIL 1 | SKIP 0 | WARN 0 | INTERRUPT 0 | CANCEL 0

《job-log》

Checking generalized events
tests/generalized_events/l1-dcache-stores
Testing "L1-dcache-stores" generalized event... FAILED
Checking basic perf_event functionality
tests/attr_fields/exclusive
Testing exclusive eventsets... FAILED
tests/flags/flags_fd_output
Testing PERF_FLAG_FD_OUTPUT flag... KNOWN KERNEL BUG
Checking perf_event ioctl calls
tests/ioctl/ioctl_4_period
Testing ioctl(PERF_EVENT_IOC_PERIOD)... FAILED
　+ tests/ioctl/ioctl_5_set_output
Testing PERF_EVENT_IOC_SET_OUTPUT ioctl... FAILED
tests/ioctl/ioctl_8_set_bpf
Cannot open /sys/kernel/tracing/kprobe_events!
You may want to: mount -t tracefs nodev /sys/kernel/tracing
Testing PERF_EVENT_IOC_SET_BPF ioctl... FAILED
tests/ioctl/ioctl_10_query_bpf
Cannot open /sys/kernel/tracing/kprobe_events!
You may want to: mount -t tracefs nodev /sys/kernel/tracing
Testing PERF_EVENT_IOC_QUERY_BPF ioctl... FAILED
tests/ioctl/ioctl_11_modify_attributes
ioctl didn't work Bad file descriptor
Testing ioctl(PERF_EVENT_IOC_MODIFY_ATTRIBUTES)... FAILED
Checking perf_event prctl calls
tests/prctl/prctl
Testing prctl()... FAILED
Checking error returns
tests/error_returns/einval
Testing EINVAL generation... FAILED
tests/error_returns/eperm
Testing EPERM generation... FAILED
Checking mmap record sample functionality
tests/record_sample/sample_regs_user
./run_tests.sh: line 366: 17318 Segmentation fault (core dumped) $TESTS_DIR/record_sample/sample_regs_user
tests/record_sample/sample_stack_user
Testing PERF_SAMPLE_STACK_USER... FAILED
Checking OpenMP support
tests/openmp/openmp_test
Testing OpenMP results... FAILED
tests/openmp/openmp_overflow
Testing OpenMP overflow results... FAILED
【Expect Result】
After run perf_events_test.py, it should show PASS.

【Test Steps】
Run perf_events_test.py via cmd "avocado run perf_events_test.py"

【Configuration】
[Rhel8.1 Kernel]
4.18.0-147.5.1.el8_1.ppc64le

[FW configuration]
BMC: op940.00.mih-5-0-g86f9791c2
PNOR: OP9-v2.4-4.37-prod

[HW configuration]
CPU DD2.3 20core *2
Hynix (HMA82GR7CJR4N-VKT3/F) 16G *16
Seagate Jaguar 400GB *2
PSU ACBEL 2000w *2

【Test log】: job-log & Manual-Test-log
Test.log.zip

[Gene-Lo]

After we re-test perf_events_test.py in Rhel8.2 with Avocado (Version: 80), it shows similar fail:

【SOL log】
↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
(1/1) perf_events_test.py:Perf_subsystem.test: FAIL: There are 14 test(s) failure, please check the job.log (327.44 s)
RESULTS : PASS 0 | ERROR 0 | FAIL 1 | SKIP 0 | WARN 0 | INTERRUPT 0 | CANCEL 0
↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑

【JOB log】
↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
（...... SKIP ......）
DEBUG| [stdout] + tests/attr_fields/exclusive
DEBUG| [stdout] Testing exclusive eventsets... FAILED
（...... SKIP ......）
DEBUG| [stdout] + tests/ioctl/ioctl_4_period
DEBUG| [stdout] Testing ioctl(PERF_EVENT_IOC_PERIOD)... FAILED
DEBUG| [stdout] + tests/ioctl/ioctl_5_set_output
DEBUG| [stdout] Testing PERF_EVENT_IOC_SET_OUTPUT ioctl... FAILED
（...... SKIP ......）
DEBUG| [stdout] + tests/ioctl/ioctl_8_set_bpf
DEBUG| [stdout] Cannot open /sys/kernel/tracing/kprobe_events!
DEBUG| [stdout] You may want to: mount -t tracefs nodev /sys/kernel/tracing
DEBUG| [stdout] Testing PERF_EVENT_IOC_SET_BPF ioctl... FAILED
（...... SKIP ......）
DEBUG| [stdout] + tests/ioctl/ioctl_10_query_bpf
DEBUG| [stdout] Cannot open /sys/kernel/tracing/kprobe_events!
DEBUG| [stdout] You may want to: mount -t tracefs nodev /sys/kernel/tracing
DEBUG| [stdout] Testing PERF_EVENT_IOC_QUERY_BPF ioctl... FAILED
DEBUG| [stdout] + tests/ioctl/ioctl_11_modify_attributes
DEBUG| [stderr] ioctl didn't work Bad file descriptor
DEBUG| [stdout] Testing ioctl(PERF_EVENT_IOC_MODIFY_ATTRIBUTES)... FAILED
DEBUG| [stdout]
DEBUG| [stdout] * Checking perf_event prctl calls
DEBUG| [stdout] + tests/prctl/prctl
DEBUG| [stdout] Testing prctl()... FAILED
（...... SKIP ......）
DEBUG| [stdout] + tests/error_returns/einval
DEBUG| [stdout] Testing EINVAL generation... FAILED
（...... SKIP ......）
DEBUG| [stdout] + tests/error_returns/eperm
DEBUG| [stdout] Testing EPERM generation... FAILED
（...... SKIP ......）
DEBUG| [stdout] + tests/record_sample/sample_regs_user
DEBUG| [stdout] + tests/record_sample/sample_stack_user
DEBUG| [stdout] Testing PERF_SAMPLE_STACK_USER... FAILED
（...... SKIP ......）
DEBUG| [stdout] * Checking OpenMP support
DEBUG| [stdout] + tests/openmp/openmp_test
DEBUG| [stdout] Testing OpenMP results... FAILED
DEBUG| [stdout] + tests/openmp/openmp_overflow
DEBUG| [stdout] Testing OpenMP overflow results... FAILED
↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑
【Test log】
20200812-Distro-perf_events_test-job.log

【Configuration】

[Rhel8.2 Kernel]
4.18.0-193.14.3.el8_2.ppc64le

[FW config]
BMC: op940.00.mih-5-0-g86f9791c2
PNOR: OP9-v2.4-4.37-prod

[HW config]
CPU DD2.3 20core *2
Micron (MTA18ASF2G72PZ-2G9E1) 16G *16
Samsung PM985 960GB *1
PSU ACBEL 2000w *2
Broadcom 9300-8i SAS/SATA HBA PCIe Gen3 x8 LP @ slot5