linux-kernel - selftests: ftrace: event filter function - test event filtering on functions [FAIL]

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Date:   Tue, 14 Mar 2023 15:52:44 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     open list <linux-kernel@...r.kernel.org>,
        linux-trace-kernel@...r.kernel.org,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        lkft-triage@...ts.linaro.org
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Anders Roxell <anders.roxell@...aro.org>
Subject: selftests: ftrace: event filter function - test event filtering on
 functions [FAIL]

Results from Linaro’s test farm.

selftests ftrace failed on qemu-x86_64 and qemu-arm64.
Please find the test log below.

Is this expected to fail ? Am I missing anything ?

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

kselftest: Running tests in ftrace
TAP version 13
1..1
# selftests: ftrace: ftracetest
# === Ftrace unit tests ===
# [1] Basic trace file check [PASS]

...

# [23] event filter function - test event filtering on functions [FAIL]

...
# [58] Kretprobe %return suffix test [PASS]
# [59] Register/unregister many kprobe events
[  431.662904] trace_kprobe: Could not probe notrace function startup_64
[  431.669846] trace_kprobe: Could not probe notrace function _stext
[  431.674104] trace_kprobe: Could not probe notrace function _text
[  431.675908] trace_kprobe: Could not probe notrace function
secondary_startup_64
[  431.677876] trace_kprobe: Could not probe notrace function
secondary_startup_64_no_verify
[  431.679899] trace_kprobe: Could not probe notrace function __pfx_verify_cpu
[  431.681738] trace_kprobe: Could not probe notrace function verify_cpu
[  431.683667] trace_kprobe: Could not probe notrace function
__pfx_sev_verify_cbit
[  431.685594] trace_kprobe: Could not probe notrace function sev_verify_cbit
[  431.687381] trace_kprobe: Could not probe notrace function start_cpu0
[  431.689225] trace_kprobe: Could not probe notrace function __pfx___startup_64
[  431.691223] trace_kprobe: Could not probe notrace function __startup_64
[  431.693088] trace_kprobe: Could not probe notrace function
__pfx_startup_64_setup_env
[  431.695021] trace_kprobe: Could not probe notrace function
startup_64_setup_env
[  431.697012] trace_kprobe: Could not probe notrace function
__pfx___traceiter_initcall_level
[  431.700780] trace_kprobe: Could not probe notrace function
__pfx___traceiter_initcall_start
...
[  439.183587] trace_kprobe: Could not probe notrace function
__pfx_hv_check_msr_access
[  439.186192] trace_kprobe: Could not probe notrace function
__pfx_kvm_hv_flush_tlb
...

# [106] (instance)  event filter function - test event filtering on
functions [FAIL]

...
#
# # of passed:  109
# # of failed:  2
# # of unresolved:  3
# # of untested:  0
# # of unsupported:  3
# # of xfailed:  1
# # of undefined(test bug):  0
not ok 1 selftests: ftrace: ftracetest # exit=1

log link,
https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230314/testrun/15564370/suite/kselftest-ftrace/test/ftrace_ftracetest/log

--
Linaro LKFT
https://lkft.linaro.org