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* [PATCH v3 0/6] perf test trace: Reduce test failures and make error messages verbose
@ 2025-05-28 19:11 Howard Chu
  2025-05-28 19:11 ` [PATCH v3 1/6] perf test trace: Use shell's -f flag to check if vmlinux exists Howard Chu
                   ` (7 more replies)
  0 siblings, 8 replies; 11+ messages in thread
From: Howard Chu @ 2025-05-28 19:11 UTC (permalink / raw)
  To: acme
  Cc: mingo, namhyung, mark.rutland, alexander.shishkin, jolsa, irogers,
	adrian.hunter, peterz, kan.liang, linux-perf-users, linux-kernel,
	Howard Chu

Currently, BTF tests fail constantly, this series fixes two major reasons
why they fail, and makes the error messages acquired when using '-vv'
more verbose, so when they fail, one can easily diagnose the problem.

Before:
    $ sudo /tmp/perf test enum -vv
    107: perf trace enum augmentation tests:
    107: perf trace enum augmentation tests                              : Running
    --- start ---
    test child forked, pid 783533
    Checking if vmlinux exists
    Tracing syscall landlock_add_rule
    Tracing non-syscall tracepoint syscall
    ---- end(-1) ----
    107: perf trace enum augmentation tests                              : FAILED!

After:
    $ sudo /tmp/perf test enum -vv
    107: perf trace enum augmentation tests:
    107: perf trace enum augmentation tests                              : Running
    --- start ---
    test child forked, pid 851658
    Checking if vmlinux exists
    Tracing syscall landlock_add_rule
    Tracing non-syscall tracepoint timer:hrtimer_setup,timer:hrtimer_start
    [tracepoint failure] Failed to trace tracepoint timer:hrtimer_setup,timer:hrtimer_start, output:
    event syntax error: 'timer:hrtimer_setup,timer:hrtimer_start'
			 \___ unknown tracepoint

    Error:  File /sys/kernel/tracing//events/timer/hrtimer_setup not found.
    Hint:   Perhaps this kernel misses some CONFIG_ setting to enable this feature?.

    Run 'perf list' for a list of valid events

     Usage: perf trace [<options>] [<command>]
	or: perf trace [<options>] -- <command> [<options>]
	or: perf trace record [<options>] [<command>]
	or: perf trace record [<options>] -- <command> [<options>]

	-e, --event <event>   event/syscall selector. use 'perf list' to list available events---- end(-1) ----
    107: perf trace enum augmentation tests                              : FAILED!

Changes in v3:
- Change the regex pattern in struct augmentation (Ian)

Changes in v2:
- Add an extra newline after error messages
- Rename the title of patch 3 to 'Stop tracing hrtimer_setup...'
- Take the debug diff for explanation out of patch 5 to make it apply
  normally
- Add base-commit in this cover letter

Howard Chu (6):
  perf test trace: Use shell's -f flag to check if vmlinux exists
  perf test trace: Remove set -e and print trace test's error messages
  perf test trace: Stop tracing hrtimer_setup event in trace enum test
  perf test trace: Remove set -e for BTF general tests
  perf test trace BTF: Use --sort-events in BTF general tests
  perf test trace BTF: Change the regex pattern in the struct test

 tools/perf/tests/shell/trace_btf_enum.sh    | 17 +++++++++--------
 tools/perf/tests/shell/trace_btf_general.sh | 19 +++++++++----------
 2 files changed, 18 insertions(+), 18 deletions(-)


base-commit: 628e124404b3db5e10e17228e680a2999018ab33
-- 
2.45.2


^ permalink raw reply	[flat|nested] 11+ messages in thread

end of thread, other threads:[~2025-06-13 16:16 UTC | newest]

Thread overview: 11+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-05-28 19:11 [PATCH v3 0/6] perf test trace: Reduce test failures and make error messages verbose Howard Chu
2025-05-28 19:11 ` [PATCH v3 1/6] perf test trace: Use shell's -f flag to check if vmlinux exists Howard Chu
2025-05-28 19:11 ` [PATCH v3 2/6] perf test trace: Remove set -e and print trace test's error messages Howard Chu
2025-05-28 19:11 ` [PATCH v3 3/6] perf test trace: Stop tracing hrtimer_setup event in trace enum test Howard Chu
2025-05-28 19:11 ` [PATCH v3 4/6] perf test trace: Remove set -e for BTF general tests Howard Chu
2025-05-28 19:11 ` [PATCH v3 5/6] perf test trace BTF: Use --sort-events in " Howard Chu
2025-06-13  9:40   ` kernel test robot
2025-06-13 16:16     ` Howard Chu
2025-05-28 19:11 ` [PATCH v3 6/6] perf test trace BTF: Change the regex pattern in the struct test Howard Chu
2025-06-06  2:56 ` [PATCH v3 0/6] perf test trace: Reduce test failures and make error messages verbose Namhyung Kim
2025-06-10 18:39 ` Namhyung Kim

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