linux-kernel - [PATCHSET 0/6] perf test: Improve perf record tests (v1)

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Date:   Tue,  6 Sep 2022 23:46:39 -0700
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>,
        linux-perf-users@...r.kernel.org,
        Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCHSET 0/6] perf test: Improve perf record tests (v1)

Hello,

This patchset improves the perf record tests to check more cases so
that it can find problems early.  The motivation is a failure in
per-thread mmap with multi-threaded targets which Adrian is working on
the fix.

I added a custom test program and more combinations like system-wide
and command line workload (in per-process mode) testing with
multi-threaded recording mode.

Currently it fails on per-thread and register capture tests.  The
system-wide test was skipped since I ran it as a normal user.  We can
use this to verify Adirian's fix and future works.

  $ ./perf test -v 86
   86: perf record tests                                               :
  --- start ---
  test child forked, pid 1190747
  Build a test program
  Basic --per-thread mode test
  Per-thread record [Failed record]
  Register capture test
  Register capture test [Failed missing output]
  Basic --system-wide mode test
  System-wide record [Skipped not supported]
  Basic target workload test
  Basic target workload test [Success]
  test child finished with -1
  ---- end ----
  perf record tests: FAILED!


You can find it in 'perf/record-test-v1' branch in

  git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git

Thanks,
Namhyung


Namhyung Kim (6):
  perf test: Do not use instructions:u explicitly
  perf test: Use a test program in perf record tests
  perf test: Test record with --threads option
  perf test: Add system-wide mode in perf record tests
  perf test: Add target workload test in perf record tests
  perf test: Do not set TEST_SKIP for record subtests

 tools/perf/tests/shell/record.sh | 150 +++++++++++++++++++++++++++----
 1 file changed, 133 insertions(+), 17 deletions(-)


base-commit: 6c3bd8d3e01d9014312caa52e4ef1c29d5249648
-- 
2.37.2.789.g6183377224-goog