On Thu, Apr 23, 2026 at 03:05:49PM +0200, Tomas Glozar wrote: > This patchset introduces some new tests to cover more options, especially > histogram and thread options. Most of the new tests use positive and negative > output matches, sometimes in combination with action scripts, to verify that > RTLA is applying the settings correctly. > > Tests were reorganized a little, adding two new sections: thread tests and > histogram tests, next to basic tests. > > Additionally, coverage of existing tests is extended by adding new matches and > by extending tests to cover both top and hist tools where possible. For the > latter, new helpers check_top_hist and check_top_q_hist are added to > engine.sh. > > As part of the new action scripts, detection of measurement threads is made > more > robust by following child processes of either RTLA (user workload) or kthreadd > (kernel workload) rather than grepping through the comms of all processes, > which > might have lead to false positives. > > These changes significantly improve test coverage and make the test suite more > against false positives from unrelated processes.
Reviewed-by: Wander Lairson Costa <[email protected]> > > Tomas Glozar (9): > rtla/tests: Cover both top and hist tools where possible > rtla/tests: Add get_workload_pids() helper > rtla/tests: Check -c/--cpus thread affinity > rtla/tests: Use negative match when testing --aa-only > rtla/tests: Extend timerlat top --aa-only coverage > rtla/tests: Cover all hist options in runtime tests > rtla/tests: Add runtime test for -H/--house-keeping > rtla/tests: Add runtime test for -k and -u options > rtla/tests: Add runtime tests for -C/--cgroup > > tools/tracing/rtla/tests/engine.sh | 15 +++ > tools/tracing/rtla/tests/osnoise.t | 73 +++++++---- > .../rtla/tests/scripts/check-cgroup-match.sh | 17 +++ > .../tracing/rtla/tests/scripts/check-cpus.sh | 9 ++ > .../tests/scripts/check-housekeeping-cpus.sh | 4 + > .../rtla/tests/scripts/check-priority.sh | 8 +- > .../scripts/check-user-kernel-threads.sh | 16 +++ > .../tests/scripts/lib/get_workload_pids.sh | 11 ++ > tools/tracing/rtla/tests/timerlat.t | 113 +++++++++++------- > 9 files changed, 194 insertions(+), 72 deletions(-) > create mode 100755 tools/tracing/rtla/tests/scripts/check-cgroup-match.sh > create mode 100755 tools/tracing/rtla/tests/scripts/check-cpus.sh > create mode 100755 > tools/tracing/rtla/tests/scripts/check-housekeeping-cpus.sh > create mode 100755 > tools/tracing/rtla/tests/scripts/check-user-kernel-threads.sh > create mode 100644 tools/tracing/rtla/tests/scripts/lib/get_workload_pids.sh > > -- > 2.53.0 >
