Re: [RFC PATCH 0/5] Start aligning perf test with kunit style

Jiri Olsa
2021-09-22T21:55:18Z

On Wed, Sep 22, 2021 at 01:19:53AM -0700, Ian Rogers wrote:
> Perf test uses its own structs and code layout that differs from kunit
> that was more recently introduced to the kernel. Besides consistency,
> it is hoped that moving in the direction of kunit style will enable
> reuse of infrastructure like test output formatting for continuous
> testing systems. For example:
> https://lore.kernel.org/linux-kselftest/CA+GJov6tdjvY9x12JsJT14qn6c7NViJxqaJk+r-K1YJzPggFDQ@mail.gmail.com/
>
> The motivation for this restructuring comes from wanting to be able to
> tag tests with a size:
> https://lore.kernel.org/linux-perf-users/CAP-5=fWmGyuqFKc-EMP3rbmTkjZ3MS+YSajGZfeRMc38HS82gw@mail.gmail.com/
> To have more exhaustive and slower running tests. This isn't
> something kunit currently supports, nor is the execution of python and
> shell tests, but it seems sensible to work on an approach with kunit
> rather to invent a new wheel inside of perf.
>
> These initial patches are just refactoring the main test suite
> definitions to be in a more kunit style. Kunit isn't depended upon, it
> is hoped that this can be done in later patches for the sake of
> consistency.

seems good.. how far away from kunit is the code now?

>
> v1. Built/tested on x86.
>
> Ian Rogers (5):
> perf test: Use macro for "suite" declarations
> perf test: Use macro for "suite" definitions
> perf test: Make each test/suite its own struct.
> perf test: Move each test suite struct to its test
> perf test: Rename struct test to test_suite
>
> tools/perf/arch/arm/include/arch-tests.h | 2 +-
> tools/perf/arch/arm/tests/arch-tests.c | 21 +-
> tools/perf/arch/arm/tests/vectors-page.c | 2 +-
> tools/perf/arch/arm64/include/arch-tests.h | 2 +-
> tools/perf/arch/arm64/tests/arch-tests.c | 15 +-
> tools/perf/arch/powerpc/include/arch-tests.h | 2 +-
> tools/perf/arch/powerpc/tests/arch-tests.c | 15 +-

I can run/test this on ppc/arm if you don't have any

jirka

> tools/perf/arch/x86/include/arch-tests.h | 14 +-
> tools/perf/arch/x86/tests/arch-tests.c | 47 +-
> tools/perf/arch/x86/tests/bp-modify.c | 2 +-
> tools/perf/arch/x86/tests/insn-x86.c | 2 +-
> tools/perf/arch/x86/tests/intel-cqm.c | 2 +-
> .../x86/tests/intel-pt-pkt-decoder-test.c | 2 +-
> tools/perf/arch/x86/tests/rdpmc.c | 2 +-
> tools/perf/arch/x86/tests/sample-parsing.c | 2 +-
> tools/perf/tests/api-io.c | 6 +-
> tools/perf/tests/attr.c | 4 +-
> tools/perf/tests/backward-ring-buffer.c | 4 +-
> tools/perf/tests/bitmap.c | 4 +-
> tools/perf/tests/bp_account.c | 10 +-
> tools/perf/tests/bp_signal.c | 8 +-
> tools/perf/tests/bp_signal_overflow.c | 8 +-
> tools/perf/tests/bpf.c | 22 +-
> tools/perf/tests/builtin-test.c | 441 ++++--------------
> tools/perf/tests/clang.c | 18 +-
> tools/perf/tests/code-reading.c | 4 +-
> tools/perf/tests/cpumap.c | 10 +-
> tools/perf/tests/demangle-java-test.c | 4 +-
> tools/perf/tests/demangle-ocaml-test.c | 4 +-
> tools/perf/tests/dlfilter-test.c | 4 +-
> tools/perf/tests/dso-data.c | 10 +-
> tools/perf/tests/dwarf-unwind.c | 2 +-
> tools/perf/tests/event-times.c | 4 +-
> tools/perf/tests/event_update.c | 4 +-
> tools/perf/tests/evsel-roundtrip-name.c | 4 +-
> tools/perf/tests/evsel-tp-sched.c | 4 +-
> tools/perf/tests/expand-cgroup.c | 6 +-
> tools/perf/tests/expr.c | 4 +-
> tools/perf/tests/fdarray.c | 7 +-
> tools/perf/tests/genelf.c | 6 +-
> tools/perf/tests/hists_cumulate.c | 4 +-
> tools/perf/tests/hists_filter.c | 4 +-
> tools/perf/tests/hists_link.c | 4 +-
> tools/perf/tests/hists_output.c | 4 +-
> tools/perf/tests/is_printable_array.c | 4 +-
> tools/perf/tests/keep-tracking.c | 4 +-
> tools/perf/tests/kmod-path.c | 4 +-
> tools/perf/tests/llvm.c | 22 +-
> tools/perf/tests/maps.c | 4 +-
> tools/perf/tests/mem.c | 4 +-
> tools/perf/tests/mem2node.c | 4 +-
> tools/perf/tests/mmap-basic.c | 4 +-
> tools/perf/tests/mmap-thread-lookup.c | 4 +-
> tools/perf/tests/openat-syscall-all-cpus.c | 5 +-
> tools/perf/tests/openat-syscall-tp-fields.c | 4 +-
> tools/perf/tests/openat-syscall.c | 5 +-
> tools/perf/tests/parse-events.c | 4 +-
> tools/perf/tests/parse-metric.c | 4 +-
> tools/perf/tests/parse-no-sample-id-all.c | 4 +-
> tools/perf/tests/pe-file-parsing.c | 6 +-
> tools/perf/tests/perf-hooks.c | 4 +-
> tools/perf/tests/perf-record.c | 4 +-
> tools/perf/tests/perf-time-to-tsc.c | 10 +-
> tools/perf/tests/pfm.c | 16 +-
> tools/perf/tests/pmu-events.c | 19 +-
> tools/perf/tests/pmu.c | 4 +-
> tools/perf/tests/python-use.c | 4 +-
> tools/perf/tests/sample-parsing.c | 4 +-
> tools/perf/tests/sdt.c | 6 +-
> tools/perf/tests/stat.c | 10 +-
> tools/perf/tests/sw-clock.c | 4 +-
> tools/perf/tests/switch-tracking.c | 4 +-
> tools/perf/tests/task-exit.c | 4 +-
> tools/perf/tests/tests.h | 179 ++++---
> tools/perf/tests/thread-map.c | 10 +-
> tools/perf/tests/thread-maps-share.c | 4 +-
> tools/perf/tests/time-utils-test.c | 4 +-
> tools/perf/tests/topology.c | 4 +-
> tools/perf/tests/unit_number__scnprintf.c | 4 +-
> tools/perf/tests/vmlinux-kallsyms.c | 5 +-
> tools/perf/tests/wp.c | 22 +-
> 81 files changed, 543 insertions(+), 618 deletions(-)
>
> --
> 2.33.0.464.g1972c5931b-goog
>