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Message-ID: <20211110161252.s4yb3ayw2tqgfugj@pc>
Date: Wed, 10 Nov 2021 18:12:52 +0200
From: Sohaib Mohamed <sohaib.amhmd@...il.com>
To: Ian Rogers <irogers@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Jin Yao <yao.jin@...ux.intel.com>,
John Garry <john.garry@...wei.com>,
"Paul A . Clarke" <pc@...ibm.com>,
linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
Brendan Higgins <brendanhiggins@...gle.com>,
Daniel Latypov <dlatypov@...gle.com>,
David Gow <davidgow@...gle.com>, eranian@...gle.com
Subject: Re: [PATCH v3 00/22] Start aligning perf test with kunit style
On Wed, Nov 03, 2021 at 11:41:46PM -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.
>
> v3. Fixes a missing null and out of bound skip reason load detected by
> address sanitizer. This issue was reported by Jiri Olsa
> <jolsa@...hat.com> with an address sanitizer reproduction provided
> by Sohaib Mohamed <sohaib.amhmd@...il.com>.
>
Tested-by: Sohaib Mohamed <sohaib.amhmd@...il.com>
Thanks,
Sohaib
> v2. Gets to a point of the perf test test suite/case structs being
> close facsimiles of the kunit ones. It also addresses feedback on
> the v1 RFC, in particular from Jiri Olsa <jolsa@...hat.com>.
>
> v1. Built/tested on x86.
>
> Ian Rogers (22):
> 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
> perf test: Add helper functions for abstraction.
> perf test: Add test case struct.
> perf test: Add skip reason to test case.
> perf test: Convert pfm tests to use test cases.
> perf test: Convert pmu event tests to test cases.
> perf test: Convert watch point tests to test cases.
> perf test: Convert clang tests to test cases.
> perf test: Convert bpf tests to test cases.
> perf test: Convert llvm tests to test cases.
> perf test: Remove now unused subtest helpers
> perf test: bp tests use test case
> perf test: Convert time to tsc test to test case.
> perf test: Remove non test case style support.
> perf test: BP tests, remove is_supported use
> perf test: TSC test, remove is_supported use
> perf test: Remove is_supported function
> perf test: Remove skip_if_fail
>
> tools/perf/arch/arm/include/arch-tests.h | 2 +-
> tools/perf/arch/arm/tests/arch-tests.c | 18 +-
> 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 | 11 +-
> tools/perf/arch/powerpc/include/arch-tests.h | 2 +-
> tools/perf/arch/powerpc/tests/arch-tests.c | 12 +-
> 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 | 36 +-
> tools/perf/tests/bp_signal.c | 34 +-
> tools/perf/tests/bp_signal_overflow.c | 9 +-
> tools/perf/tests/bpf.c | 69 ++-
> tools/perf/tests/builtin-test.c | 578 ++++++------------
> tools/perf/tests/clang.c | 54 +-
> 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 | 5 +-
> tools/perf/tests/event-times.c | 4 +-
> tools/perf/tests/event_update.c | 4 +-
> tools/perf/tests/evsel-roundtrip-name.c | 5 +-
> tools/perf/tests/evsel-tp-sched.c | 5 +-
> 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 | 74 ++-
> 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 | 5 +-
> 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 | 5 +-
> 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 | 30 +-
> tools/perf/tests/pfm.c | 63 +-
> tools/perf/tests/pmu-events.c | 73 +--
> 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 | 11 +-
> 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 | 238 ++++----
> 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 | 122 +---
> tools/perf/util/c++/clang-c.h | 8 +-
> tools/perf/util/c++/clang-test.cpp | 6 +-
> 83 files changed, 812 insertions(+), 966 deletions(-)
>
> --
> 2.33.1.1089.g2158813163f-goog
>
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