Messages in this thread | | | Date | Fri, 28 Apr 2023 09:35:28 -0400 | Subject | Re: [PATCH v2 20/43] perf test: Move x86 hybrid tests to arch/x86 | From | "Liang, Kan" <> |
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On 2023-04-28 3:37 a.m., Ian Rogers wrote: > The tests use x86 hybrid specific PMUs.
This one still has problems.
https://lore.kernel.org/lkml/4fbbe5bf-2f7d-8aa3-62b1-72829f75e009@linux.intel.com/
Thanks, Kan > > Signed-off-by: Ian Rogers <irogers@google.com> > --- > tools/perf/arch/x86/include/arch-tests.h | 1 + > tools/perf/arch/x86/tests/Build | 1 + > tools/perf/arch/x86/tests/arch-tests.c | 10 + > tools/perf/arch/x86/tests/hybrid.c | 277 +++++++++++++++++++++++ > tools/perf/tests/parse-events.c | 181 --------------- > 5 files changed, 289 insertions(+), 181 deletions(-) > create mode 100644 tools/perf/arch/x86/tests/hybrid.c > > diff --git a/tools/perf/arch/x86/include/arch-tests.h b/tools/perf/arch/x86/include/arch-tests.h > index 902e9ea9b99e..33d39c1d3e64 100644 > --- a/tools/perf/arch/x86/include/arch-tests.h > +++ b/tools/perf/arch/x86/include/arch-tests.h > @@ -11,6 +11,7 @@ int test__intel_pt_pkt_decoder(struct test_suite *test, int subtest); > int test__intel_pt_hybrid_compat(struct test_suite *test, int subtest); > int test__bp_modify(struct test_suite *test, int subtest); > int test__x86_sample_parsing(struct test_suite *test, int subtest); > +int test__hybrid(struct test_suite *test, int subtest); > > extern struct test_suite *arch_tests[]; > > diff --git a/tools/perf/arch/x86/tests/Build b/tools/perf/arch/x86/tests/Build > index 6f4e8636c3bf..08cc8b9c931e 100644 > --- a/tools/perf/arch/x86/tests/Build > +++ b/tools/perf/arch/x86/tests/Build > @@ -3,5 +3,6 @@ perf-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o > > perf-y += arch-tests.o > perf-y += sample-parsing.o > +perf-y += hybrid.o > perf-$(CONFIG_AUXTRACE) += insn-x86.o intel-pt-test.o > perf-$(CONFIG_X86_64) += bp-modify.o > diff --git a/tools/perf/arch/x86/tests/arch-tests.c b/tools/perf/arch/x86/tests/arch-tests.c > index aae6ea0fe52b..147ad0638bbb 100644 > --- a/tools/perf/arch/x86/tests/arch-tests.c > +++ b/tools/perf/arch/x86/tests/arch-tests.c > @@ -22,6 +22,15 @@ struct test_suite suite__intel_pt = { > DEFINE_SUITE("x86 bp modify", bp_modify); > #endif > DEFINE_SUITE("x86 Sample parsing", x86_sample_parsing); > +static struct test_case hybrid_tests[] = { > + TEST_CASE_REASON("x86 hybrid event parsing", hybrid, "not hybrid"), > + { .name = NULL, } > +}; > + > +struct test_suite suite__hybrid = { > + .desc = "x86 hybrid", > + .test_cases = hybrid_tests, > +}; > > struct test_suite *arch_tests[] = { > #ifdef HAVE_DWARF_UNWIND_SUPPORT > @@ -35,5 +44,6 @@ struct test_suite *arch_tests[] = { > &suite__bp_modify, > #endif > &suite__x86_sample_parsing, > + &suite__hybrid, > NULL, > }; > diff --git a/tools/perf/arch/x86/tests/hybrid.c b/tools/perf/arch/x86/tests/hybrid.c > new file mode 100644 > index 000000000000..0f99cfd116ee > --- /dev/null > +++ b/tools/perf/arch/x86/tests/hybrid.c > @@ -0,0 +1,277 @@ > +// SPDX-License-Identifier: GPL-2.0 > +#include "arch-tests.h" > +#include "debug.h" > +#include "evlist.h" > +#include "evsel.h" > +#include "pmu-hybrid.h" > +#include "tests/tests.h" > + > +static bool test_config(const struct evsel *evsel, __u64 expected_config) > +{ > + return (evsel->core.attr.config & PERF_HW_EVENT_MASK) == expected_config; > +} > + > +static int test__hybrid_hw_event_with_pmu(struct evlist *evlist) > +{ > + struct evsel *evsel = evlist__first(evlist); > + > + TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c)); > + return TEST_OK; > +} > + > +static int test__hybrid_hw_group_event(struct evlist *evlist) > +{ > + struct evsel *evsel, *leader; > + > + evsel = leader = evlist__first(evlist); > + TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c)); > + TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > + > + evsel = evsel__next(evsel); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", test_config(evsel, 0xc0)); > + TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > + return TEST_OK; > +} > + > +static int test__hybrid_sw_hw_group_event(struct evlist *evlist) > +{ > + struct evsel *evsel, *leader; > + > + evsel = leader = evlist__first(evlist); > + TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > + > + evsel = evsel__next(evsel); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c)); > + TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > + return TEST_OK; > +} > + > +static int test__hybrid_hw_sw_group_event(struct evlist *evlist) > +{ > + struct evsel *evsel, *leader; > + > + evsel = leader = evlist__first(evlist); > + TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c)); > + TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > + > + evsel = evsel__next(evsel); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > + return TEST_OK; > +} > + > +static int test__hybrid_group_modifier1(struct evlist *evlist) > +{ > + struct evsel *evsel, *leader; > + > + evsel = leader = evlist__first(evlist); > + TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c)); > + TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > + TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); > + TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); > + > + evsel = evsel__next(evsel); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", test_config(evsel, 0xc0)); > + TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); > + TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); > + return TEST_OK; > +} > + > +static int test__hybrid_raw1(struct evlist *evlist) > +{ > + struct evsel *evsel = evlist__first(evlist); > + > + if (!perf_pmu__hybrid_mounted("cpu_atom")) { > + TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x1a)); > + return TEST_OK; > + } > + > + TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x1a)); > + > + /* The type of second event is randome value */ > + evsel = evsel__next(evsel); > + TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x1a)); > + return TEST_OK; > +} > + > +static int test__hybrid_raw2(struct evlist *evlist) > +{ > + struct evsel *evsel = evlist__first(evlist); > + > + TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x1a)); > + return TEST_OK; > +} > + > +static int test__hybrid_cache_event(struct evlist *evlist) > +{ > + struct evsel *evsel = evlist__first(evlist); > + > + TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_HW_CACHE == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", 0x2 == (evsel->core.attr.config & 0xffffffff)); > + return TEST_OK; > +} > + > +static int test__checkevent_pmu(struct evlist *evlist) > +{ > + > + struct evsel *evsel = evlist__first(evlist); > + > + TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); > + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > + TEST_ASSERT_VAL("wrong config", 10 == evsel->core.attr.config); > + TEST_ASSERT_VAL("wrong config1", 1 == evsel->core.attr.config1); > + TEST_ASSERT_VAL("wrong config2", 3 == evsel->core.attr.config2); > + TEST_ASSERT_VAL("wrong config3", 0 == evsel->core.attr.config3); > + /* > + * The period value gets configured within evlist__config, > + * while this test executes only parse events method. > + */ > + TEST_ASSERT_VAL("wrong period", 0 == evsel->core.attr.sample_period); > + > + return TEST_OK; > +} > + > +struct evlist_test { > + const char *name; > + bool (*valid)(void); > + int (*check)(struct evlist *evlist); > +}; > + > +static const struct evlist_test test__hybrid_events[] = { > + { > + .name = "cpu_core/cpu-cycles/", > + .check = test__hybrid_hw_event_with_pmu, > + /* 0 */ > + }, > + { > + .name = "{cpu_core/cpu-cycles/,cpu_core/instructions/}", > + .check = test__hybrid_hw_group_event, > + /* 1 */ > + }, > + { > + .name = "{cpu-clock,cpu_core/cpu-cycles/}", > + .check = test__hybrid_sw_hw_group_event, > + /* 2 */ > + }, > + { > + .name = "{cpu_core/cpu-cycles/,cpu-clock}", > + .check = test__hybrid_hw_sw_group_event, > + /* 3 */ > + }, > + { > + .name = "{cpu_core/cpu-cycles/k,cpu_core/instructions/u}", > + .check = test__hybrid_group_modifier1, > + /* 4 */ > + }, > + { > + .name = "r1a", > + .check = test__hybrid_raw1, > + /* 5 */ > + }, > + { > + .name = "cpu_core/r1a/", > + .check = test__hybrid_raw2, > + /* 6 */ > + }, > + { > + .name = "cpu_core/config=10,config1,config2=3,period=1000/u", > + .check = test__checkevent_pmu, > + /* 7 */ > + }, > + { > + .name = "cpu_core/LLC-loads/", > + .check = test__hybrid_cache_event, > + /* 8 */ > + }, > +}; > + > +static int test_event(const struct evlist_test *e) > +{ > + struct parse_events_error err; > + struct evlist *evlist; > + int ret; > + > + if (e->valid && !e->valid()) { > + pr_debug("... SKIP\n"); > + return TEST_OK; > + } > + > + evlist = evlist__new(); > + if (evlist == NULL) { > + pr_err("Failed allocation"); > + return TEST_FAIL; > + } > + parse_events_error__init(&err); > + ret = parse_events(evlist, e->name, &err); > + if (ret) { > + pr_debug("failed to parse event '%s', err %d, str '%s'\n", > + e->name, ret, err.str); > + parse_events_error__print(&err, e->name); > + ret = TEST_FAIL; > + if (strstr(err.str, "can't access trace events")) > + ret = TEST_SKIP; > + } else { > + ret = e->check(evlist); > + } > + parse_events_error__exit(&err); > + evlist__delete(evlist); > + > + return ret; > +} > + > +static int combine_test_results(int existing, int latest) > +{ > + if (existing == TEST_FAIL) > + return TEST_FAIL; > + if (existing == TEST_SKIP) > + return latest == TEST_OK ? TEST_SKIP : latest; > + return latest; > +} > + > +static int test_events(const struct evlist_test *events, int cnt) > +{ > + int ret = TEST_OK; > + > + for (int i = 0; i < cnt; i++) { > + const struct evlist_test *e = &events[i]; > + int test_ret; > + > + pr_debug("running test %d '%s'\n", i, e->name); > + test_ret = test_event(e); > + if (test_ret != TEST_OK) { > + pr_debug("Event test failure: test %d '%s'", i, e->name); > + ret = combine_test_results(ret, test_ret); > + } > + } > + > + return ret; > +} > + > +int test__hybrid(struct test_suite *test __maybe_unused, int subtest __maybe_unused) > +{ > + if (!perf_pmu__has_hybrid()) > + return TEST_SKIP; > + > + return test_events(test__hybrid_events, ARRAY_SIZE(test__hybrid_events)); > +} > diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c > index f0e9f9288f2b..3bf07b7e37b1 100644 > --- a/tools/perf/tests/parse-events.c > +++ b/tools/perf/tests/parse-events.c > @@ -6,7 +6,6 @@ > #include "tests.h" > #include "debug.h" > #include "pmu.h" > -#include "pmu-hybrid.h" > #include "pmus.h" > #include <dirent.h> > #include <errno.h> > @@ -1509,127 +1508,6 @@ static int test__all_tracepoints(struct evlist *evlist) > } > #endif /* HAVE_LIBTRACEVENT */ > > -static int test__hybrid_hw_event_with_pmu(struct evlist *evlist) > -{ > - struct evsel *evsel = evlist__first(evlist); > - > - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c)); > - return TEST_OK; > -} > - > -static int test__hybrid_hw_group_event(struct evlist *evlist) > -{ > - struct evsel *evsel, *leader; > - > - evsel = leader = evlist__first(evlist); > - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c)); > - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > - > - evsel = evsel__next(evsel); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong config", test_config(evsel, 0xc0)); > - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > - return TEST_OK; > -} > - > -static int test__hybrid_sw_hw_group_event(struct evlist *evlist) > -{ > - struct evsel *evsel, *leader; > - > - evsel = leader = evlist__first(evlist); > - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > - > - evsel = evsel__next(evsel); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c)); > - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > - return TEST_OK; > -} > - > -static int test__hybrid_hw_sw_group_event(struct evlist *evlist) > -{ > - struct evsel *evsel, *leader; > - > - evsel = leader = evlist__first(evlist); > - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c)); > - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > - > - evsel = evsel__next(evsel); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > - return TEST_OK; > -} > - > -static int test__hybrid_group_modifier1(struct evlist *evlist) > -{ > - struct evsel *evsel, *leader; > - > - evsel = leader = evlist__first(evlist); > - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x3c)); > - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); > - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); > - > - evsel = evsel__next(evsel); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong config", test_config(evsel, 0xc0)); > - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); > - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); > - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); > - return TEST_OK; > -} > - > -static int test__hybrid_raw1(struct evlist *evlist) > -{ > - struct evsel *evsel = evlist__first(evlist); > - > - if (!perf_pmu__hybrid_mounted("cpu_atom")) { > - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x1a)); > - return TEST_OK; > - } > - > - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x1a)); > - > - /* The type of second event is randome value */ > - evsel = evsel__next(evsel); > - TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x1a)); > - return TEST_OK; > -} > - > -static int test__hybrid_raw2(struct evlist *evlist) > -{ > - struct evsel *evsel = evlist__first(evlist); > - > - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong config", test_config(evsel, 0x1a)); > - return TEST_OK; > -} > - > -static int test__hybrid_cache_event(struct evlist *evlist) > -{ > - struct evsel *evsel = evlist__first(evlist); > - > - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); > - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HW_CACHE == evsel->core.attr.type); > - TEST_ASSERT_VAL("wrong config", 0x2 == (evsel->core.attr.config & 0xffffffff)); > - return TEST_OK; > -} > - > struct evlist_test { > const char *name; > bool (*valid)(void); > @@ -1997,54 +1875,6 @@ static const struct terms_test test__terms[] = { > }, > }; > > -static const struct evlist_test test__hybrid_events[] = { > - { > - .name = "cpu_core/cpu-cycles/", > - .check = test__hybrid_hw_event_with_pmu, > - /* 0 */ > - }, > - { > - .name = "{cpu_core/cpu-cycles/,cpu_core/instructions/}", > - .check = test__hybrid_hw_group_event, > - /* 1 */ > - }, > - { > - .name = "{cpu-clock,cpu_core/cpu-cycles/}", > - .check = test__hybrid_sw_hw_group_event, > - /* 2 */ > - }, > - { > - .name = "{cpu_core/cpu-cycles/,cpu-clock}", > - .check = test__hybrid_hw_sw_group_event, > - /* 3 */ > - }, > - { > - .name = "{cpu_core/cpu-cycles/k,cpu_core/instructions/u}", > - .check = test__hybrid_group_modifier1, > - /* 4 */ > - }, > - { > - .name = "r1a", > - .check = test__hybrid_raw1, > - /* 5 */ > - }, > - { > - .name = "cpu_core/r1a/", > - .check = test__hybrid_raw2, > - /* 6 */ > - }, > - { > - .name = "cpu_core/config=10,config1,config2=3,period=1000/u", > - .check = test__checkevent_pmu, > - /* 7 */ > - }, > - { > - .name = "cpu_core/LLC-loads/", > - .check = test__hybrid_cache_event, > - /* 8 */ > - }, > -}; > - > static int test_event(const struct evlist_test *e) > { > struct parse_events_error err; > @@ -2321,14 +2151,6 @@ static bool test_alias(char **event, char **alias) > return false; > } > > -static int test__hybrid(struct test_suite *test __maybe_unused, int subtest __maybe_unused) > -{ > - if (!perf_pmu__has_hybrid()) > - return TEST_SKIP; > - > - return test_events(test__hybrid_events, ARRAY_SIZE(test__hybrid_events)); > -} > - > static int test__checkevent_pmu_events_alias(struct evlist *evlist) > { > struct evsel *evsel1 = evlist__first(evlist); > @@ -2392,9 +2214,6 @@ static struct test_case tests__parse_events[] = { > TEST_CASE_REASON("Test event parsing", > events2, > "permissions"), > - TEST_CASE_REASON("Test parsing of \"hybrid\" CPU events", > - hybrid, > - "not hybrid"), > TEST_CASE_REASON("Parsing of all PMU events from sysfs", > pmu_events, > "permissions"),
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