Messages in this thread Patch in this message | | | Date | Fri, 28 Apr 2023 00:38:00 -0700 | Subject | [PATCH v2 34/43] perf parse-events: Avoid error when assigning a legacy cache term | From | Ian Rogers <> |
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Avoid the parser error: ''' $ perf stat -e 'cycles/name=l1d/' true event syntax error: 'cycles/name=l1d/' \___ parser error ''' by combining the name and legacy cache cases in the parser.
Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/tests/parse-events.c | 21 +++++++++++++++++++++ tools/perf/util/parse-events.y | 10 ++++++---- 2 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index 449d7a1780f4..cf786c362861 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -1495,6 +1495,16 @@ static int test__term_equal_term(struct evlist *evlist) return TEST_OK; } +static int test__term_equal_legacy(struct evlist *evlist) +{ + struct evsel *evsel = evlist__first(evlist); + + TEST_ASSERT_VAL("wrong type", evsel->core.attr.type == PERF_TYPE_HARDWARE); + TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + TEST_ASSERT_VAL("wrong name setting", strcmp(evsel->name, "l1d") == 0); + return TEST_OK; +} + #ifdef HAVE_LIBTRACEEVENT static int count_tracepoints(void) { @@ -1872,6 +1882,11 @@ static const struct evlist_test test__events[] = { .check = test__term_equal_term, /* 8 */ }, + { + .name = "cycles/name=l1d/", + .check = test__term_equal_legacy, + /* 9 */ + }, }; static const struct evlist_test test__events_pmu[] = { @@ -2059,6 +2074,12 @@ static const struct evlist_test test__events_pmu[] = { .check = test__term_equal_term, /* 0 */ }, + { + .name = "cpu/cycles,name=l1d/", + .valid = test__pmu_cpu_valid, + .check = test__term_equal_legacy, + /* 1 */ + }, }; struct terms_test { diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index 0aaebc57748e..f4ee03b5976b 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -82,7 +82,7 @@ static void free_list_evsel(struct list_head* list_evsel) %type <str> PE_EVENT_NAME %type <str> PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE %type <str> PE_DRV_CFG_TERM -%type <str> name_or_raw +%type <str> name_or_raw name_or_legacy %destructor { free ($$); } <str> %type <term> event_term %destructor { parse_events_term__delete ($$); } <term> @@ -739,6 +739,8 @@ event_term name_or_raw: PE_RAW | PE_NAME | PE_LEGACY_CACHE +name_or_legacy: PE_NAME | PE_LEGACY_CACHE + event_term: PE_RAW { @@ -752,7 +754,7 @@ PE_RAW $$ = term; } | -name_or_raw '=' PE_NAME +name_or_raw '=' name_or_legacy { struct parse_events_term *term; @@ -826,7 +828,7 @@ PE_TERM_HW $$ = term; } | -PE_TERM '=' PE_NAME +PE_TERM '=' name_or_legacy { struct parse_events_term *term; @@ -872,7 +874,7 @@ PE_TERM $$ = term; } | -name_or_raw array '=' PE_NAME +name_or_raw array '=' name_or_legacy { struct parse_events_term *term; -- 2.40.1.495.gc816e09b53d-goog
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