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Message-Id: <20251029-james-perf-feat_spe_eft-v9-4-d22536b9cf94@linaro.org>
Date: Wed, 29 Oct 2025 15:46:04 +0000
From: James Clark <james.clark@...aro.org>
To: Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
Jonathan Corbet <corbet@....net>, Marc Zyngier <maz@...nel.org>,
Oliver Upton <oliver.upton@...ux.dev>, Joey Gouly <joey.gouly@....com>,
Suzuki K Poulose <suzuki.poulose@....com>,
Zenghui Yu <yuzenghui@...wei.com>, Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>,
Adrian Hunter <adrian.hunter@...el.com>, Leo Yan <leo.yan@....com>,
Anshuman Khandual <anshuman.khandual@....com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org, linux-doc@...r.kernel.org,
kvmarm@...ts.linux.dev, James Clark <james.clark@...aro.org>
Subject: [PATCH v9 4/5] perf tools: Add support for
perf_event_attr::config4
perf_event_attr has gained a new field, config4, so add support for it
extending the existing configN support.
Reviewed-by: Leo Yan <leo.yan@....com>
Reviewed-by: Ian Rogers <irogers@...gle.com>
Tested-by: Leo Yan <leo.yan@....com>
Signed-off-by: James Clark <james.clark@...aro.org>
---
tools/perf/tests/parse-events.c | 13 ++++++++++++-
tools/perf/util/parse-events.c | 11 +++++++++++
tools/perf/util/parse-events.h | 1 +
tools/perf/util/parse-events.l | 1 +
tools/perf/util/pmu.c | 8 ++++++++
tools/perf/util/pmu.h | 1 +
6 files changed, 34 insertions(+), 1 deletion(-)
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index e4cdb517c10e..128d21dc389f 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -647,6 +647,7 @@ static int test__checkevent_pmu(struct evlist *evlist)
TEST_ASSERT_EVSEL("wrong config1", 1 == evsel->core.attr.config1, evsel);
TEST_ASSERT_EVSEL("wrong config2", 3 == evsel->core.attr.config2, evsel);
TEST_ASSERT_EVSEL("wrong config3", 0 == evsel->core.attr.config3, evsel);
+ TEST_ASSERT_EVSEL("wrong config4", 0 == evsel->core.attr.config4, evsel);
/*
* The period value gets configured within evlist__config,
* while this test executes only parse events method.
@@ -669,6 +670,7 @@ static int test__checkevent_list(struct evlist *evlist)
TEST_ASSERT_EVSEL("wrong config1", 0 == evsel->core.attr.config1, evsel);
TEST_ASSERT_EVSEL("wrong config2", 0 == evsel->core.attr.config2, evsel);
TEST_ASSERT_EVSEL("wrong config3", 0 == evsel->core.attr.config3, evsel);
+ TEST_ASSERT_EVSEL("wrong config4", 0 == evsel->core.attr.config4, evsel);
TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel);
TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel);
TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel);
@@ -849,6 +851,15 @@ static int test__checkterms_simple(struct parse_events_terms *terms)
TEST_ASSERT_VAL("wrong val", term->val.num == 4);
TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "config3"));
+ /* config4=5 */
+ term = list_entry(term->list.next, struct parse_events_term, list);
+ TEST_ASSERT_VAL("wrong type term",
+ term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG4);
+ TEST_ASSERT_VAL("wrong type val",
+ term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
+ TEST_ASSERT_VAL("wrong val", term->val.num == 5);
+ TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "config4"));
+
/* umask=1*/
term = list_entry(term->list.next, struct parse_events_term, list);
TEST_ASSERT_VAL("wrong type term",
@@ -2516,7 +2527,7 @@ struct terms_test {
static const struct terms_test test__terms[] = {
[0] = {
- .str = "config=10,config1,config2=3,config3=4,umask=1,read,r0xead",
+ .str = "config=10,config1,config2=3,config3=4,config4=5,umask=1,read,r0xead",
.check = test__checkterms_simple,
},
};
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 0c0dc20b1c13..ee4f55cbd3cb 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -215,6 +215,8 @@ __add_event(struct list_head *list, int *idx,
PERF_PMU_FORMAT_VALUE_CONFIG2, "config2");
perf_pmu__warn_invalid_config(pmu, attr->config3, name,
PERF_PMU_FORMAT_VALUE_CONFIG3, "config3");
+ perf_pmu__warn_invalid_config(pmu, attr->config4, name,
+ PERF_PMU_FORMAT_VALUE_CONFIG4, "config4");
}
}
/*
@@ -700,6 +702,7 @@ const char *parse_events__term_type_str(enum parse_events__term_type term_type)
[PARSE_EVENTS__TERM_TYPE_CONFIG1] = "config1",
[PARSE_EVENTS__TERM_TYPE_CONFIG2] = "config2",
[PARSE_EVENTS__TERM_TYPE_CONFIG3] = "config3",
+ [PARSE_EVENTS__TERM_TYPE_CONFIG4] = "config4",
[PARSE_EVENTS__TERM_TYPE_NAME] = "name",
[PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD] = "period",
[PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ] = "freq",
@@ -749,6 +752,7 @@ config_term_avail(enum parse_events__term_type term_type, struct parse_events_er
case PARSE_EVENTS__TERM_TYPE_CONFIG1:
case PARSE_EVENTS__TERM_TYPE_CONFIG2:
case PARSE_EVENTS__TERM_TYPE_CONFIG3:
+ case PARSE_EVENTS__TERM_TYPE_CONFIG4:
case PARSE_EVENTS__TERM_TYPE_NAME:
case PARSE_EVENTS__TERM_TYPE_METRIC_ID:
case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
@@ -819,6 +823,10 @@ do { \
CHECK_TYPE_VAL(NUM);
attr->config3 = term->val.num;
break;
+ case PARSE_EVENTS__TERM_TYPE_CONFIG4:
+ CHECK_TYPE_VAL(NUM);
+ attr->config4 = term->val.num;
+ break;
case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
CHECK_TYPE_VAL(NUM);
break;
@@ -1064,6 +1072,7 @@ static int config_term_tracepoint(struct perf_event_attr *attr,
case PARSE_EVENTS__TERM_TYPE_CONFIG1:
case PARSE_EVENTS__TERM_TYPE_CONFIG2:
case PARSE_EVENTS__TERM_TYPE_CONFIG3:
+ case PARSE_EVENTS__TERM_TYPE_CONFIG4:
case PARSE_EVENTS__TERM_TYPE_LEGACY_HARDWARE_CONFIG:
case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE_CONFIG:
case PARSE_EVENTS__TERM_TYPE_NAME:
@@ -1207,6 +1216,7 @@ do { \
case PARSE_EVENTS__TERM_TYPE_CONFIG1:
case PARSE_EVENTS__TERM_TYPE_CONFIG2:
case PARSE_EVENTS__TERM_TYPE_CONFIG3:
+ case PARSE_EVENTS__TERM_TYPE_CONFIG4:
case PARSE_EVENTS__TERM_TYPE_LEGACY_HARDWARE_CONFIG:
case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE_CONFIG:
case PARSE_EVENTS__TERM_TYPE_NAME:
@@ -1245,6 +1255,7 @@ static int get_config_chgs(struct perf_pmu *pmu, struct parse_events_terms *head
case PARSE_EVENTS__TERM_TYPE_CONFIG1:
case PARSE_EVENTS__TERM_TYPE_CONFIG2:
case PARSE_EVENTS__TERM_TYPE_CONFIG3:
+ case PARSE_EVENTS__TERM_TYPE_CONFIG4:
case PARSE_EVENTS__TERM_TYPE_LEGACY_HARDWARE_CONFIG:
case PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE_CONFIG:
case PARSE_EVENTS__TERM_TYPE_NAME:
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index 1012b441e9cd..3577ab213730 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -59,6 +59,7 @@ enum parse_events__term_type {
PARSE_EVENTS__TERM_TYPE_CONFIG1,
PARSE_EVENTS__TERM_TYPE_CONFIG2,
PARSE_EVENTS__TERM_TYPE_CONFIG3,
+ PARSE_EVENTS__TERM_TYPE_CONFIG4,
PARSE_EVENTS__TERM_TYPE_NAME,
PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD,
PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ,
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 8e0ea441e57f..251ce4321878 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -287,6 +287,7 @@ config { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG); }
config1 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG1); }
config2 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG2); }
config3 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG3); }
+config4 { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CONFIG4); }
name { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NAME); }
period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); }
freq { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ); }
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index d597263fab4f..dce03c19dc4d 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1566,6 +1566,10 @@ static int pmu_config_term(const struct perf_pmu *pmu,
assert(term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
pmu_format_value(bits, term->val.num, &attr->config3, zero);
break;
+ case PARSE_EVENTS__TERM_TYPE_CONFIG4:
+ assert(term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
+ pmu_format_value(bits, term->val.num, &attr->config4, zero);
+ break;
case PARSE_EVENTS__TERM_TYPE_LEGACY_HARDWARE_CONFIG:
assert(term->type_val == PARSE_EVENTS__TERM_TYPE_NUM);
assert(term->val.num < PERF_COUNT_HW_MAX);
@@ -1641,6 +1645,9 @@ static int pmu_config_term(const struct perf_pmu *pmu,
case PERF_PMU_FORMAT_VALUE_CONFIG3:
vp = &attr->config3;
break;
+ case PERF_PMU_FORMAT_VALUE_CONFIG4:
+ vp = &attr->config4;
+ break;
default:
return -EINVAL;
}
@@ -2000,6 +2007,7 @@ int perf_pmu__for_each_format(struct perf_pmu *pmu, void *state, pmu_format_call
"config1=0..0xffffffffffffffff",
"config2=0..0xffffffffffffffff",
"config3=0..0xffffffffffffffff",
+ "config4=0..0xffffffffffffffff",
"legacy-hardware-config=0..9,",
"legacy-cache-config=0..0xffffff,",
"name=string",
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index 1ebcf0242af8..67431f765266 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -23,6 +23,7 @@ enum {
PERF_PMU_FORMAT_VALUE_CONFIG1,
PERF_PMU_FORMAT_VALUE_CONFIG2,
PERF_PMU_FORMAT_VALUE_CONFIG3,
+ PERF_PMU_FORMAT_VALUE_CONFIG4,
PERF_PMU_FORMAT_VALUE_CONFIG_END,
};
--
2.34.1
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