perf list: Skip ABI PMUs when printing pmu values

Avoid printing tracepoint, legacy and software events when listing for
the pmu option. Add the PMU type to the print_event callbacks to ease
detection.

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://lore.kernel.org/r/20250725185202.68671-8-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>

Author: captain5050

tools/perf/builtin-list.c

@@ -58,6 +58,8 @@ struct print_state {
 	bool metrics;
 	/** @metricgroups: Controls printing of metric and metric groups. */
 	bool metricgroups;
+	/** @exclude_abi: Exclude PMUs with types less than PERF_TYPE_MAX except PERF_TYPE_RAW. */
+	bool exclude_abi;
 	/** @last_topic: The last printed event topic. */
 	char *last_topic;
 	/** @last_metricgroups: The last printed metric group. */
@@ -113,7 +115,8 @@ static void wordwrap(FILE *fp, const char *s, int start, int max, int corr)
 	}
 }
 
-static void default_print_event(void *ps, const char *topic, const char *pmu_name,
+static void default_print_event(void *ps, const char *topic,
+				const char *pmu_name, u32 pmu_type,
 				const char *event_name, const char *event_alias,
 				const char *scale_unit __maybe_unused,
 				bool deprecated, const char *event_type_desc,
@@ -130,6 +133,9 @@ static void default_print_event(void *ps, const char *topic, const char *pmu_nam
 	if (print_state->pmu_glob && pmu_name && !strglobmatch(pmu_name, print_state->pmu_glob))
 		return;
 
+	if (print_state->exclude_abi && pmu_type < PERF_TYPE_MAX && pmu_type != PERF_TYPE_RAW)
+		return;
+
 	if (print_state->event_glob &&
 	    (!event_name || !strglobmatch(event_name, print_state->event_glob)) &&
 	    (!event_alias || !strglobmatch(event_alias, print_state->event_glob)) &&
@@ -354,7 +360,8 @@ static void fix_escape_fprintf(FILE *fp, struct strbuf *buf, const char *fmt, ..
 	fputs(buf->buf, fp);
 }
 
-static void json_print_event(void *ps, const char *topic, const char *pmu_name,
+static void json_print_event(void *ps, const char *topic,
+			     const char *pmu_name, u32 pmu_type __maybe_unused,
 			     const char *event_name, const char *event_alias,
 			     const char *scale_unit,
 			     bool deprecated, const char *event_type_desc,
@@ -647,9 +654,11 @@ int cmd_list(int argc, const char **argv)
 		} else if (strcmp(argv[i], "cache") == 0 ||
 			 strcmp(argv[i], "hwcache") == 0)
 			print_hwcache_events(&print_cb, ps);
-		else if (strcmp(argv[i], "pmu") == 0)
+		else if (strcmp(argv[i], "pmu") == 0) {
+			default_ps.exclude_abi = true;
 			perf_pmus__print_pmu_events(&print_cb, ps);
-		else if (strcmp(argv[i], "sdt") == 0)
+			default_ps.exclude_abi = false;
+		} else if (strcmp(argv[i], "sdt") == 0)
 			print_sdt_events(&print_cb, ps);
 		else if (strcmp(argv[i], "metric") == 0 || strcmp(argv[i], "metrics") == 0) {
 			default_ps.metricgroups = false;

tools/perf/util/pfm.c

@@ -230,6 +230,7 @@ print_libpfm_event(const struct print_callbacks *print_cb, void *print_state,
 
 	if (is_libpfm_event_supported(name, cpus, threads)) {
 		print_cb->print_event(print_state, topic, pinfo->name,
+				      /*pmu_type=*/PERF_TYPE_RAW,
 				      name, info->equiv,
 				      /*scale_unit=*/NULL,
 				      /*deprecated=*/NULL, "PFM event",
@@ -265,6 +266,7 @@ print_libpfm_event(const struct print_callbacks *print_cb, void *print_state,
 			print_cb->print_event(print_state,
 					topic,
 					pinfo->name,
+					/*pmu_type=*/PERF_TYPE_RAW,
 					name, /*alias=*/NULL,
 					/*scale_unit=*/NULL,
 					/*deprecated=*/NULL, "PFM event",

tools/perf/util/pmus.c

@@ -645,6 +645,7 @@ void perf_pmus__print_pmu_events(const struct print_callbacks *print_cb, void *p
 		print_cb->print_event(print_state,
 				aliases[j].topic,
 				aliases[j].pmu_name,
+				aliases[j].pmu->type,
 				aliases[j].name,
 				aliases[j].alias,
 				aliases[j].scale_unit,
@@ -749,6 +750,7 @@ void perf_pmus__print_raw_pmu_events(const struct print_callbacks *print_cb, voi
 		print_cb->print_event(print_state,
 				/*topic=*/NULL,
 				/*pmu_name=*/NULL,
+				pmu->type,
 				format_args.short_string.buf,
 				/*event_alias=*/NULL,
 				/*scale_unit=*/NULL,

tools/perf/util/print-events.c

@@ -121,6 +121,7 @@ void print_sdt_events(const struct print_callbacks *print_cb, void *print_state)
 		print_cb->print_event(print_state,
 				/*topic=*/NULL,
 				/*pmu_name=*/NULL,
+				PERF_TYPE_TRACEPOINT,
 				evt_name ?: sdt_name->s,
 				/*event_alias=*/NULL,
 				/*deprecated=*/false,
@@ -222,6 +223,7 @@ int print_hwcache_events(const struct print_callbacks *print_cb, void *print_sta
 					print_cb->print_event(print_state,
 							"cache",
 							pmu->name,
+							pmu->type,
 							name,
 							alias_name,
 							/*scale_unit=*/NULL,
@@ -278,6 +280,7 @@ void print_symbol_events(const struct print_callbacks *print_cb, void *print_sta
 		print_cb->print_event(print_state,
 				/*topic=*/NULL,
 				/*pmu_name=*/NULL,
+				type,
 				nd->s,
 				alias,
 				/*scale_unit=*/NULL,
@@ -438,6 +441,7 @@ void print_events(const struct print_callbacks *print_cb, void *print_state)
 	print_cb->print_event(print_state,
 			/*topic=*/NULL,
 			/*pmu_name=*/NULL,
+			PERF_TYPE_RAW,
 			"rNNN",
 			/*event_alias=*/NULL,
 			/*scale_unit=*/NULL,
@@ -452,6 +456,7 @@ void print_events(const struct print_callbacks *print_cb, void *print_state)
 	print_cb->print_event(print_state,
 			/*topic=*/NULL,
 			/*pmu_name=*/NULL,
+			PERF_TYPE_BREAKPOINT,
 			"mem:<addr>[/len][:access]",
 			/*scale_unit=*/NULL,
 			/*event_alias=*/NULL,

tools/perf/util/print-events.h

@@ -12,7 +12,7 @@ struct print_callbacks {
 	void (*print_start)(void *print_state);
 	void (*print_end)(void *print_state);
 	void (*print_event)(void *print_state, const char *topic,
-			const char *pmu_name,
+			const char *pmu_name, u32 pmu_type,
 			const char *event_name, const char *event_alias,
 			const char *scale_unit,
 			bool deprecated, const char *event_type_desc,