v4.19.13 snapshot.
diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
new file mode 100644
index 0000000..ead221e
--- /dev/null
+++ b/tools/perf/builtin-list.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * builtin-list.c
+ *
+ * Builtin list command: list all event types
+ *
+ * Copyright (C) 2009, Thomas Gleixner <tglx@linutronix.de>
+ * Copyright (C) 2008-2009, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
+ * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+ */
+#include "builtin.h"
+
+#include "perf.h"
+
+#include "util/parse-events.h"
+#include "util/cache.h"
+#include "util/pmu.h"
+#include "util/debug.h"
+#include "util/metricgroup.h"
+#include <subcmd/parse-options.h>
+
+static bool desc_flag = true;
+static bool details_flag;
+
+int cmd_list(int argc, const char **argv)
+{
+	int i;
+	bool raw_dump = false;
+	bool long_desc_flag = false;
+	struct option list_options[] = {
+		OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"),
+		OPT_BOOLEAN('d', "desc", &desc_flag,
+			    "Print extra event descriptions. --no-desc to not print."),
+		OPT_BOOLEAN('v', "long-desc", &long_desc_flag,
+			    "Print longer event descriptions."),
+		OPT_BOOLEAN(0, "details", &details_flag,
+			    "Print information on the perf event names and expressions used internally by events."),
+		OPT_INCR(0, "debug", &verbose,
+			     "Enable debugging output"),
+		OPT_END()
+	};
+	const char * const list_usage[] = {
+		"perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|event_glob]",
+		NULL
+	};
+
+	set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
+
+	argc = parse_options(argc, argv, list_options, list_usage,
+			     PARSE_OPT_STOP_AT_NON_OPTION);
+
+	setup_pager();
+
+	if (!raw_dump && pager_in_use())
+		printf("\nList of pre-defined events (to be used in -e):\n\n");
+
+	if (argc == 0) {
+		print_events(NULL, raw_dump, !desc_flag, long_desc_flag,
+				details_flag);
+		return 0;
+	}
+
+	for (i = 0; i < argc; ++i) {
+		char *sep, *s;
+
+		if (strcmp(argv[i], "tracepoint") == 0)
+			print_tracepoint_events(NULL, NULL, raw_dump);
+		else if (strcmp(argv[i], "hw") == 0 ||
+			 strcmp(argv[i], "hardware") == 0)
+			print_symbol_events(NULL, PERF_TYPE_HARDWARE,
+					event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
+		else if (strcmp(argv[i], "sw") == 0 ||
+			 strcmp(argv[i], "software") == 0)
+			print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
+					event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
+		else if (strcmp(argv[i], "cache") == 0 ||
+			 strcmp(argv[i], "hwcache") == 0)
+			print_hwcache_events(NULL, raw_dump);
+		else if (strcmp(argv[i], "pmu") == 0)
+			print_pmu_events(NULL, raw_dump, !desc_flag,
+						long_desc_flag, details_flag);
+		else if (strcmp(argv[i], "sdt") == 0)
+			print_sdt_events(NULL, NULL, raw_dump);
+		else if (strcmp(argv[i], "metric") == 0)
+			metricgroup__print(true, false, NULL, raw_dump);
+		else if (strcmp(argv[i], "metricgroup") == 0)
+			metricgroup__print(false, true, NULL, raw_dump);
+		else if ((sep = strchr(argv[i], ':')) != NULL) {
+			int sep_idx;
+
+			if (sep == NULL) {
+				print_events(argv[i], raw_dump, !desc_flag,
+							long_desc_flag,
+							details_flag);
+				continue;
+			}
+			sep_idx = sep - argv[i];
+			s = strdup(argv[i]);
+			if (s == NULL)
+				return -1;
+
+			s[sep_idx] = '\0';
+			print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
+			print_sdt_events(s, s + sep_idx + 1, raw_dump);
+			metricgroup__print(true, true, s, raw_dump);
+			free(s);
+		} else {
+			if (asprintf(&s, "*%s*", argv[i]) < 0) {
+				printf("Critical: Not enough memory! Trying to continue...\n");
+				continue;
+			}
+			print_symbol_events(s, PERF_TYPE_HARDWARE,
+					    event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
+			print_symbol_events(s, PERF_TYPE_SOFTWARE,
+					    event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
+			print_hwcache_events(s, raw_dump);
+			print_pmu_events(s, raw_dump, !desc_flag,
+						long_desc_flag,
+						details_flag);
+			print_tracepoint_events(NULL, s, raw_dump);
+			print_sdt_events(NULL, s, raw_dump);
+			metricgroup__print(true, true, NULL, raw_dump);
+			free(s);
+		}
+	}
+	return 0;
+}