xref: /linux/tools/perf/builtin-list.c (revision ba199dc909a20fe62270ae4e93f263987bb9d119)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * builtin-list.c
4  *
5  * Builtin list command: list all event types
6  *
7  * Copyright (C) 2009, Thomas Gleixner <tglx@linutronix.de>
8  * Copyright (C) 2008-2009, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
9  * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
10  */
11 #include "builtin.h"
12 
13 #include "util/print-events.h"
14 #include "util/pmus.h"
15 #include "util/pmu.h"
16 #include "util/debug.h"
17 #include "util/metricgroup.h"
18 #include "util/pfm.h"
19 #include "util/string2.h"
20 #include "util/strlist.h"
21 #include "util/strbuf.h"
22 #include <subcmd/pager.h>
23 #include <subcmd/parse-options.h>
24 #include <linux/zalloc.h>
25 #include <ctype.h>
26 #include <stdarg.h>
27 #include <stdio.h>
28 
29 /**
30  * struct print_state - State and configuration passed to the default_print
31  * functions.
32  */
33 struct print_state {
34 	/** @fp: File to write output to. */
35 	FILE *fp;
36 	/**
37 	 * @pmu_glob: Optionally restrict PMU and metric matching to PMU or
38 	 * debugfs subsystem name.
39 	 */
40 	char *pmu_glob;
41 	/** @event_glob: Optional pattern matching glob. */
42 	char *event_glob;
43 	/** @name_only: Print event or metric names only. */
44 	bool name_only;
45 	/** @desc: Print the event or metric description. */
46 	bool desc;
47 	/** @long_desc: Print longer event or metric description. */
48 	bool long_desc;
49 	/** @deprecated: Print deprecated events or metrics. */
50 	bool deprecated;
51 	/**
52 	 * @detailed: Print extra information on the perf event such as names
53 	 * and expressions used internally by events.
54 	 */
55 	bool detailed;
56 	/** @metrics: Controls printing of metric and metric groups. */
57 	bool metrics;
58 	/** @metricgroups: Controls printing of metric and metric groups. */
59 	bool metricgroups;
60 	/** @last_topic: The last printed event topic. */
61 	char *last_topic;
62 	/** @last_metricgroups: The last printed metric group. */
63 	char *last_metricgroups;
64 	/** @visited_metrics: Metrics that are printed to avoid duplicates. */
65 	struct strlist *visited_metrics;
66 };
67 
68 static void default_print_start(void *ps)
69 {
70 	struct print_state *print_state = ps;
71 
72 	if (!print_state->name_only && pager_in_use()) {
73 		fprintf(print_state->fp,
74 			"\nList of pre-defined events (to be used in -e or -M):\n\n");
75 	}
76 }
77 
78 static void default_print_end(void *print_state __maybe_unused) {}
79 
80 static const char *skip_spaces_or_commas(const char *str)
81 {
82 	while (isspace(*str) || *str == ',')
83 		++str;
84 	return str;
85 }
86 
87 static void wordwrap(FILE *fp, const char *s, int start, int max, int corr)
88 {
89 	int column = start;
90 	int n;
91 	bool saw_newline = false;
92 	bool comma = false;
93 
94 	while (*s) {
95 		int wlen = strcspn(s, " ,\t\n");
96 		const char *sep = comma ? "," : " ";
97 
98 		if ((column + wlen >= max && column > start) || saw_newline) {
99 			fprintf(fp, comma ? ",\n%*s" : "\n%*s", start, "");
100 			column = start + corr;
101 		}
102 		if (column <= start)
103 			sep = "";
104 		n = fprintf(fp, "%s%.*s", sep, wlen, s);
105 		if (n <= 0)
106 			break;
107 		saw_newline = s[wlen] == '\n';
108 		s += wlen;
109 		comma = s[0] == ',';
110 		column += n;
111 		s = skip_spaces_or_commas(s);
112 	}
113 }
114 
115 static void default_print_event(void *ps, const char *pmu_name, const char *topic,
116 				const char *event_name, const char *event_alias,
117 				const char *scale_unit __maybe_unused,
118 				bool deprecated, const char *event_type_desc,
119 				const char *desc, const char *long_desc,
120 				const char *encoding_desc)
121 {
122 	struct print_state *print_state = ps;
123 	int pos;
124 	FILE *fp = print_state->fp;
125 
126 	if (deprecated && !print_state->deprecated)
127 		return;
128 
129 	if (print_state->pmu_glob && pmu_name && !strglobmatch(pmu_name, print_state->pmu_glob))
130 		return;
131 
132 	if (print_state->event_glob &&
133 	    (!event_name || !strglobmatch(event_name, print_state->event_glob)) &&
134 	    (!event_alias || !strglobmatch(event_alias, print_state->event_glob)) &&
135 	    (!topic || !strglobmatch_nocase(topic, print_state->event_glob)))
136 		return;
137 
138 	if (print_state->name_only) {
139 		if (event_alias && strlen(event_alias))
140 			fprintf(fp, "%s ", event_alias);
141 		else
142 			fprintf(fp, "%s ", event_name);
143 		return;
144 	}
145 
146 	if (strcmp(print_state->last_topic, topic ?: "")) {
147 		if (topic)
148 			fprintf(fp, "\n%s:\n", topic);
149 		zfree(&print_state->last_topic);
150 		print_state->last_topic = strdup(topic ?: "");
151 	}
152 
153 	if (event_alias && strlen(event_alias))
154 		pos = fprintf(fp, "  %s OR %s", event_name, event_alias);
155 	else
156 		pos = fprintf(fp, "  %s", event_name);
157 
158 	if (!topic && event_type_desc) {
159 		for (; pos < 53; pos++)
160 			fputc(' ', fp);
161 		fprintf(fp, "[%s]\n", event_type_desc);
162 	} else
163 		fputc('\n', fp);
164 
165 	if (long_desc && print_state->long_desc) {
166 		fprintf(fp, "%*s", 8, "[");
167 		wordwrap(fp, long_desc, 8, pager_get_columns(), 0);
168 		fprintf(fp, "]\n");
169 	} else if (desc && print_state->desc) {
170 		char *desc_with_unit = NULL;
171 		int desc_len = -1;
172 
173 		if (pmu_name && strcmp(pmu_name, "default_core")) {
174 			desc_len = strlen(desc);
175 			desc_len = asprintf(&desc_with_unit,
176 					    desc[desc_len - 1] != '.'
177 					      ? "%s. Unit: %s" : "%s Unit: %s",
178 					    desc, pmu_name);
179 		}
180 		fprintf(fp, "%*s", 8, "[");
181 		wordwrap(fp, desc_len > 0 ? desc_with_unit : desc, 8, pager_get_columns(), 0);
182 		fprintf(fp, "]\n");
183 		free(desc_with_unit);
184 	}
185 
186 	if (print_state->detailed && encoding_desc) {
187 		fprintf(fp, "%*s", 8, "");
188 		wordwrap(fp, encoding_desc, 8, pager_get_columns(), 0);
189 		fputc('\n', fp);
190 	}
191 }
192 
193 static void default_print_metric(void *ps,
194 				const char *group,
195 				const char *name,
196 				const char *desc,
197 				const char *long_desc,
198 				const char *expr,
199 				const char *threshold,
200 				const char *unit __maybe_unused)
201 {
202 	struct print_state *print_state = ps;
203 	FILE *fp = print_state->fp;
204 
205 	if (print_state->event_glob &&
206 	    (!print_state->metrics || !name || !strglobmatch(name, print_state->event_glob)) &&
207 	    (!print_state->metricgroups || !group || !strglobmatch(group, print_state->event_glob)))
208 		return;
209 
210 	if (!print_state->name_only && !print_state->last_metricgroups) {
211 		if (print_state->metricgroups) {
212 			fprintf(fp, "\nMetric Groups:\n");
213 			if (!print_state->metrics)
214 				fputc('\n', fp);
215 		} else {
216 			fprintf(fp, "\nMetrics:\n\n");
217 		}
218 	}
219 	if (!print_state->last_metricgroups ||
220 	    strcmp(print_state->last_metricgroups, group ?: "")) {
221 		if (group && print_state->metricgroups) {
222 			if (print_state->name_only) {
223 				fprintf(fp, "%s ", group);
224 			} else {
225 				const char *gdesc = print_state->desc
226 					? describe_metricgroup(group)
227 					: NULL;
228 				const char *print_colon = "";
229 
230 				if (print_state->metrics) {
231 					print_colon = ":";
232 					fputc('\n', fp);
233 				}
234 
235 				if (gdesc)
236 					fprintf(fp, "%s%s [%s]\n", group, print_colon, gdesc);
237 				else
238 					fprintf(fp, "%s%s\n", group, print_colon);
239 			}
240 		}
241 		zfree(&print_state->last_metricgroups);
242 		print_state->last_metricgroups = strdup(group ?: "");
243 	}
244 	if (!print_state->metrics)
245 		return;
246 
247 	if (print_state->name_only) {
248 		if (print_state->metrics &&
249 		    !strlist__has_entry(print_state->visited_metrics, name)) {
250 			fprintf(fp, "%s ", name);
251 			strlist__add(print_state->visited_metrics, name);
252 		}
253 		return;
254 	}
255 	fprintf(fp, "  %s\n", name);
256 
257 	if (long_desc && print_state->long_desc) {
258 		fprintf(fp, "%*s", 8, "[");
259 		wordwrap(fp, long_desc, 8, pager_get_columns(), 0);
260 		fprintf(fp, "]\n");
261 	} else if (desc && print_state->desc) {
262 		fprintf(fp, "%*s", 8, "[");
263 		wordwrap(fp, desc, 8, pager_get_columns(), 0);
264 		fprintf(fp, "]\n");
265 	}
266 	if (expr && print_state->detailed) {
267 		fprintf(fp, "%*s", 8, "[");
268 		wordwrap(fp, expr, 8, pager_get_columns(), 0);
269 		fprintf(fp, "]\n");
270 	}
271 	if (threshold && print_state->detailed) {
272 		fprintf(fp, "%*s", 8, "[");
273 		wordwrap(fp, threshold, 8, pager_get_columns(), 0);
274 		fprintf(fp, "]\n");
275 	}
276 }
277 
278 struct json_print_state {
279 	/** @fp: File to write output to. */
280 	FILE *fp;
281 	/** Should a separator be printed prior to the next item? */
282 	bool need_sep;
283 };
284 
285 static void json_print_start(void *ps)
286 {
287 	struct json_print_state *print_state = ps;
288 	FILE *fp = print_state->fp;
289 
290 	fprintf(fp, "[\n");
291 }
292 
293 static void json_print_end(void *ps)
294 {
295 	struct json_print_state *print_state = ps;
296 	FILE *fp = print_state->fp;
297 
298 	fprintf(fp, "%s]\n", print_state->need_sep ? "\n" : "");
299 }
300 
301 static void fix_escape_fprintf(FILE *fp, struct strbuf *buf, const char *fmt, ...)
302 {
303 	va_list args;
304 
305 	va_start(args, fmt);
306 	strbuf_setlen(buf, 0);
307 	for (size_t fmt_pos = 0; fmt_pos < strlen(fmt); fmt_pos++) {
308 		switch (fmt[fmt_pos]) {
309 		case '%':
310 			fmt_pos++;
311 			switch (fmt[fmt_pos]) {
312 			case 's': {
313 				const char *s = va_arg(args, const char*);
314 
315 				strbuf_addstr(buf, s);
316 				break;
317 			}
318 			case 'S': {
319 				const char *s = va_arg(args, const char*);
320 
321 				for (size_t s_pos = 0; s_pos < strlen(s); s_pos++) {
322 					switch (s[s_pos]) {
323 					case '\n':
324 						strbuf_addstr(buf, "\\n");
325 						break;
326 					case '\r':
327 						strbuf_addstr(buf, "\\r");
328 						break;
329 					case '\\':
330 						fallthrough;
331 					case '\"':
332 						strbuf_addch(buf, '\\');
333 						fallthrough;
334 					default:
335 						strbuf_addch(buf, s[s_pos]);
336 						break;
337 					}
338 				}
339 				break;
340 			}
341 			default:
342 				pr_err("Unexpected format character '%c'\n", fmt[fmt_pos]);
343 				strbuf_addch(buf, '%');
344 				strbuf_addch(buf, fmt[fmt_pos]);
345 			}
346 			break;
347 		default:
348 			strbuf_addch(buf, fmt[fmt_pos]);
349 			break;
350 		}
351 	}
352 	va_end(args);
353 	fputs(buf->buf, fp);
354 }
355 
356 static void json_print_event(void *ps, const char *pmu_name, const char *topic,
357 			     const char *event_name, const char *event_alias,
358 			     const char *scale_unit,
359 			     bool deprecated, const char *event_type_desc,
360 			     const char *desc, const char *long_desc,
361 			     const char *encoding_desc)
362 {
363 	struct json_print_state *print_state = ps;
364 	bool need_sep = false;
365 	FILE *fp = print_state->fp;
366 	struct strbuf buf;
367 
368 	strbuf_init(&buf, 0);
369 	fprintf(fp, "%s{\n", print_state->need_sep ? ",\n" : "");
370 	print_state->need_sep = true;
371 	if (pmu_name) {
372 		fix_escape_fprintf(fp, &buf, "\t\"Unit\": \"%S\"", pmu_name);
373 		need_sep = true;
374 	}
375 	if (topic) {
376 		fix_escape_fprintf(fp, &buf, "%s\t\"Topic\": \"%S\"",
377 				   need_sep ? ",\n" : "",
378 				   topic);
379 		need_sep = true;
380 	}
381 	if (event_name) {
382 		fix_escape_fprintf(fp, &buf, "%s\t\"EventName\": \"%S\"",
383 				   need_sep ? ",\n" : "",
384 				   event_name);
385 		need_sep = true;
386 	}
387 	if (event_alias && strlen(event_alias)) {
388 		fix_escape_fprintf(fp, &buf, "%s\t\"EventAlias\": \"%S\"",
389 				   need_sep ? ",\n" : "",
390 				   event_alias);
391 		need_sep = true;
392 	}
393 	if (scale_unit && strlen(scale_unit)) {
394 		fix_escape_fprintf(fp, &buf, "%s\t\"ScaleUnit\": \"%S\"",
395 				   need_sep ? ",\n" : "",
396 				   scale_unit);
397 		need_sep = true;
398 	}
399 	if (event_type_desc) {
400 		fix_escape_fprintf(fp, &buf, "%s\t\"EventType\": \"%S\"",
401 				   need_sep ? ",\n" : "",
402 				   event_type_desc);
403 		need_sep = true;
404 	}
405 	if (deprecated) {
406 		fix_escape_fprintf(fp, &buf, "%s\t\"Deprecated\": \"%S\"",
407 				   need_sep ? ",\n" : "",
408 				   deprecated ? "1" : "0");
409 		need_sep = true;
410 	}
411 	if (desc) {
412 		fix_escape_fprintf(fp, &buf, "%s\t\"BriefDescription\": \"%S\"",
413 				   need_sep ? ",\n" : "",
414 				   desc);
415 		need_sep = true;
416 	}
417 	if (long_desc) {
418 		fix_escape_fprintf(fp, &buf, "%s\t\"PublicDescription\": \"%S\"",
419 				   need_sep ? ",\n" : "",
420 				   long_desc);
421 		need_sep = true;
422 	}
423 	if (encoding_desc) {
424 		fix_escape_fprintf(fp, &buf, "%s\t\"Encoding\": \"%S\"",
425 				   need_sep ? ",\n" : "",
426 				   encoding_desc);
427 		need_sep = true;
428 	}
429 	fprintf(fp, "%s}", need_sep ? "\n" : "");
430 	strbuf_release(&buf);
431 }
432 
433 static void json_print_metric(void *ps __maybe_unused, const char *group,
434 			      const char *name, const char *desc,
435 			      const char *long_desc, const char *expr,
436 			      const char *threshold, const char *unit)
437 {
438 	struct json_print_state *print_state = ps;
439 	bool need_sep = false;
440 	FILE *fp = print_state->fp;
441 	struct strbuf buf;
442 
443 	strbuf_init(&buf, 0);
444 	fprintf(fp, "%s{\n", print_state->need_sep ? ",\n" : "");
445 	print_state->need_sep = true;
446 	if (group) {
447 		fix_escape_fprintf(fp, &buf, "\t\"MetricGroup\": \"%S\"", group);
448 		need_sep = true;
449 	}
450 	if (name) {
451 		fix_escape_fprintf(fp, &buf, "%s\t\"MetricName\": \"%S\"",
452 				   need_sep ? ",\n" : "",
453 				   name);
454 		need_sep = true;
455 	}
456 	if (expr) {
457 		fix_escape_fprintf(fp, &buf, "%s\t\"MetricExpr\": \"%S\"",
458 				   need_sep ? ",\n" : "",
459 				   expr);
460 		need_sep = true;
461 	}
462 	if (threshold) {
463 		fix_escape_fprintf(fp, &buf, "%s\t\"MetricThreshold\": \"%S\"",
464 				   need_sep ? ",\n" : "",
465 				   threshold);
466 		need_sep = true;
467 	}
468 	if (unit) {
469 		fix_escape_fprintf(fp, &buf, "%s\t\"ScaleUnit\": \"%S\"",
470 				   need_sep ? ",\n" : "",
471 				   unit);
472 		need_sep = true;
473 	}
474 	if (desc) {
475 		fix_escape_fprintf(fp, &buf, "%s\t\"BriefDescription\": \"%S\"",
476 				   need_sep ? ",\n" : "",
477 				   desc);
478 		need_sep = true;
479 	}
480 	if (long_desc) {
481 		fix_escape_fprintf(fp, &buf, "%s\t\"PublicDescription\": \"%S\"",
482 				   need_sep ? ",\n" : "",
483 				   long_desc);
484 		need_sep = true;
485 	}
486 	fprintf(fp, "%s}", need_sep ? "\n" : "");
487 	strbuf_release(&buf);
488 }
489 
490 static bool json_skip_duplicate_pmus(void *ps __maybe_unused)
491 {
492 	return false;
493 }
494 
495 static bool default_skip_duplicate_pmus(void *ps)
496 {
497 	struct print_state *print_state = ps;
498 
499 	return !print_state->long_desc;
500 }
501 
502 int cmd_list(int argc, const char **argv)
503 {
504 	int i, ret = 0;
505 	struct print_state default_ps = {
506 		.fp = stdout,
507 		.desc = true,
508 	};
509 	struct print_state json_ps = {
510 		.fp = stdout,
511 	};
512 	void *ps = &default_ps;
513 	struct print_callbacks print_cb = {
514 		.print_start = default_print_start,
515 		.print_end = default_print_end,
516 		.print_event = default_print_event,
517 		.print_metric = default_print_metric,
518 		.skip_duplicate_pmus = default_skip_duplicate_pmus,
519 	};
520 	const char *cputype = NULL;
521 	const char *unit_name = NULL;
522 	const char *output_path = NULL;
523 	bool json = false;
524 	struct option list_options[] = {
525 		OPT_BOOLEAN(0, "raw-dump", &default_ps.name_only, "Dump raw events"),
526 		OPT_BOOLEAN('j', "json", &json, "JSON encode events and metrics"),
527 		OPT_BOOLEAN('d', "desc", &default_ps.desc,
528 			    "Print extra event descriptions. --no-desc to not print."),
529 		OPT_BOOLEAN('v', "long-desc", &default_ps.long_desc,
530 			    "Print longer event descriptions."),
531 		OPT_BOOLEAN(0, "details", &default_ps.detailed,
532 			    "Print information on the perf event names and expressions used internally by events."),
533 		OPT_STRING('o', "output", &output_path, "file", "output file name"),
534 		OPT_BOOLEAN(0, "deprecated", &default_ps.deprecated,
535 			    "Print deprecated events."),
536 		OPT_STRING(0, "cputype", &cputype, "cpu type",
537 			   "Limit PMU or metric printing to the given PMU (e.g. cpu, core or atom)."),
538 		OPT_STRING(0, "unit", &unit_name, "PMU name",
539 			   "Limit PMU or metric printing to the specified PMU."),
540 		OPT_INCR(0, "debug", &verbose,
541 			     "Enable debugging output"),
542 		OPT_END()
543 	};
544 	const char * const list_usage[] = {
545 #ifdef HAVE_LIBPFM
546 		"perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|metric|metricgroup|event_glob|pfm]",
547 #else
548 		"perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|metric|metricgroup|event_glob]",
549 #endif
550 		NULL
551 	};
552 
553 	set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
554 	/* Hide hybrid flag for the more generic 'unit' flag. */
555 	set_option_flag(list_options, 0, "cputype", PARSE_OPT_HIDDEN);
556 
557 	argc = parse_options(argc, argv, list_options, list_usage,
558 			     PARSE_OPT_STOP_AT_NON_OPTION);
559 
560 	if (output_path) {
561 		default_ps.fp = fopen(output_path, "w");
562 		json_ps.fp = default_ps.fp;
563 	}
564 
565 	setup_pager();
566 
567 	if (!default_ps.name_only)
568 		setup_pager();
569 
570 	if (json) {
571 		print_cb = (struct print_callbacks){
572 			.print_start = json_print_start,
573 			.print_end = json_print_end,
574 			.print_event = json_print_event,
575 			.print_metric = json_print_metric,
576 			.skip_duplicate_pmus = json_skip_duplicate_pmus,
577 		};
578 		ps = &json_ps;
579 	} else {
580 		default_ps.last_topic = strdup("");
581 		assert(default_ps.last_topic);
582 		default_ps.visited_metrics = strlist__new(NULL, NULL);
583 		assert(default_ps.visited_metrics);
584 		if (unit_name)
585 			default_ps.pmu_glob = strdup(unit_name);
586 		else if (cputype) {
587 			const struct perf_pmu *pmu = perf_pmus__pmu_for_pmu_filter(cputype);
588 
589 			if (!pmu) {
590 				pr_err("ERROR: cputype is not supported!\n");
591 				ret = -1;
592 				goto out;
593 			}
594 			default_ps.pmu_glob = strdup(pmu->name);
595 		}
596 	}
597 	print_cb.print_start(ps);
598 
599 	if (argc == 0) {
600 		default_ps.metrics = true;
601 		default_ps.metricgroups = true;
602 		print_events(&print_cb, ps);
603 		goto out;
604 	}
605 
606 	for (i = 0; i < argc; ++i) {
607 		char *sep, *s;
608 
609 		if (strcmp(argv[i], "tracepoint") == 0)
610 			print_tracepoint_events(&print_cb, ps);
611 		else if (strcmp(argv[i], "hw") == 0 ||
612 			 strcmp(argv[i], "hardware") == 0)
613 			print_symbol_events(&print_cb, ps, PERF_TYPE_HARDWARE,
614 					event_symbols_hw, PERF_COUNT_HW_MAX);
615 		else if (strcmp(argv[i], "sw") == 0 ||
616 			 strcmp(argv[i], "software") == 0) {
617 			print_symbol_events(&print_cb, ps, PERF_TYPE_SOFTWARE,
618 					event_symbols_sw, PERF_COUNT_SW_MAX);
619 			print_tool_events(&print_cb, ps);
620 		} else if (strcmp(argv[i], "cache") == 0 ||
621 			 strcmp(argv[i], "hwcache") == 0)
622 			print_hwcache_events(&print_cb, ps);
623 		else if (strcmp(argv[i], "pmu") == 0)
624 			perf_pmus__print_pmu_events(&print_cb, ps);
625 		else if (strcmp(argv[i], "sdt") == 0)
626 			print_sdt_events(&print_cb, ps);
627 		else if (strcmp(argv[i], "metric") == 0 || strcmp(argv[i], "metrics") == 0) {
628 			default_ps.metricgroups = false;
629 			default_ps.metrics = true;
630 			metricgroup__print(&print_cb, ps);
631 		} else if (strcmp(argv[i], "metricgroup") == 0 ||
632 			   strcmp(argv[i], "metricgroups") == 0) {
633 			default_ps.metricgroups = true;
634 			default_ps.metrics = false;
635 			metricgroup__print(&print_cb, ps);
636 		}
637 #ifdef HAVE_LIBPFM
638 		else if (strcmp(argv[i], "pfm") == 0)
639 			print_libpfm_events(&print_cb, ps);
640 #endif
641 		else if ((sep = strchr(argv[i], ':')) != NULL) {
642 			char *old_pmu_glob = default_ps.pmu_glob;
643 
644 			default_ps.event_glob = strdup(argv[i]);
645 			if (!default_ps.event_glob) {
646 				ret = -1;
647 				goto out;
648 			}
649 
650 			print_tracepoint_events(&print_cb, ps);
651 			print_sdt_events(&print_cb, ps);
652 			default_ps.metrics = true;
653 			default_ps.metricgroups = true;
654 			metricgroup__print(&print_cb, ps);
655 			zfree(&default_ps.event_glob);
656 			default_ps.pmu_glob = old_pmu_glob;
657 		} else {
658 			if (asprintf(&s, "*%s*", argv[i]) < 0) {
659 				printf("Critical: Not enough memory! Trying to continue...\n");
660 				continue;
661 			}
662 			default_ps.event_glob = s;
663 			print_symbol_events(&print_cb, ps, PERF_TYPE_HARDWARE,
664 					event_symbols_hw, PERF_COUNT_HW_MAX);
665 			print_symbol_events(&print_cb, ps, PERF_TYPE_SOFTWARE,
666 					event_symbols_sw, PERF_COUNT_SW_MAX);
667 			print_tool_events(&print_cb, ps);
668 			print_hwcache_events(&print_cb, ps);
669 			perf_pmus__print_pmu_events(&print_cb, ps);
670 			print_tracepoint_events(&print_cb, ps);
671 			print_sdt_events(&print_cb, ps);
672 			default_ps.metrics = true;
673 			default_ps.metricgroups = true;
674 			metricgroup__print(&print_cb, ps);
675 			free(s);
676 		}
677 	}
678 
679 out:
680 	print_cb.print_end(ps);
681 	free(default_ps.pmu_glob);
682 	free(default_ps.last_topic);
683 	free(default_ps.last_metricgroups);
684 	strlist__delete(default_ps.visited_metrics);
685 	if (output_path)
686 		fclose(default_ps.fp);
687 
688 	return ret;
689 }
690