tools/perf/builtin-list.c

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