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-rw-r--r--tools/perf/builtin-top.c557
1 files changed, 272 insertions, 285 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index c9cdedb58134..c3836b966ccf 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -64,44 +64,6 @@
64#include <linux/unistd.h> 64#include <linux/unistd.h>
65#include <linux/types.h> 65#include <linux/types.h>
66 66
67static struct perf_top top = {
68 .count_filter = 5,
69 .delay_secs = 2,
70 .target_pid = -1,
71 .target_tid = -1,
72 .freq = 1000, /* 1 KHz */
73};
74
75static bool system_wide = false;
76
77static bool use_tui, use_stdio;
78
79static bool sort_has_symbols;
80
81static bool dont_use_callchains;
82static char callchain_default_opt[] = "fractal,0.5,callee";
83
84
85static int default_interval = 0;
86
87static bool kptr_restrict_warned;
88static bool vmlinux_warned;
89static bool inherit = false;
90static int realtime_prio = 0;
91static bool group = false;
92static bool sample_id_all_avail = true;
93static unsigned int mmap_pages = 128;
94
95static bool dump_symtab = false;
96
97static struct winsize winsize;
98
99static const char *sym_filter = NULL;
100static int sym_pcnt_filter = 5;
101
102/*
103 * Source functions
104 */
105 67
106void get_term_dimensions(struct winsize *ws) 68void get_term_dimensions(struct winsize *ws)
107{ 69{
@@ -125,21 +87,23 @@ void get_term_dimensions(struct winsize *ws)
125 ws->ws_col = 80; 87 ws->ws_col = 80;
126} 88}
127 89
128static void update_print_entries(struct winsize *ws) 90static void perf_top__update_print_entries(struct perf_top *top)
129{ 91{
130 top.print_entries = ws->ws_row; 92 top->print_entries = top->winsize.ws_row;
131 93
132 if (top.print_entries > 9) 94 if (top->print_entries > 9)
133 top.print_entries -= 9; 95 top->print_entries -= 9;
134} 96}
135 97
136static void sig_winch_handler(int sig __used) 98static void perf_top__sig_winch(int sig __used, siginfo_t *info __used, void *arg)
137{ 99{
138 get_term_dimensions(&winsize); 100 struct perf_top *top = arg;
139 update_print_entries(&winsize); 101
102 get_term_dimensions(&top->winsize);
103 perf_top__update_print_entries(top);
140} 104}
141 105
142static int parse_source(struct hist_entry *he) 106static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he)
143{ 107{
144 struct symbol *sym; 108 struct symbol *sym;
145 struct annotation *notes; 109 struct annotation *notes;
@@ -170,7 +134,7 @@ static int parse_source(struct hist_entry *he)
170 134
171 pthread_mutex_lock(&notes->lock); 135 pthread_mutex_lock(&notes->lock);
172 136
173 if (symbol__alloc_hist(sym, top.evlist->nr_entries) < 0) { 137 if (symbol__alloc_hist(sym) < 0) {
174 pthread_mutex_unlock(&notes->lock); 138 pthread_mutex_unlock(&notes->lock);
175 pr_err("Not enough memory for annotating '%s' symbol!\n", 139 pr_err("Not enough memory for annotating '%s' symbol!\n",
176 sym->name); 140 sym->name);
@@ -181,7 +145,7 @@ static int parse_source(struct hist_entry *he)
181 err = symbol__annotate(sym, map, 0); 145 err = symbol__annotate(sym, map, 0);
182 if (err == 0) { 146 if (err == 0) {
183out_assign: 147out_assign:
184 top.sym_filter_entry = he; 148 top->sym_filter_entry = he;
185 } 149 }
186 150
187 pthread_mutex_unlock(&notes->lock); 151 pthread_mutex_unlock(&notes->lock);
@@ -194,14 +158,16 @@ static void __zero_source_counters(struct hist_entry *he)
194 symbol__annotate_zero_histograms(sym); 158 symbol__annotate_zero_histograms(sym);
195} 159}
196 160
197static void record_precise_ip(struct hist_entry *he, int counter, u64 ip) 161static void perf_top__record_precise_ip(struct perf_top *top,
162 struct hist_entry *he,
163 int counter, u64 ip)
198{ 164{
199 struct annotation *notes; 165 struct annotation *notes;
200 struct symbol *sym; 166 struct symbol *sym;
201 167
202 if (he == NULL || he->ms.sym == NULL || 168 if (he == NULL || he->ms.sym == NULL ||
203 ((top.sym_filter_entry == NULL || 169 ((top->sym_filter_entry == NULL ||
204 top.sym_filter_entry->ms.sym != he->ms.sym) && use_browser != 1)) 170 top->sym_filter_entry->ms.sym != he->ms.sym) && use_browser != 1))
205 return; 171 return;
206 172
207 sym = he->ms.sym; 173 sym = he->ms.sym;
@@ -210,8 +176,7 @@ static void record_precise_ip(struct hist_entry *he, int counter, u64 ip)
210 if (pthread_mutex_trylock(&notes->lock)) 176 if (pthread_mutex_trylock(&notes->lock))
211 return; 177 return;
212 178
213 if (notes->src == NULL && 179 if (notes->src == NULL && symbol__alloc_hist(sym) < 0) {
214 symbol__alloc_hist(sym, top.evlist->nr_entries) < 0) {
215 pthread_mutex_unlock(&notes->lock); 180 pthread_mutex_unlock(&notes->lock);
216 pr_err("Not enough memory for annotating '%s' symbol!\n", 181 pr_err("Not enough memory for annotating '%s' symbol!\n",
217 sym->name); 182 sym->name);
@@ -225,8 +190,9 @@ static void record_precise_ip(struct hist_entry *he, int counter, u64 ip)
225 pthread_mutex_unlock(&notes->lock); 190 pthread_mutex_unlock(&notes->lock);
226} 191}
227 192
228static void show_details(struct hist_entry *he) 193static void perf_top__show_details(struct perf_top *top)
229{ 194{
195 struct hist_entry *he = top->sym_filter_entry;
230 struct annotation *notes; 196 struct annotation *notes;
231 struct symbol *symbol; 197 struct symbol *symbol;
232 int more; 198 int more;
@@ -242,15 +208,15 @@ static void show_details(struct hist_entry *he)
242 if (notes->src == NULL) 208 if (notes->src == NULL)
243 goto out_unlock; 209 goto out_unlock;
244 210
245 printf("Showing %s for %s\n", event_name(top.sym_evsel), symbol->name); 211 printf("Showing %s for %s\n", event_name(top->sym_evsel), symbol->name);
246 printf(" Events Pcnt (>=%d%%)\n", sym_pcnt_filter); 212 printf(" Events Pcnt (>=%d%%)\n", top->sym_pcnt_filter);
247 213
248 more = symbol__annotate_printf(symbol, he->ms.map, top.sym_evsel->idx, 214 more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel->idx,
249 0, sym_pcnt_filter, top.print_entries, 4); 215 0, top->sym_pcnt_filter, top->print_entries, 4);
250 if (top.zero) 216 if (top->zero)
251 symbol__annotate_zero_histogram(symbol, top.sym_evsel->idx); 217 symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx);
252 else 218 else
253 symbol__annotate_decay_histogram(symbol, top.sym_evsel->idx); 219 symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx);
254 if (more != 0) 220 if (more != 0)
255 printf("%d lines not displayed, maybe increase display entries [e]\n", more); 221 printf("%d lines not displayed, maybe increase display entries [e]\n", more);
256out_unlock: 222out_unlock:
@@ -259,11 +225,9 @@ out_unlock:
259 225
260static const char CONSOLE_CLEAR[] = ""; 226static const char CONSOLE_CLEAR[] = "";
261 227
262static struct hist_entry * 228static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel,
263 perf_session__add_hist_entry(struct perf_session *session, 229 struct addr_location *al,
264 struct addr_location *al, 230 struct perf_sample *sample)
265 struct perf_sample *sample,
266 struct perf_evsel *evsel)
267{ 231{
268 struct hist_entry *he; 232 struct hist_entry *he;
269 233
@@ -271,50 +235,51 @@ static struct hist_entry *
271 if (he == NULL) 235 if (he == NULL)
272 return NULL; 236 return NULL;
273 237
274 session->hists.stats.total_period += sample->period; 238 evsel->hists.stats.total_period += sample->period;
275 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); 239 hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE);
276 return he; 240 return he;
277} 241}
278 242
279static void print_sym_table(void) 243static void perf_top__print_sym_table(struct perf_top *top)
280{ 244{
281 char bf[160]; 245 char bf[160];
282 int printed = 0; 246 int printed = 0;
283 const int win_width = winsize.ws_col - 1; 247 const int win_width = top->winsize.ws_col - 1;
284 248
285 puts(CONSOLE_CLEAR); 249 puts(CONSOLE_CLEAR);
286 250
287 perf_top__header_snprintf(&top, bf, sizeof(bf)); 251 perf_top__header_snprintf(top, bf, sizeof(bf));
288 printf("%s\n", bf); 252 printf("%s\n", bf);
289 253
290 perf_top__reset_sample_counters(&top); 254 perf_top__reset_sample_counters(top);
291 255
292 printf("%-*.*s\n", win_width, win_width, graph_dotted_line); 256 printf("%-*.*s\n", win_width, win_width, graph_dotted_line);
293 257
294 if (top.sym_evsel->hists.stats.nr_lost_warned != 258 if (top->sym_evsel->hists.stats.nr_lost_warned !=
295 top.sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]) { 259 top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]) {
296 top.sym_evsel->hists.stats.nr_lost_warned = 260 top->sym_evsel->hists.stats.nr_lost_warned =
297 top.sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST]; 261 top->sym_evsel->hists.stats.nr_events[PERF_RECORD_LOST];
298 color_fprintf(stdout, PERF_COLOR_RED, 262 color_fprintf(stdout, PERF_COLOR_RED,
299 "WARNING: LOST %d chunks, Check IO/CPU overload", 263 "WARNING: LOST %d chunks, Check IO/CPU overload",
300 top.sym_evsel->hists.stats.nr_lost_warned); 264 top->sym_evsel->hists.stats.nr_lost_warned);
301 ++printed; 265 ++printed;
302 } 266 }
303 267
304 if (top.sym_filter_entry) { 268 if (top->sym_filter_entry) {
305 show_details(top.sym_filter_entry); 269 perf_top__show_details(top);
306 return; 270 return;
307 } 271 }
308 272
309 hists__collapse_resort_threaded(&top.sym_evsel->hists); 273 hists__collapse_resort_threaded(&top->sym_evsel->hists);
310 hists__output_resort_threaded(&top.sym_evsel->hists); 274 hists__output_resort_threaded(&top->sym_evsel->hists);
311 hists__decay_entries_threaded(&top.sym_evsel->hists, 275 hists__decay_entries_threaded(&top->sym_evsel->hists,
312 top.hide_user_symbols, 276 top->hide_user_symbols,
313 top.hide_kernel_symbols); 277 top->hide_kernel_symbols);
314 hists__output_recalc_col_len(&top.sym_evsel->hists, winsize.ws_row - 3); 278 hists__output_recalc_col_len(&top->sym_evsel->hists,
279 top->winsize.ws_row - 3);
315 putchar('\n'); 280 putchar('\n');
316 hists__fprintf(&top.sym_evsel->hists, NULL, false, false, 281 hists__fprintf(&top->sym_evsel->hists, NULL, false, false,
317 winsize.ws_row - 4 - printed, win_width, stdout); 282 top->winsize.ws_row - 4 - printed, win_width, stdout);
318} 283}
319 284
320static void prompt_integer(int *target, const char *msg) 285static void prompt_integer(int *target, const char *msg)
@@ -352,17 +317,17 @@ static void prompt_percent(int *target, const char *msg)
352 *target = tmp; 317 *target = tmp;
353} 318}
354 319
355static void prompt_symbol(struct hist_entry **target, const char *msg) 320static void perf_top__prompt_symbol(struct perf_top *top, const char *msg)
356{ 321{
357 char *buf = malloc(0), *p; 322 char *buf = malloc(0), *p;
358 struct hist_entry *syme = *target, *n, *found = NULL; 323 struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL;
359 struct rb_node *next; 324 struct rb_node *next;
360 size_t dummy = 0; 325 size_t dummy = 0;
361 326
362 /* zero counters of active symbol */ 327 /* zero counters of active symbol */
363 if (syme) { 328 if (syme) {
364 __zero_source_counters(syme); 329 __zero_source_counters(syme);
365 *target = NULL; 330 top->sym_filter_entry = NULL;
366 } 331 }
367 332
368 fprintf(stdout, "\n%s: ", msg); 333 fprintf(stdout, "\n%s: ", msg);
@@ -373,7 +338,7 @@ static void prompt_symbol(struct hist_entry **target, const char *msg)
373 if (p) 338 if (p)
374 *p = 0; 339 *p = 0;
375 340
376 next = rb_first(&top.sym_evsel->hists.entries); 341 next = rb_first(&top->sym_evsel->hists.entries);
377 while (next) { 342 while (next) {
378 n = rb_entry(next, struct hist_entry, rb_node); 343 n = rb_entry(next, struct hist_entry, rb_node);
379 if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) { 344 if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) {
@@ -388,45 +353,45 @@ static void prompt_symbol(struct hist_entry **target, const char *msg)
388 sleep(1); 353 sleep(1);
389 return; 354 return;
390 } else 355 } else
391 parse_source(found); 356 perf_top__parse_source(top, found);
392 357
393out_free: 358out_free:
394 free(buf); 359 free(buf);
395} 360}
396 361
397static void print_mapped_keys(void) 362static void perf_top__print_mapped_keys(struct perf_top *top)
398{ 363{
399 char *name = NULL; 364 char *name = NULL;
400 365
401 if (top.sym_filter_entry) { 366 if (top->sym_filter_entry) {
402 struct symbol *sym = top.sym_filter_entry->ms.sym; 367 struct symbol *sym = top->sym_filter_entry->ms.sym;
403 name = sym->name; 368 name = sym->name;
404 } 369 }
405 370
406 fprintf(stdout, "\nMapped keys:\n"); 371 fprintf(stdout, "\nMapped keys:\n");
407 fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top.delay_secs); 372 fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top->delay_secs);
408 fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top.print_entries); 373 fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top->print_entries);
409 374
410 if (top.evlist->nr_entries > 1) 375 if (top->evlist->nr_entries > 1)
411 fprintf(stdout, "\t[E] active event counter. \t(%s)\n", event_name(top.sym_evsel)); 376 fprintf(stdout, "\t[E] active event counter. \t(%s)\n", event_name(top->sym_evsel));
412 377
413 fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top.count_filter); 378 fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter);
414 379
415 fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", sym_pcnt_filter); 380 fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", top->sym_pcnt_filter);
416 fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL"); 381 fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL");
417 fprintf(stdout, "\t[S] stop annotation.\n"); 382 fprintf(stdout, "\t[S] stop annotation.\n");
418 383
419 fprintf(stdout, 384 fprintf(stdout,
420 "\t[K] hide kernel_symbols symbols. \t(%s)\n", 385 "\t[K] hide kernel_symbols symbols. \t(%s)\n",
421 top.hide_kernel_symbols ? "yes" : "no"); 386 top->hide_kernel_symbols ? "yes" : "no");
422 fprintf(stdout, 387 fprintf(stdout,
423 "\t[U] hide user symbols. \t(%s)\n", 388 "\t[U] hide user symbols. \t(%s)\n",
424 top.hide_user_symbols ? "yes" : "no"); 389 top->hide_user_symbols ? "yes" : "no");
425 fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", top.zero ? 1 : 0); 390 fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", top->zero ? 1 : 0);
426 fprintf(stdout, "\t[qQ] quit.\n"); 391 fprintf(stdout, "\t[qQ] quit.\n");
427} 392}
428 393
429static int key_mapped(int c) 394static int perf_top__key_mapped(struct perf_top *top, int c)
430{ 395{
431 switch (c) { 396 switch (c) {
432 case 'd': 397 case 'd':
@@ -442,7 +407,7 @@ static int key_mapped(int c)
442 case 'S': 407 case 'S':
443 return 1; 408 return 1;
444 case 'E': 409 case 'E':
445 return top.evlist->nr_entries > 1 ? 1 : 0; 410 return top->evlist->nr_entries > 1 ? 1 : 0;
446 default: 411 default:
447 break; 412 break;
448 } 413 }
@@ -450,13 +415,13 @@ static int key_mapped(int c)
450 return 0; 415 return 0;
451} 416}
452 417
453static void handle_keypress(int c) 418static void perf_top__handle_keypress(struct perf_top *top, int c)
454{ 419{
455 if (!key_mapped(c)) { 420 if (!perf_top__key_mapped(top, c)) {
456 struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; 421 struct pollfd stdin_poll = { .fd = 0, .events = POLLIN };
457 struct termios tc, save; 422 struct termios tc, save;
458 423
459 print_mapped_keys(); 424 perf_top__print_mapped_keys(top);
460 fprintf(stdout, "\nEnter selection, or unmapped key to continue: "); 425 fprintf(stdout, "\nEnter selection, or unmapped key to continue: ");
461 fflush(stdout); 426 fflush(stdout);
462 427
@@ -471,81 +436,86 @@ static void handle_keypress(int c)
471 c = getc(stdin); 436 c = getc(stdin);
472 437
473 tcsetattr(0, TCSAFLUSH, &save); 438 tcsetattr(0, TCSAFLUSH, &save);
474 if (!key_mapped(c)) 439 if (!perf_top__key_mapped(top, c))
475 return; 440 return;
476 } 441 }
477 442
478 switch (c) { 443 switch (c) {
479 case 'd': 444 case 'd':
480 prompt_integer(&top.delay_secs, "Enter display delay"); 445 prompt_integer(&top->delay_secs, "Enter display delay");
481 if (top.delay_secs < 1) 446 if (top->delay_secs < 1)
482 top.delay_secs = 1; 447 top->delay_secs = 1;
483 break; 448 break;
484 case 'e': 449 case 'e':
485 prompt_integer(&top.print_entries, "Enter display entries (lines)"); 450 prompt_integer(&top->print_entries, "Enter display entries (lines)");
486 if (top.print_entries == 0) { 451 if (top->print_entries == 0) {
487 sig_winch_handler(SIGWINCH); 452 struct sigaction act = {
488 signal(SIGWINCH, sig_winch_handler); 453 .sa_sigaction = perf_top__sig_winch,
454 .sa_flags = SA_SIGINFO,
455 };
456 perf_top__sig_winch(SIGWINCH, NULL, top);
457 sigaction(SIGWINCH, &act, NULL);
489 } else 458 } else
490 signal(SIGWINCH, SIG_DFL); 459 signal(SIGWINCH, SIG_DFL);
491 break; 460 break;
492 case 'E': 461 case 'E':
493 if (top.evlist->nr_entries > 1) { 462 if (top->evlist->nr_entries > 1) {
494 /* Select 0 as the default event: */ 463 /* Select 0 as the default event: */
495 int counter = 0; 464 int counter = 0;
496 465
497 fprintf(stderr, "\nAvailable events:"); 466 fprintf(stderr, "\nAvailable events:");
498 467
499 list_for_each_entry(top.sym_evsel, &top.evlist->entries, node) 468 list_for_each_entry(top->sym_evsel, &top->evlist->entries, node)
500 fprintf(stderr, "\n\t%d %s", top.sym_evsel->idx, event_name(top.sym_evsel)); 469 fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, event_name(top->sym_evsel));
501 470
502 prompt_integer(&counter, "Enter details event counter"); 471 prompt_integer(&counter, "Enter details event counter");
503 472
504 if (counter >= top.evlist->nr_entries) { 473 if (counter >= top->evlist->nr_entries) {
505 top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node); 474 top->sym_evsel = list_entry(top->evlist->entries.next, struct perf_evsel, node);
506 fprintf(stderr, "Sorry, no such event, using %s.\n", event_name(top.sym_evsel)); 475 fprintf(stderr, "Sorry, no such event, using %s.\n", event_name(top->sym_evsel));
507 sleep(1); 476 sleep(1);
508 break; 477 break;
509 } 478 }
510 list_for_each_entry(top.sym_evsel, &top.evlist->entries, node) 479 list_for_each_entry(top->sym_evsel, &top->evlist->entries, node)
511 if (top.sym_evsel->idx == counter) 480 if (top->sym_evsel->idx == counter)
512 break; 481 break;
513 } else 482 } else
514 top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node); 483 top->sym_evsel = list_entry(top->evlist->entries.next, struct perf_evsel, node);
515 break; 484 break;
516 case 'f': 485 case 'f':
517 prompt_integer(&top.count_filter, "Enter display event count filter"); 486 prompt_integer(&top->count_filter, "Enter display event count filter");
518 break; 487 break;
519 case 'F': 488 case 'F':
520 prompt_percent(&sym_pcnt_filter, "Enter details display event filter (percent)"); 489 prompt_percent(&top->sym_pcnt_filter,
490 "Enter details display event filter (percent)");
521 break; 491 break;
522 case 'K': 492 case 'K':
523 top.hide_kernel_symbols = !top.hide_kernel_symbols; 493 top->hide_kernel_symbols = !top->hide_kernel_symbols;
524 break; 494 break;
525 case 'q': 495 case 'q':
526 case 'Q': 496 case 'Q':
527 printf("exiting.\n"); 497 printf("exiting.\n");
528 if (dump_symtab) 498 if (top->dump_symtab)
529 perf_session__fprintf_dsos(top.session, stderr); 499 perf_session__fprintf_dsos(top->session, stderr);
530 exit(0); 500 exit(0);
531 case 's': 501 case 's':
532 prompt_symbol(&top.sym_filter_entry, "Enter details symbol"); 502 perf_top__prompt_symbol(top, "Enter details symbol");
533 break; 503 break;
534 case 'S': 504 case 'S':
535 if (!top.sym_filter_entry) 505 if (!top->sym_filter_entry)
536 break; 506 break;
537 else { 507 else {
538 struct hist_entry *syme = top.sym_filter_entry; 508 struct hist_entry *syme = top->sym_filter_entry;
539 509
540 top.sym_filter_entry = NULL; 510 top->sym_filter_entry = NULL;
541 __zero_source_counters(syme); 511 __zero_source_counters(syme);
542 } 512 }
543 break; 513 break;
544 case 'U': 514 case 'U':
545 top.hide_user_symbols = !top.hide_user_symbols; 515 top->hide_user_symbols = !top->hide_user_symbols;
546 break; 516 break;
547 case 'z': 517 case 'z':
548 top.zero = !top.zero; 518 top->zero = !top->zero;
549 break; 519 break;
550 default: 520 default:
551 break; 521 break;
@@ -563,28 +533,30 @@ static void perf_top__sort_new_samples(void *arg)
563 hists__collapse_resort_threaded(&t->sym_evsel->hists); 533 hists__collapse_resort_threaded(&t->sym_evsel->hists);
564 hists__output_resort_threaded(&t->sym_evsel->hists); 534 hists__output_resort_threaded(&t->sym_evsel->hists);
565 hists__decay_entries_threaded(&t->sym_evsel->hists, 535 hists__decay_entries_threaded(&t->sym_evsel->hists,
566 top.hide_user_symbols, 536 t->hide_user_symbols,
567 top.hide_kernel_symbols); 537 t->hide_kernel_symbols);
568} 538}
569 539
570static void *display_thread_tui(void *arg __used) 540static void *display_thread_tui(void *arg)
571{ 541{
542 struct perf_top *top = arg;
572 const char *help = "For a higher level overview, try: perf top --sort comm,dso"; 543 const char *help = "For a higher level overview, try: perf top --sort comm,dso";
573 544
574 perf_top__sort_new_samples(&top); 545 perf_top__sort_new_samples(top);
575 perf_evlist__tui_browse_hists(top.evlist, help, 546 perf_evlist__tui_browse_hists(top->evlist, help,
576 perf_top__sort_new_samples, 547 perf_top__sort_new_samples,
577 &top, top.delay_secs); 548 top, top->delay_secs);
578 549
579 exit_browser(0); 550 exit_browser(0);
580 exit(0); 551 exit(0);
581 return NULL; 552 return NULL;
582} 553}
583 554
584static void *display_thread(void *arg __used) 555static void *display_thread(void *arg)
585{ 556{
586 struct pollfd stdin_poll = { .fd = 0, .events = POLLIN }; 557 struct pollfd stdin_poll = { .fd = 0, .events = POLLIN };
587 struct termios tc, save; 558 struct termios tc, save;
559 struct perf_top *top = arg;
588 int delay_msecs, c; 560 int delay_msecs, c;
589 561
590 tcgetattr(0, &save); 562 tcgetattr(0, &save);
@@ -595,13 +567,13 @@ static void *display_thread(void *arg __used)
595 567
596 pthread__unblock_sigwinch(); 568 pthread__unblock_sigwinch();
597repeat: 569repeat:
598 delay_msecs = top.delay_secs * 1000; 570 delay_msecs = top->delay_secs * 1000;
599 tcsetattr(0, TCSANOW, &tc); 571 tcsetattr(0, TCSANOW, &tc);
600 /* trash return*/ 572 /* trash return*/
601 getc(stdin); 573 getc(stdin);
602 574
603 while (1) { 575 while (1) {
604 print_sym_table(); 576 perf_top__print_sym_table(top);
605 /* 577 /*
606 * Either timeout expired or we got an EINTR due to SIGWINCH, 578 * Either timeout expired or we got an EINTR due to SIGWINCH,
607 * refresh screen in both cases. 579 * refresh screen in both cases.
@@ -621,7 +593,7 @@ process_hotkey:
621 c = getc(stdin); 593 c = getc(stdin);
622 tcsetattr(0, TCSAFLUSH, &save); 594 tcsetattr(0, TCSAFLUSH, &save);
623 595
624 handle_keypress(c); 596 perf_top__handle_keypress(top, c);
625 goto repeat; 597 goto repeat;
626 598
627 return NULL; 599 return NULL;
@@ -673,47 +645,17 @@ static int symbol_filter(struct map *map __used, struct symbol *sym)
673 return 0; 645 return 0;
674} 646}
675 647
676static void perf_event__process_sample(const union perf_event *event, 648static void perf_event__process_sample(struct perf_tool *tool,
649 const union perf_event *event,
677 struct perf_evsel *evsel, 650 struct perf_evsel *evsel,
678 struct perf_sample *sample, 651 struct perf_sample *sample,
679 struct perf_session *session) 652 struct machine *machine)
680{ 653{
654 struct perf_top *top = container_of(tool, struct perf_top, tool);
681 struct symbol *parent = NULL; 655 struct symbol *parent = NULL;
682 u64 ip = event->ip.ip; 656 u64 ip = event->ip.ip;
683 struct addr_location al; 657 struct addr_location al;
684 struct machine *machine;
685 int err; 658 int err;
686 u8 origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
687
688 ++top.samples;
689
690 switch (origin) {
691 case PERF_RECORD_MISC_USER:
692 ++top.us_samples;
693 if (top.hide_user_symbols)
694 return;
695 machine = perf_session__find_host_machine(session);
696 break;
697 case PERF_RECORD_MISC_KERNEL:
698 ++top.kernel_samples;
699 if (top.hide_kernel_symbols)
700 return;
701 machine = perf_session__find_host_machine(session);
702 break;
703 case PERF_RECORD_MISC_GUEST_KERNEL:
704 ++top.guest_kernel_samples;
705 machine = perf_session__find_machine(session, event->ip.pid);
706 break;
707 case PERF_RECORD_MISC_GUEST_USER:
708 ++top.guest_us_samples;
709 /*
710 * TODO: we don't process guest user from host side
711 * except simple counting.
712 */
713 return;
714 default:
715 return;
716 }
717 659
718 if (!machine && perf_guest) { 660 if (!machine && perf_guest) {
719 pr_err("Can't find guest [%d]'s kernel information\n", 661 pr_err("Can't find guest [%d]'s kernel information\n",
@@ -722,14 +664,14 @@ static void perf_event__process_sample(const union perf_event *event,
722 } 664 }
723 665
724 if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) 666 if (event->header.misc & PERF_RECORD_MISC_EXACT_IP)
725 top.exact_samples++; 667 top->exact_samples++;
726 668
727 if (perf_event__preprocess_sample(event, session, &al, sample, 669 if (perf_event__preprocess_sample(event, machine, &al, sample,
728 symbol_filter) < 0 || 670 symbol_filter) < 0 ||
729 al.filtered) 671 al.filtered)
730 return; 672 return;
731 673
732 if (!kptr_restrict_warned && 674 if (!top->kptr_restrict_warned &&
733 symbol_conf.kptr_restrict && 675 symbol_conf.kptr_restrict &&
734 al.cpumode == PERF_RECORD_MISC_KERNEL) { 676 al.cpumode == PERF_RECORD_MISC_KERNEL) {
735 ui__warning( 677 ui__warning(
@@ -740,7 +682,7 @@ static void perf_event__process_sample(const union perf_event *event,
740 " modules" : ""); 682 " modules" : "");
741 if (use_browser <= 0) 683 if (use_browser <= 0)
742 sleep(5); 684 sleep(5);
743 kptr_restrict_warned = true; 685 top->kptr_restrict_warned = true;
744 } 686 }
745 687
746 if (al.sym == NULL) { 688 if (al.sym == NULL) {
@@ -756,7 +698,7 @@ static void perf_event__process_sample(const union perf_event *event,
756 * --hide-kernel-symbols, even if the user specifies an 698 * --hide-kernel-symbols, even if the user specifies an
757 * invalid --vmlinux ;-) 699 * invalid --vmlinux ;-)
758 */ 700 */
759 if (!kptr_restrict_warned && !vmlinux_warned && 701 if (!top->kptr_restrict_warned && !top->vmlinux_warned &&
760 al.map == machine->vmlinux_maps[MAP__FUNCTION] && 702 al.map == machine->vmlinux_maps[MAP__FUNCTION] &&
761 RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) { 703 RB_EMPTY_ROOT(&al.map->dso->symbols[MAP__FUNCTION])) {
762 if (symbol_conf.vmlinux_name) { 704 if (symbol_conf.vmlinux_name) {
@@ -769,7 +711,7 @@ static void perf_event__process_sample(const union perf_event *event,
769 711
770 if (use_browser <= 0) 712 if (use_browser <= 0)
771 sleep(5); 713 sleep(5);
772 vmlinux_warned = true; 714 top->vmlinux_warned = true;
773 } 715 }
774 } 716 }
775 717
@@ -778,70 +720,109 @@ static void perf_event__process_sample(const union perf_event *event,
778 720
779 if ((sort__has_parent || symbol_conf.use_callchain) && 721 if ((sort__has_parent || symbol_conf.use_callchain) &&
780 sample->callchain) { 722 sample->callchain) {
781 err = perf_session__resolve_callchain(session, al.thread, 723 err = machine__resolve_callchain(machine, evsel, al.thread,
782 sample->callchain, &parent); 724 sample->callchain, &parent);
783 if (err) 725 if (err)
784 return; 726 return;
785 } 727 }
786 728
787 he = perf_session__add_hist_entry(session, &al, sample, evsel); 729 he = perf_evsel__add_hist_entry(evsel, &al, sample);
788 if (he == NULL) { 730 if (he == NULL) {
789 pr_err("Problem incrementing symbol period, skipping event\n"); 731 pr_err("Problem incrementing symbol period, skipping event\n");
790 return; 732 return;
791 } 733 }
792 734
793 if (symbol_conf.use_callchain) { 735 if (symbol_conf.use_callchain) {
794 err = callchain_append(he->callchain, &session->callchain_cursor, 736 err = callchain_append(he->callchain, &evsel->hists.callchain_cursor,
795 sample->period); 737 sample->period);
796 if (err) 738 if (err)
797 return; 739 return;
798 } 740 }
799 741
800 if (sort_has_symbols) 742 if (top->sort_has_symbols)
801 record_precise_ip(he, evsel->idx, ip); 743 perf_top__record_precise_ip(top, he, evsel->idx, ip);
802 } 744 }
803 745
804 return; 746 return;
805} 747}
806 748
807static void perf_session__mmap_read_idx(struct perf_session *self, int idx) 749static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
808{ 750{
809 struct perf_sample sample; 751 struct perf_sample sample;
810 struct perf_evsel *evsel; 752 struct perf_evsel *evsel;
753 struct perf_session *session = top->session;
811 union perf_event *event; 754 union perf_event *event;
755 struct machine *machine;
756 u8 origin;
812 int ret; 757 int ret;
813 758
814 while ((event = perf_evlist__mmap_read(top.evlist, idx)) != NULL) { 759 while ((event = perf_evlist__mmap_read(top->evlist, idx)) != NULL) {
815 ret = perf_session__parse_sample(self, event, &sample); 760 ret = perf_session__parse_sample(session, event, &sample);
816 if (ret) { 761 if (ret) {
817 pr_err("Can't parse sample, err = %d\n", ret); 762 pr_err("Can't parse sample, err = %d\n", ret);
818 continue; 763 continue;
819 } 764 }
820 765
821 evsel = perf_evlist__id2evsel(self->evlist, sample.id); 766 evsel = perf_evlist__id2evsel(session->evlist, sample.id);
822 assert(evsel != NULL); 767 assert(evsel != NULL);
823 768
769 origin = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
770
824 if (event->header.type == PERF_RECORD_SAMPLE) 771 if (event->header.type == PERF_RECORD_SAMPLE)
825 perf_event__process_sample(event, evsel, &sample, self); 772 ++top->samples;
826 else if (event->header.type < PERF_RECORD_MAX) { 773
774 switch (origin) {
775 case PERF_RECORD_MISC_USER:
776 ++top->us_samples;
777 if (top->hide_user_symbols)
778 continue;
779 machine = perf_session__find_host_machine(session);
780 break;
781 case PERF_RECORD_MISC_KERNEL:
782 ++top->kernel_samples;
783 if (top->hide_kernel_symbols)
784 continue;
785 machine = perf_session__find_host_machine(session);
786 break;
787 case PERF_RECORD_MISC_GUEST_KERNEL:
788 ++top->guest_kernel_samples;
789 machine = perf_session__find_machine(session, event->ip.pid);
790 break;
791 case PERF_RECORD_MISC_GUEST_USER:
792 ++top->guest_us_samples;
793 /*
794 * TODO: we don't process guest user from host side
795 * except simple counting.
796 */
797 /* Fall thru */
798 default:
799 continue;
800 }
801
802
803 if (event->header.type == PERF_RECORD_SAMPLE) {
804 perf_event__process_sample(&top->tool, event, evsel,
805 &sample, machine);
806 } else if (event->header.type < PERF_RECORD_MAX) {
827 hists__inc_nr_events(&evsel->hists, event->header.type); 807 hists__inc_nr_events(&evsel->hists, event->header.type);
828 perf_event__process(event, &sample, self); 808 perf_event__process(&top->tool, event, &sample, machine);
829 } else 809 } else
830 ++self->hists.stats.nr_unknown_events; 810 ++session->hists.stats.nr_unknown_events;
831 } 811 }
832} 812}
833 813
834static void perf_session__mmap_read(struct perf_session *self) 814static void perf_top__mmap_read(struct perf_top *top)
835{ 815{
836 int i; 816 int i;
837 817
838 for (i = 0; i < top.evlist->nr_mmaps; i++) 818 for (i = 0; i < top->evlist->nr_mmaps; i++)
839 perf_session__mmap_read_idx(self, i); 819 perf_top__mmap_read_idx(top, i);
840} 820}
841 821
842static void start_counters(struct perf_evlist *evlist) 822static void perf_top__start_counters(struct perf_top *top)
843{ 823{
844 struct perf_evsel *counter, *first; 824 struct perf_evsel *counter, *first;
825 struct perf_evlist *evlist = top->evlist;
845 826
846 first = list_entry(evlist->entries.next, struct perf_evsel, node); 827 first = list_entry(evlist->entries.next, struct perf_evsel, node);
847 828
@@ -849,15 +830,15 @@ static void start_counters(struct perf_evlist *evlist)
849 struct perf_event_attr *attr = &counter->attr; 830 struct perf_event_attr *attr = &counter->attr;
850 struct xyarray *group_fd = NULL; 831 struct xyarray *group_fd = NULL;
851 832
852 if (group && counter != first) 833 if (top->group && counter != first)
853 group_fd = first->fd; 834 group_fd = first->fd;
854 835
855 attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; 836 attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID;
856 837
857 if (top.freq) { 838 if (top->freq) {
858 attr->sample_type |= PERF_SAMPLE_PERIOD; 839 attr->sample_type |= PERF_SAMPLE_PERIOD;
859 attr->freq = 1; 840 attr->freq = 1;
860 attr->sample_freq = top.freq; 841 attr->sample_freq = top->freq;
861 } 842 }
862 843
863 if (evlist->nr_entries > 1) { 844 if (evlist->nr_entries > 1) {
@@ -870,23 +851,23 @@ static void start_counters(struct perf_evlist *evlist)
870 851
871 attr->mmap = 1; 852 attr->mmap = 1;
872 attr->comm = 1; 853 attr->comm = 1;
873 attr->inherit = inherit; 854 attr->inherit = top->inherit;
874retry_sample_id: 855retry_sample_id:
875 attr->sample_id_all = sample_id_all_avail ? 1 : 0; 856 attr->sample_id_all = top->sample_id_all_avail ? 1 : 0;
876try_again: 857try_again:
877 if (perf_evsel__open(counter, top.evlist->cpus, 858 if (perf_evsel__open(counter, top->evlist->cpus,
878 top.evlist->threads, group, 859 top->evlist->threads, top->group,
879 group_fd) < 0) { 860 group_fd) < 0) {
880 int err = errno; 861 int err = errno;
881 862
882 if (err == EPERM || err == EACCES) { 863 if (err == EPERM || err == EACCES) {
883 ui__error_paranoid(); 864 ui__error_paranoid();
884 goto out_err; 865 goto out_err;
885 } else if (err == EINVAL && sample_id_all_avail) { 866 } else if (err == EINVAL && top->sample_id_all_avail) {
886 /* 867 /*
887 * Old kernel, no attr->sample_id_type_all field 868 * Old kernel, no attr->sample_id_type_all field
888 */ 869 */
889 sample_id_all_avail = false; 870 top->sample_id_all_avail = false;
890 goto retry_sample_id; 871 goto retry_sample_id;
891 } 872 }
892 /* 873 /*
@@ -920,7 +901,7 @@ try_again:
920 } 901 }
921 } 902 }
922 903
923 if (perf_evlist__mmap(evlist, mmap_pages, false) < 0) { 904 if (perf_evlist__mmap(evlist, top->mmap_pages, false) < 0) {
924 ui__warning("Failed to mmap with %d (%s)\n", 905 ui__warning("Failed to mmap with %d (%s)\n",
925 errno, strerror(errno)); 906 errno, strerror(errno));
926 goto out_err; 907 goto out_err;
@@ -933,14 +914,14 @@ out_err:
933 exit(0); 914 exit(0);
934} 915}
935 916
936static int setup_sample_type(void) 917static int perf_top__setup_sample_type(struct perf_top *top)
937{ 918{
938 if (!sort_has_symbols) { 919 if (!top->sort_has_symbols) {
939 if (symbol_conf.use_callchain) { 920 if (symbol_conf.use_callchain) {
940 ui__warning("Selected -g but \"sym\" not present in --sort/-s."); 921 ui__warning("Selected -g but \"sym\" not present in --sort/-s.");
941 return -EINVAL; 922 return -EINVAL;
942 } 923 }
943 } else if (!dont_use_callchains && callchain_param.mode != CHAIN_NONE) { 924 } else if (!top->dont_use_callchains && callchain_param.mode != CHAIN_NONE) {
944 if (callchain_register_param(&callchain_param) < 0) { 925 if (callchain_register_param(&callchain_param) < 0) {
945 ui__warning("Can't register callchain params.\n"); 926 ui__warning("Can't register callchain params.\n");
946 return -EINVAL; 927 return -EINVAL;
@@ -950,7 +931,7 @@ static int setup_sample_type(void)
950 return 0; 931 return 0;
951} 932}
952 933
953static int __cmd_top(void) 934static int __cmd_top(struct perf_top *top)
954{ 935{
955 pthread_t thread; 936 pthread_t thread;
956 int ret; 937 int ret;
@@ -958,39 +939,40 @@ static int __cmd_top(void)
958 * FIXME: perf_session__new should allow passing a O_MMAP, so that all this 939 * FIXME: perf_session__new should allow passing a O_MMAP, so that all this
959 * mmap reading, etc is encapsulated in it. Use O_WRONLY for now. 940 * mmap reading, etc is encapsulated in it. Use O_WRONLY for now.
960 */ 941 */
961 top.session = perf_session__new(NULL, O_WRONLY, false, false, NULL); 942 top->session = perf_session__new(NULL, O_WRONLY, false, false, NULL);
962 if (top.session == NULL) 943 if (top->session == NULL)
963 return -ENOMEM; 944 return -ENOMEM;
964 945
965 ret = setup_sample_type(); 946 ret = perf_top__setup_sample_type(top);
966 if (ret) 947 if (ret)
967 goto out_delete; 948 goto out_delete;
968 949
969 if (top.target_tid != -1) 950 if (top->target_tid != -1)
970 perf_event__synthesize_thread_map(top.evlist->threads, 951 perf_event__synthesize_thread_map(&top->tool, top->evlist->threads,
971 perf_event__process, top.session); 952 perf_event__process,
953 &top->session->host_machine);
972 else 954 else
973 perf_event__synthesize_threads(perf_event__process, top.session); 955 perf_event__synthesize_threads(&top->tool, perf_event__process,
974 956 &top->session->host_machine);
975 start_counters(top.evlist); 957 perf_top__start_counters(top);
976 top.session->evlist = top.evlist; 958 top->session->evlist = top->evlist;
977 perf_session__update_sample_type(top.session); 959 perf_session__update_sample_type(top->session);
978 960
979 /* Wait for a minimal set of events before starting the snapshot */ 961 /* Wait for a minimal set of events before starting the snapshot */
980 poll(top.evlist->pollfd, top.evlist->nr_fds, 100); 962 poll(top->evlist->pollfd, top->evlist->nr_fds, 100);
981 963
982 perf_session__mmap_read(top.session); 964 perf_top__mmap_read(top);
983 965
984 if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui : 966 if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui :
985 display_thread), NULL)) { 967 display_thread), top)) {
986 printf("Could not create display thread.\n"); 968 printf("Could not create display thread.\n");
987 exit(-1); 969 exit(-1);
988 } 970 }
989 971
990 if (realtime_prio) { 972 if (top->realtime_prio) {
991 struct sched_param param; 973 struct sched_param param;
992 974
993 param.sched_priority = realtime_prio; 975 param.sched_priority = top->realtime_prio;
994 if (sched_setscheduler(0, SCHED_FIFO, &param)) { 976 if (sched_setscheduler(0, SCHED_FIFO, &param)) {
995 printf("Could not set realtime priority.\n"); 977 printf("Could not set realtime priority.\n");
996 exit(-1); 978 exit(-1);
@@ -998,25 +980,25 @@ static int __cmd_top(void)
998 } 980 }
999 981
1000 while (1) { 982 while (1) {
1001 u64 hits = top.samples; 983 u64 hits = top->samples;
1002 984
1003 perf_session__mmap_read(top.session); 985 perf_top__mmap_read(top);
1004 986
1005 if (hits == top.samples) 987 if (hits == top->samples)
1006 ret = poll(top.evlist->pollfd, top.evlist->nr_fds, 100); 988 ret = poll(top->evlist->pollfd, top->evlist->nr_fds, 100);
1007 } 989 }
1008 990
1009out_delete: 991out_delete:
1010 perf_session__delete(top.session); 992 perf_session__delete(top->session);
1011 top.session = NULL; 993 top->session = NULL;
1012 994
1013 return 0; 995 return 0;
1014} 996}
1015 997
1016static int 998static int
1017parse_callchain_opt(const struct option *opt __used, const char *arg, 999parse_callchain_opt(const struct option *opt, const char *arg, int unset)
1018 int unset)
1019{ 1000{
1001 struct perf_top *top = (struct perf_top *)opt->value;
1020 char *tok, *tok2; 1002 char *tok, *tok2;
1021 char *endptr; 1003 char *endptr;
1022 1004
@@ -1024,7 +1006,7 @@ parse_callchain_opt(const struct option *opt __used, const char *arg,
1024 * --no-call-graph 1006 * --no-call-graph
1025 */ 1007 */
1026 if (unset) { 1008 if (unset) {
1027 dont_use_callchains = true; 1009 top->dont_use_callchains = true;
1028 return 0; 1010 return 0;
1029 } 1011 }
1030 1012
@@ -1052,9 +1034,7 @@ parse_callchain_opt(const struct option *opt __used, const char *arg,
1052 symbol_conf.use_callchain = false; 1034 symbol_conf.use_callchain = false;
1053 1035
1054 return 0; 1036 return 0;
1055 } 1037 } else
1056
1057 else
1058 return -1; 1038 return -1;
1059 1039
1060 /* get the min percentage */ 1040 /* get the min percentage */
@@ -1098,17 +1078,32 @@ static const char * const top_usage[] = {
1098 NULL 1078 NULL
1099}; 1079};
1100 1080
1101static const struct option options[] = { 1081int cmd_top(int argc, const char **argv, const char *prefix __used)
1082{
1083 struct perf_evsel *pos;
1084 int status = -ENOMEM;
1085 struct perf_top top = {
1086 .count_filter = 5,
1087 .delay_secs = 2,
1088 .target_pid = -1,
1089 .target_tid = -1,
1090 .freq = 1000, /* 1 KHz */
1091 .sample_id_all_avail = true,
1092 .mmap_pages = 128,
1093 .sym_pcnt_filter = 5,
1094 };
1095 char callchain_default_opt[] = "fractal,0.5,callee";
1096 const struct option options[] = {
1102 OPT_CALLBACK('e', "event", &top.evlist, "event", 1097 OPT_CALLBACK('e', "event", &top.evlist, "event",
1103 "event selector. use 'perf list' to list available events", 1098 "event selector. use 'perf list' to list available events",
1104 parse_events_option), 1099 parse_events_option),
1105 OPT_INTEGER('c', "count", &default_interval, 1100 OPT_INTEGER('c', "count", &top.default_interval,
1106 "event period to sample"), 1101 "event period to sample"),
1107 OPT_INTEGER('p', "pid", &top.target_pid, 1102 OPT_INTEGER('p', "pid", &top.target_pid,
1108 "profile events on existing process id"), 1103 "profile events on existing process id"),
1109 OPT_INTEGER('t', "tid", &top.target_tid, 1104 OPT_INTEGER('t', "tid", &top.target_tid,
1110 "profile events on existing thread id"), 1105 "profile events on existing thread id"),
1111 OPT_BOOLEAN('a', "all-cpus", &system_wide, 1106 OPT_BOOLEAN('a', "all-cpus", &top.system_wide,
1112 "system-wide collection from all CPUs"), 1107 "system-wide collection from all CPUs"),
1113 OPT_STRING('C', "cpu", &top.cpu_list, "cpu", 1108 OPT_STRING('C', "cpu", &top.cpu_list, "cpu",
1114 "list of cpus to monitor"), 1109 "list of cpus to monitor"),
@@ -1116,20 +1111,20 @@ static const struct option options[] = {
1116 "file", "vmlinux pathname"), 1111 "file", "vmlinux pathname"),
1117 OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols, 1112 OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols,
1118 "hide kernel symbols"), 1113 "hide kernel symbols"),
1119 OPT_UINTEGER('m', "mmap-pages", &mmap_pages, "number of mmap data pages"), 1114 OPT_UINTEGER('m', "mmap-pages", &top.mmap_pages, "number of mmap data pages"),
1120 OPT_INTEGER('r', "realtime", &realtime_prio, 1115 OPT_INTEGER('r', "realtime", &top.realtime_prio,
1121 "collect data with this RT SCHED_FIFO priority"), 1116 "collect data with this RT SCHED_FIFO priority"),
1122 OPT_INTEGER('d', "delay", &top.delay_secs, 1117 OPT_INTEGER('d', "delay", &top.delay_secs,
1123 "number of seconds to delay between refreshes"), 1118 "number of seconds to delay between refreshes"),
1124 OPT_BOOLEAN('D', "dump-symtab", &dump_symtab, 1119 OPT_BOOLEAN('D', "dump-symtab", &top.dump_symtab,
1125 "dump the symbol table used for profiling"), 1120 "dump the symbol table used for profiling"),
1126 OPT_INTEGER('f', "count-filter", &top.count_filter, 1121 OPT_INTEGER('f', "count-filter", &top.count_filter,
1127 "only display functions with more events than this"), 1122 "only display functions with more events than this"),
1128 OPT_BOOLEAN('g', "group", &group, 1123 OPT_BOOLEAN('g', "group", &top.group,
1129 "put the counters into a counter group"), 1124 "put the counters into a counter group"),
1130 OPT_BOOLEAN('i', "inherit", &inherit, 1125 OPT_BOOLEAN('i', "inherit", &top.inherit,
1131 "child tasks inherit counters"), 1126 "child tasks inherit counters"),
1132 OPT_STRING(0, "sym-annotate", &sym_filter, "symbol name", 1127 OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name",
1133 "symbol to annotate"), 1128 "symbol to annotate"),
1134 OPT_BOOLEAN('z', "zero", &top.zero, 1129 OPT_BOOLEAN('z', "zero", &top.zero,
1135 "zero history across updates"), 1130 "zero history across updates"),
@@ -1139,15 +1134,15 @@ static const struct option options[] = {
1139 "display this many functions"), 1134 "display this many functions"),
1140 OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols, 1135 OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols,
1141 "hide user symbols"), 1136 "hide user symbols"),
1142 OPT_BOOLEAN(0, "tui", &use_tui, "Use the TUI interface"), 1137 OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"),
1143 OPT_BOOLEAN(0, "stdio", &use_stdio, "Use the stdio interface"), 1138 OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"),
1144 OPT_INCR('v', "verbose", &verbose, 1139 OPT_INCR('v', "verbose", &verbose,
1145 "be more verbose (show counter open errors, etc)"), 1140 "be more verbose (show counter open errors, etc)"),
1146 OPT_STRING('s', "sort", &sort_order, "key[,key2...]", 1141 OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
1147 "sort by key(s): pid, comm, dso, symbol, parent"), 1142 "sort by key(s): pid, comm, dso, symbol, parent"),
1148 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples, 1143 OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
1149 "Show a column with the number of samples"), 1144 "Show a column with the number of samples"),
1150 OPT_CALLBACK_DEFAULT('G', "call-graph", NULL, "output_type,min_percent, call_order", 1145 OPT_CALLBACK_DEFAULT('G', "call-graph", &top, "output_type,min_percent, call_order",
1151 "Display callchains using output_type (graph, flat, fractal, or none), min percent threshold and callchain order. " 1146 "Display callchains using output_type (graph, flat, fractal, or none), min percent threshold and callchain order. "
1152 "Default: fractal,0.5,callee", &parse_callchain_opt, 1147 "Default: fractal,0.5,callee", &parse_callchain_opt,
1153 callchain_default_opt), 1148 callchain_default_opt),
@@ -1166,12 +1161,7 @@ static const struct option options[] = {
1166 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", 1161 OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style",
1167 "Specify disassembler style (e.g. -M intel for intel syntax)"), 1162 "Specify disassembler style (e.g. -M intel for intel syntax)"),
1168 OPT_END() 1163 OPT_END()
1169}; 1164 };
1170
1171int cmd_top(int argc, const char **argv, const char *prefix __used)
1172{
1173 struct perf_evsel *pos;
1174 int status = -ENOMEM;
1175 1165
1176 top.evlist = perf_evlist__new(NULL, NULL); 1166 top.evlist = perf_evlist__new(NULL, NULL);
1177 if (top.evlist == NULL) 1167 if (top.evlist == NULL)
@@ -1188,9 +1178,9 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
1188 1178
1189 setup_sorting(top_usage, options); 1179 setup_sorting(top_usage, options);
1190 1180
1191 if (use_stdio) 1181 if (top.use_stdio)
1192 use_browser = 0; 1182 use_browser = 0;
1193 else if (use_tui) 1183 else if (top.use_tui)
1194 use_browser = 1; 1184 use_browser = 1;
1195 1185
1196 setup_browser(false); 1186 setup_browser(false);
@@ -1215,38 +1205,31 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
1215 return -ENOMEM; 1205 return -ENOMEM;
1216 } 1206 }
1217 1207
1208 symbol_conf.nr_events = top.evlist->nr_entries;
1209
1218 if (top.delay_secs < 1) 1210 if (top.delay_secs < 1)
1219 top.delay_secs = 1; 1211 top.delay_secs = 1;
1220 1212
1221 /* 1213 /*
1222 * User specified count overrides default frequency. 1214 * User specified count overrides default frequency.
1223 */ 1215 */
1224 if (default_interval) 1216 if (top.default_interval)
1225 top.freq = 0; 1217 top.freq = 0;
1226 else if (top.freq) { 1218 else if (top.freq) {
1227 default_interval = top.freq; 1219 top.default_interval = top.freq;
1228 } else { 1220 } else {
1229 fprintf(stderr, "frequency and count are zero, aborting\n"); 1221 fprintf(stderr, "frequency and count are zero, aborting\n");
1230 exit(EXIT_FAILURE); 1222 exit(EXIT_FAILURE);
1231 } 1223 }
1232 1224
1233 list_for_each_entry(pos, &top.evlist->entries, node) { 1225 list_for_each_entry(pos, &top.evlist->entries, node) {
1234 if (perf_evsel__alloc_fd(pos, top.evlist->cpus->nr,
1235 top.evlist->threads->nr) < 0)
1236 goto out_free_fd;
1237 /* 1226 /*
1238 * Fill in the ones not specifically initialized via -c: 1227 * Fill in the ones not specifically initialized via -c:
1239 */ 1228 */
1240 if (pos->attr.sample_period) 1229 if (!pos->attr.sample_period)
1241 continue; 1230 pos->attr.sample_period = top.default_interval;
1242
1243 pos->attr.sample_period = default_interval;
1244 } 1231 }
1245 1232
1246 if (perf_evlist__alloc_pollfd(top.evlist) < 0 ||
1247 perf_evlist__alloc_mmap(top.evlist) < 0)
1248 goto out_free_fd;
1249
1250 top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node); 1233 top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);
1251 1234
1252 symbol_conf.priv_size = sizeof(struct annotation); 1235 symbol_conf.priv_size = sizeof(struct annotation);
@@ -1263,16 +1246,20 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
1263 * Avoid annotation data structures overhead when symbols aren't on the 1246 * Avoid annotation data structures overhead when symbols aren't on the
1264 * sort list. 1247 * sort list.
1265 */ 1248 */
1266 sort_has_symbols = sort_sym.list.next != NULL; 1249 top.sort_has_symbols = sort_sym.list.next != NULL;
1267 1250
1268 get_term_dimensions(&winsize); 1251 get_term_dimensions(&top.winsize);
1269 if (top.print_entries == 0) { 1252 if (top.print_entries == 0) {
1270 update_print_entries(&winsize); 1253 struct sigaction act = {
1271 signal(SIGWINCH, sig_winch_handler); 1254 .sa_sigaction = perf_top__sig_winch,
1255 .sa_flags = SA_SIGINFO,
1256 };
1257 perf_top__update_print_entries(&top);
1258 sigaction(SIGWINCH, &act, NULL);
1272 } 1259 }
1273 1260
1274 status = __cmd_top(); 1261 status = __cmd_top(&top);
1275out_free_fd: 1262
1276 perf_evlist__delete(top.evlist); 1263 perf_evlist__delete(top.evlist);
1277 1264
1278 return status; 1265 return status;
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-01 03:16:26 -0400