84 static void perf_top__update_print_entries(struct perf_top *top)  in perf_top__update_print_entries()  argument
86 	top->print_entries = top->winsize.ws_row - HEADER_LINE_NR;  in perf_top__update_print_entries()
94 static void perf_top__resize(struct perf_top *top)  in perf_top__resize()  argument
96 	get_term_dimensions(&top->winsize);  in perf_top__resize()
97 	perf_top__update_print_entries(top);  in perf_top__resize()
100 static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he)  in perf_top__parse_source()  argument
128 	if (!symbol__hists(sym, top->evlist->nr_entries)) {  in perf_top__parse_source()
136 	err = symbol__annotate(sym, map, evsel, 0, &top->annotation_opts, NULL);  in perf_top__parse_source()
138 		top->sym_filter_entry = he;  in perf_top__parse_source()
182 static void perf_top__record_precise_ip(struct perf_top *top,  in perf_top__record_precise_ip()  argument
192 			    (top->sym_filter_entry == NULL ||  in perf_top__record_precise_ip()
193 			     top->sym_filter_entry->ms.sym != sym)))  in perf_top__record_precise_ip()
224 static void perf_top__show_details(struct perf_top *top)  in perf_top__show_details()  argument
226 	struct hist_entry *he = top->sym_filter_entry;  in perf_top__show_details()
245 	printf("Showing %s for %s\n", perf_evsel__name(top->sym_evsel), symbol->name);  in perf_top__show_details()
246 	printf("  Events  Pcnt (>=%d%%)\n", top->annotation_opts.min_pcnt);  in perf_top__show_details()
248 	more = symbol__annotate_printf(symbol, he->ms.map, top->sym_evsel, &top->annotation_opts);  in perf_top__show_details()
250 	if (top->evlist->enabled) {  in perf_top__show_details()
251 		if (top->zero)  in perf_top__show_details()
252 			symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx);  in perf_top__show_details()
254 			symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx);  in perf_top__show_details()
262 static void perf_top__print_sym_table(struct perf_top *top)  in perf_top__print_sym_table()  argument
266 	const int win_width = top->winsize.ws_col - 1;  in perf_top__print_sym_table()
267 	struct perf_evsel *evsel = top->sym_evsel;  in perf_top__print_sym_table()
272 	perf_top__header_snprintf(top, bf, sizeof(bf));  in perf_top__print_sym_table()
275 	perf_top__reset_sample_counters(top);  in perf_top__print_sym_table()
279 	if (!top->record_opts.overwrite &&  in perf_top__print_sym_table()
290 	if (top->sym_filter_entry) {  in perf_top__print_sym_table()
291 		perf_top__show_details(top);  in perf_top__print_sym_table()
295 	if (top->evlist->enabled) {  in perf_top__print_sym_table()
296 		if (top->zero) {  in perf_top__print_sym_table()
299 			hists__decay_entries(hists, top->hide_user_symbols,  in perf_top__print_sym_table()
300 					     top->hide_kernel_symbols);  in perf_top__print_sym_table()
307 	hists__output_recalc_col_len(hists, top->print_entries - printed);  in perf_top__print_sym_table()
309 	hists__fprintf(hists, false, top->print_entries - printed, win_width,  in perf_top__print_sym_table()
310 		       top->min_percent, stdout, !symbol_conf.use_callchain);  in perf_top__print_sym_table()
348 static void perf_top__prompt_symbol(struct perf_top *top, const char *msg)  in perf_top__prompt_symbol()  argument
351 	struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL;  in perf_top__prompt_symbol()
352 	struct hists *hists = evsel__hists(top->sym_evsel);  in perf_top__prompt_symbol()
359 		top->sym_filter_entry = NULL;  in perf_top__prompt_symbol()
384 		perf_top__parse_source(top, found);  in perf_top__prompt_symbol()
390 static void perf_top__print_mapped_keys(struct perf_top *top)  in perf_top__print_mapped_keys()  argument
394 	if (top->sym_filter_entry) {  in perf_top__print_mapped_keys()
395 		struct symbol *sym = top->sym_filter_entry->ms.sym;  in perf_top__print_mapped_keys()
400 	fprintf(stdout, "\t[d]     display refresh delay.             \t(%d)\n", top->delay_secs);  in perf_top__print_mapped_keys()
401 	fprintf(stdout, "\t[e]     display entries (lines).           \t(%d)\n", top->print_entries);  in perf_top__print_mapped_keys()
403 	if (top->evlist->nr_entries > 1)  in perf_top__print_mapped_keys()
404 …fprintf(stdout, "\t[E]     active event counter.              \t(%s)\n", perf_evsel__name(top->sym…  in perf_top__print_mapped_keys()
406 	fprintf(stdout, "\t[f]     profile display filter (count).    \t(%d)\n", top->count_filter);  in perf_top__print_mapped_keys()
408 …fprintf(stdout, "\t[F]     annotate display filter (percent). \t(%d%%)\n", top->annotation_opts.mi…  in perf_top__print_mapped_keys()
414 		top->hide_kernel_symbols ? "yes" : "no");  in perf_top__print_mapped_keys()
417 		top->hide_user_symbols ? "yes" : "no");  in perf_top__print_mapped_keys()
418 	fprintf(stdout, "\t[z]     toggle sample zeroing.             \t(%d)\n", top->zero ? 1 : 0);  in perf_top__print_mapped_keys()
422 static int perf_top__key_mapped(struct perf_top *top, int c)  in perf_top__key_mapped()  argument
438 			return top->evlist->nr_entries > 1 ? 1 : 0;  in perf_top__key_mapped()
446 static bool perf_top__handle_keypress(struct perf_top *top, int c)  in perf_top__handle_keypress()  argument
450 	if (!perf_top__key_mapped(top, c)) {  in perf_top__handle_keypress()
454 		perf_top__print_mapped_keys(top);  in perf_top__handle_keypress()
464 		if (!perf_top__key_mapped(top, c))  in perf_top__handle_keypress()
470 			prompt_integer(&top->delay_secs, "Enter display delay");  in perf_top__handle_keypress()
471 			if (top->delay_secs < 1)  in perf_top__handle_keypress()
472 				top->delay_secs = 1;  in perf_top__handle_keypress()
475 			prompt_integer(&top->print_entries, "Enter display entries (lines)");  in perf_top__handle_keypress()
476 			if (top->print_entries == 0) {  in perf_top__handle_keypress()
477 				perf_top__resize(top);  in perf_top__handle_keypress()
484 			if (top->evlist->nr_entries > 1) {  in perf_top__handle_keypress()
490 				evlist__for_each_entry(top->evlist, top->sym_evsel)  in perf_top__handle_keypress()
491 					fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel));  in perf_top__handle_keypress()
495 				if (counter >= top->evlist->nr_entries) {  in perf_top__handle_keypress()
496 					top->sym_evsel = perf_evlist__first(top->evlist);  in perf_top__handle_keypress()
497 					fprintf(stderr, "Sorry, no such event, using %s.\n", perf_evsel__name(top->sym_evsel));  in perf_top__handle_keypress()
501 				evlist__for_each_entry(top->evlist, top->sym_evsel)  in perf_top__handle_keypress()
502 					if (top->sym_evsel->idx == counter)  in perf_top__handle_keypress()
505 				top->sym_evsel = perf_evlist__first(top->evlist);  in perf_top__handle_keypress()
508 			prompt_integer(&top->count_filter, "Enter display event count filter");  in perf_top__handle_keypress()
511 			prompt_percent(&top->annotation_opts.min_pcnt,  in perf_top__handle_keypress()
515 			top->hide_kernel_symbols = !top->hide_kernel_symbols;  in perf_top__handle_keypress()
520 			if (top->dump_symtab)  in perf_top__handle_keypress()
521 				perf_session__fprintf_dsos(top->session, stderr);  in perf_top__handle_keypress()
525 			perf_top__prompt_symbol(top, "Enter details symbol");  in perf_top__handle_keypress()
528 			if (!top->sym_filter_entry)  in perf_top__handle_keypress()
531 				struct hist_entry *syme = top->sym_filter_entry;  in perf_top__handle_keypress()
533 				top->sym_filter_entry = NULL;  in perf_top__handle_keypress()
538 			top->hide_user_symbols = !top->hide_user_symbols;  in perf_top__handle_keypress()
541 			top->zero = !top->zero;  in perf_top__handle_keypress()
579 	struct perf_top *top = arg;  in display_thread_tui()  local
583 		.arg		= top,  in display_thread_tui()
584 		.refresh	= top->delay_secs,  in display_thread_tui()
594 	perf_top__sort_new_samples(top);  in display_thread_tui()
601 	evlist__for_each_entry(top->evlist, pos) {  in display_thread_tui()
603 		hists->uid_filter_str = top->record_opts.target.uid_str;  in display_thread_tui()
606 	perf_evlist__tui_browse_hists(top->evlist, help, &hbt,  in display_thread_tui()
607 				      top->min_percent,  in display_thread_tui()
608 				      &top->session->header.env,  in display_thread_tui()
609 				      !top->record_opts.overwrite,  in display_thread_tui()
610 				      &top->annotation_opts);  in display_thread_tui()
634 	struct perf_top *top = arg;  in display_thread()  local
647 	delay_msecs = top->delay_secs * MSEC_PER_SEC;  in display_thread()
653 		perf_top__print_sym_table(top);  in display_thread()
669 			if (perf_top__handle_keypress(top, c))  in display_thread()
683 	struct perf_top *top = arg;  in hist_iter__top_callback()  local
688 		perf_top__record_precise_ip(top, he, iter->sample, evsel, al->addr);  in hist_iter__top_callback()
691 		     !(top->record_opts.branch_stack & PERF_SAMPLE_BRANCH_ANY));  in hist_iter__top_callback()
701 	struct perf_top *top = container_of(tool, struct perf_top, tool);  in perf_event__process_sample()  local
721 		       top->session->evlist->stats.nr_unprocessable_samples++);  in perf_event__process_sample()
726 		top->exact_samples++;  in perf_event__process_sample()
734 		if (!perf_evlist__exclude_kernel(top->session->evlist)) {  in perf_event__process_sample()
760 		if (!machine->kptr_restrict_warned && !top->vmlinux_warned &&  in perf_event__process_sample()
774 			top->vmlinux_warned = true;  in perf_event__process_sample()
793 		err = hist_entry_iter__add(&iter, &al, top->max_stack, top);  in perf_event__process_sample()
803 static void perf_top__mmap_read_idx(struct perf_top *top, int idx)  in perf_top__mmap_read_idx()  argument
805 	struct record_opts *opts = &top->record_opts;  in perf_top__mmap_read_idx()
806 	struct perf_evlist *evlist = top->evlist;  in perf_top__mmap_read_idx()
810 	struct perf_session *session = top->session;  in perf_top__mmap_read_idx()
830 			++top->samples;  in perf_top__mmap_read_idx()
834 			++top->us_samples;  in perf_top__mmap_read_idx()
835 			if (top->hide_user_symbols)  in perf_top__mmap_read_idx()
840 			++top->kernel_samples;  in perf_top__mmap_read_idx()
841 			if (top->hide_kernel_symbols)  in perf_top__mmap_read_idx()
846 			++top->guest_kernel_samples;  in perf_top__mmap_read_idx()
851 			++top->guest_us_samples;  in perf_top__mmap_read_idx()
866 			perf_event__process_sample(&top->tool, event, evsel,  in perf_top__mmap_read_idx()
880 static void perf_top__mmap_read(struct perf_top *top)  in perf_top__mmap_read()  argument
882 	bool overwrite = top->record_opts.overwrite;  in perf_top__mmap_read()
883 	struct perf_evlist *evlist = top->evlist;  in perf_top__mmap_read()
891 	for (i = 0; i < top->evlist->nr_mmaps; i++)  in perf_top__mmap_read()
892 		perf_top__mmap_read_idx(top, i);  in perf_top__mmap_read()
900 	if ((end - start) > (unsigned long long)top->delay_secs * NSEC_PER_SEC)  in perf_top__mmap_read()
924 static int perf_top__overwrite_check(struct perf_top *top)  in perf_top__overwrite_check()  argument
926 	struct record_opts *opts = &top->record_opts;  in perf_top__overwrite_check()
927 	struct perf_evlist *evlist = top->evlist;  in perf_top__overwrite_check()
969 static int perf_top_overwrite_fallback(struct perf_top *top,  in perf_top_overwrite_fallback()  argument
972 	struct record_opts *opts = &top->record_opts;  in perf_top_overwrite_fallback()
973 	struct perf_evlist *evlist = top->evlist;  in perf_top_overwrite_fallback()
990 static int perf_top__start_counters(struct perf_top *top)  in perf_top__start_counters()  argument
994 	struct perf_evlist *evlist = top->evlist;  in perf_top__start_counters()
995 	struct record_opts *opts = &top->record_opts;  in perf_top__start_counters()
997 	if (perf_top__overwrite_check(top)) {  in perf_top__start_counters()
1007 		if (perf_evsel__open(counter, top->evlist->cpus,  in perf_top__start_counters()
1008 				     top->evlist->threads) < 0) {  in perf_top__start_counters()
1021 			    perf_top_overwrite_fallback(top, counter))  in perf_top__start_counters()
1066 static int __cmd_top(struct perf_top *top)  in __cmd_top()  argument
1071 	struct perf_evlist *evlist = top->evlist;  in __cmd_top()
1072 	struct record_opts *opts = &top->record_opts;  in __cmd_top()
1076 	top->session = perf_session__new(NULL, false, NULL);  in __cmd_top()
1077 	if (top->session == NULL)  in __cmd_top()
1080 	if (!top->annotation_opts.objdump_path) {  in __cmd_top()
1081 		ret = perf_env__lookup_objdump(&top->session->header.env,  in __cmd_top()
1082 					       &top->annotation_opts.objdump_path);  in __cmd_top()
1091 	if (perf_session__register_idle_thread(top->session) < 0)  in __cmd_top()
1094 	if (top->nr_threads_synthesize > 1)  in __cmd_top()
1097 	machine__synthesize_threads(&top->session->machines.host, &opts->target,  in __cmd_top()
1098 				    top->evlist->threads, false,  in __cmd_top()
1100 				    top->nr_threads_synthesize);  in __cmd_top()
1102 	if (top->nr_threads_synthesize > 1)  in __cmd_top()
1111 	ret = perf_top__start_counters(top);  in __cmd_top()
1123 	top->session->evlist = top->evlist;  in __cmd_top()
1124 	perf_session__set_id_hdr_size(top->session);  in __cmd_top()
1135                 perf_evlist__enable(top->evlist);  in __cmd_top()
1138 	perf_evlist__poll(top->evlist, 100);  in __cmd_top()
1140 	perf_top__mmap_read(top);  in __cmd_top()
1144 							    display_thread), top)) {  in __cmd_top()
1149 	if (top->realtime_prio) {  in __cmd_top()
1152 		param.sched_priority = top->realtime_prio;  in __cmd_top()
1160 		u64 hits = top->samples;  in __cmd_top()
1162 		perf_top__mmap_read(top);  in __cmd_top()
1164 		if (opts->overwrite || (hits == top->samples))  in __cmd_top()
1165 			ret = perf_evlist__poll(top->evlist, 100);  in __cmd_top()
1168 			perf_top__resize(top);  in __cmd_top()
1177 	perf_session__delete(top->session);  in __cmd_top()
1178 	top->session = NULL;  in __cmd_top()
1236 	struct perf_top *top = opt->value;  in parse_percent_limit()  local
1238 	top->min_percent = strtof(arg, NULL);  in parse_percent_limit()
1248 	struct perf_top top = {  in cmd_top()  local
1266 	struct record_opts *opts = &top.record_opts;  in cmd_top()
1269 	OPT_CALLBACK('e', "event", &top.evlist, "event",  in cmd_top()
1285 	OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols,  in cmd_top()
1290 	OPT_INTEGER('r', "realtime", &top.realtime_prio,  in cmd_top()
1292 	OPT_INTEGER('d', "delay", &top.delay_secs,  in cmd_top()
1294 	OPT_BOOLEAN('D', "dump-symtab", &top.dump_symtab,  in cmd_top()
1296 	OPT_INTEGER('f', "count-filter", &top.count_filter,  in cmd_top()
1302 	OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name",  in cmd_top()
1304 	OPT_BOOLEAN('z', "zero", &top.zero, "zero history across updates"),  in cmd_top()
1305 	OPT_CALLBACK('F', "freq", &top.record_opts, "freq or 'max'",  in cmd_top()
1308 	OPT_INTEGER('E', "entries", &top.print_entries,  in cmd_top()
1310 	OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols,  in cmd_top()
1312 	OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"),  in cmd_top()
1313 	OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"),  in cmd_top()
1331 	OPT_INTEGER(0, "max-stack", &top.max_stack,  in cmd_top()
1345 	OPT_BOOLEAN(0, "source", &top.annotation_opts.annotate_src,  in cmd_top()
1347 	OPT_BOOLEAN(0, "asm-raw", &top.annotation_opts.show_asm_raw,  in cmd_top()
1351 	OPT_STRING(0, "objdump", &top.annotation_opts.objdump_path, "path",  in cmd_top()
1353 …OPT_STRING('M', "disassembler-style", &top.annotation_opts.disassembler_style, "disassembler style…  in cmd_top()
1356 	OPT_CALLBACK(0, "percent-limit", &top, "percent",  in cmd_top()
1376 	OPT_UINTEGER(0, "num-thread-synthesize", &top.nr_threads_synthesize,  in cmd_top()
1389 	top.annotation_opts.min_pcnt = 5;  in cmd_top()
1390 	top.annotation_opts.context  = 4;  in cmd_top()
1392 	top.evlist = perf_evlist__new();  in cmd_top()
1393 	if (top.evlist == NULL)  in cmd_top()
1396 	status = perf_config(perf_top_config, &top);  in cmd_top()
1404 	if (!top.evlist->nr_entries &&  in cmd_top()
1405 	    perf_evlist__add_default(top.evlist) < 0) {  in cmd_top()
1427 	if (top.use_stdio)  in cmd_top()
1429 	else if (top.use_tui)  in cmd_top()
1434 	if (setup_sorting(top.evlist) < 0) {  in cmd_top()
1463 	if (perf_evlist__create_maps(top.evlist, target) < 0) {  in cmd_top()
1469 	if (top.delay_secs < 1)  in cmd_top()
1470 		top.delay_secs = 1;  in cmd_top()
1477 	top.sym_evsel = perf_evlist__first(top.evlist);  in cmd_top()
1499 	get_term_dimensions(&top.winsize);  in cmd_top()
1500 	if (top.print_entries == 0) {  in cmd_top()
1501 		perf_top__update_print_entries(&top);  in cmd_top()
1505 	status = __cmd_top(&top);  in cmd_top()
1508 	perf_evlist__delete(top.evlist);  in cmd_top()