xref: /linux/tools/perf/ui/gtk/hists.c (revision 1ac731c529cd4d6adbce134754b51ff7d822b145)
1 // SPDX-License-Identifier: GPL-2.0
2 #include "gtk.h"
3 #include "../evlist.h"
4 #include "../callchain.h"
5 #include "../evsel.h"
6 #include "../sort.h"
7 #include "../hist.h"
8 #include "../helpline.h"
9 #include "../string2.h"
10 #include <signal.h>
11 #include <stdlib.h>
12 #include <linux/string.h>
13 
14 #define MAX_COLUMNS			32
15 
__percent_color_snprintf(struct perf_hpp * hpp,const char * fmt,...)16 static int __percent_color_snprintf(struct perf_hpp *hpp, const char *fmt, ...)
17 {
18 	int ret = 0;
19 	int len;
20 	va_list args;
21 	double percent;
22 	const char *markup;
23 	char *buf = hpp->buf;
24 	size_t size = hpp->size;
25 
26 	va_start(args, fmt);
27 	len = va_arg(args, int);
28 	percent = va_arg(args, double);
29 	va_end(args);
30 
31 	markup = perf_gtk__get_percent_color(percent);
32 	if (markup)
33 		ret += scnprintf(buf, size, markup);
34 
35 	ret += scnprintf(buf + ret, size - ret, fmt, len, percent);
36 
37 	if (markup)
38 		ret += scnprintf(buf + ret, size - ret, "</span>");
39 
40 	return ret;
41 }
42 
43 #define __HPP_COLOR_PERCENT_FN(_type, _field)					\
44 static u64 he_get_##_field(struct hist_entry *he)				\
45 {										\
46 	return he->stat._field;							\
47 }										\
48 										\
49 static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt,		\
50 				       struct perf_hpp *hpp,			\
51 				       struct hist_entry *he)			\
52 {										\
53 	return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",		\
54 			__percent_color_snprintf, true);			\
55 }
56 
57 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)				\
58 static u64 he_get_acc_##_field(struct hist_entry *he)				\
59 {										\
60 	return he->stat_acc->_field;						\
61 }										\
62 										\
63 static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt,		\
64 				       struct perf_hpp *hpp,			\
65 				       struct hist_entry *he)			\
66 {										\
67 	return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", 	\
68 			    __percent_color_snprintf, true);			\
69 }
70 
__HPP_COLOR_PERCENT_FN(overhead,period)71 __HPP_COLOR_PERCENT_FN(overhead, period)
72 __HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
73 __HPP_COLOR_PERCENT_FN(overhead_us, period_us)
74 __HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
75 __HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
76 __HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period)
77 
78 #undef __HPP_COLOR_PERCENT_FN
79 
80 
81 void perf_gtk__init_hpp(void)
82 {
83 	perf_hpp__format[PERF_HPP__OVERHEAD].color =
84 				perf_gtk__hpp_color_overhead;
85 	perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
86 				perf_gtk__hpp_color_overhead_sys;
87 	perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
88 				perf_gtk__hpp_color_overhead_us;
89 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
90 				perf_gtk__hpp_color_overhead_guest_sys;
91 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
92 				perf_gtk__hpp_color_overhead_guest_us;
93 	perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color =
94 				perf_gtk__hpp_color_overhead_acc;
95 }
96 
perf_gtk__add_callchain_flat(struct rb_root * root,GtkTreeStore * store,GtkTreeIter * parent,int col,u64 total)97 static void perf_gtk__add_callchain_flat(struct rb_root *root, GtkTreeStore *store,
98 					 GtkTreeIter *parent, int col, u64 total)
99 {
100 	struct rb_node *nd;
101 	bool has_single_node = (rb_first(root) == rb_last(root));
102 
103 	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
104 		struct callchain_node *node;
105 		struct callchain_list *chain;
106 		GtkTreeIter iter, new_parent;
107 		bool need_new_parent;
108 
109 		node = rb_entry(nd, struct callchain_node, rb_node);
110 
111 		new_parent = *parent;
112 		need_new_parent = !has_single_node;
113 
114 		callchain_node__make_parent_list(node);
115 
116 		list_for_each_entry(chain, &node->parent_val, list) {
117 			char buf[128];
118 
119 			gtk_tree_store_append(store, &iter, &new_parent);
120 
121 			callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
122 			gtk_tree_store_set(store, &iter, 0, buf, -1);
123 
124 			callchain_list__sym_name(chain, buf, sizeof(buf), false);
125 			gtk_tree_store_set(store, &iter, col, buf, -1);
126 
127 			if (need_new_parent) {
128 				/*
129 				 * Only show the top-most symbol in a callchain
130 				 * if it's not the only callchain.
131 				 */
132 				new_parent = iter;
133 				need_new_parent = false;
134 			}
135 		}
136 
137 		list_for_each_entry(chain, &node->val, list) {
138 			char buf[128];
139 
140 			gtk_tree_store_append(store, &iter, &new_parent);
141 
142 			callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
143 			gtk_tree_store_set(store, &iter, 0, buf, -1);
144 
145 			callchain_list__sym_name(chain, buf, sizeof(buf), false);
146 			gtk_tree_store_set(store, &iter, col, buf, -1);
147 
148 			if (need_new_parent) {
149 				/*
150 				 * Only show the top-most symbol in a callchain
151 				 * if it's not the only callchain.
152 				 */
153 				new_parent = iter;
154 				need_new_parent = false;
155 			}
156 		}
157 	}
158 }
159 
perf_gtk__add_callchain_folded(struct rb_root * root,GtkTreeStore * store,GtkTreeIter * parent,int col,u64 total)160 static void perf_gtk__add_callchain_folded(struct rb_root *root, GtkTreeStore *store,
161 					   GtkTreeIter *parent, int col, u64 total)
162 {
163 	struct rb_node *nd;
164 
165 	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
166 		struct callchain_node *node;
167 		struct callchain_list *chain;
168 		GtkTreeIter iter;
169 		char buf[64];
170 		char *str, *str_alloc = NULL;
171 		bool first = true;
172 
173 		node = rb_entry(nd, struct callchain_node, rb_node);
174 
175 		callchain_node__make_parent_list(node);
176 
177 		list_for_each_entry(chain, &node->parent_val, list) {
178 			char name[1024];
179 
180 			callchain_list__sym_name(chain, name, sizeof(name), false);
181 
182 			if (asprintf(&str, "%s%s%s",
183 				     first ? "" : str_alloc,
184 				     first ? "" : symbol_conf.field_sep ?: "; ",
185 				     name) < 0)
186 				return;
187 
188 			first = false;
189 			free(str_alloc);
190 			str_alloc = str;
191 		}
192 
193 		list_for_each_entry(chain, &node->val, list) {
194 			char name[1024];
195 
196 			callchain_list__sym_name(chain, name, sizeof(name), false);
197 
198 			if (asprintf(&str, "%s%s%s",
199 				     first ? "" : str_alloc,
200 				     first ? "" : symbol_conf.field_sep ?: "; ",
201 				     name) < 0)
202 				return;
203 
204 			first = false;
205 			free(str_alloc);
206 			str_alloc = str;
207 		}
208 
209 		gtk_tree_store_append(store, &iter, parent);
210 
211 		callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
212 		gtk_tree_store_set(store, &iter, 0, buf, -1);
213 
214 		gtk_tree_store_set(store, &iter, col, str, -1);
215 
216 		free(str_alloc);
217 	}
218 }
219 
perf_gtk__add_callchain_graph(struct rb_root * root,GtkTreeStore * store,GtkTreeIter * parent,int col,u64 total)220 static void perf_gtk__add_callchain_graph(struct rb_root *root, GtkTreeStore *store,
221 					  GtkTreeIter *parent, int col, u64 total)
222 {
223 	struct rb_node *nd;
224 	bool has_single_node = (rb_first(root) == rb_last(root));
225 
226 	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
227 		struct callchain_node *node;
228 		struct callchain_list *chain;
229 		GtkTreeIter iter, new_parent;
230 		bool need_new_parent;
231 		u64 child_total;
232 
233 		node = rb_entry(nd, struct callchain_node, rb_node);
234 
235 		new_parent = *parent;
236 		need_new_parent = !has_single_node && (node->val_nr > 1);
237 
238 		list_for_each_entry(chain, &node->val, list) {
239 			char buf[128];
240 
241 			gtk_tree_store_append(store, &iter, &new_parent);
242 
243 			callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
244 			gtk_tree_store_set(store, &iter, 0, buf, -1);
245 
246 			callchain_list__sym_name(chain, buf, sizeof(buf), false);
247 			gtk_tree_store_set(store, &iter, col, buf, -1);
248 
249 			if (need_new_parent) {
250 				/*
251 				 * Only show the top-most symbol in a callchain
252 				 * if it's not the only callchain.
253 				 */
254 				new_parent = iter;
255 				need_new_parent = false;
256 			}
257 		}
258 
259 		if (callchain_param.mode == CHAIN_GRAPH_REL)
260 			child_total = node->children_hit;
261 		else
262 			child_total = total;
263 
264 		/* Now 'iter' contains info of the last callchain_list */
265 		perf_gtk__add_callchain_graph(&node->rb_root, store, &iter, col,
266 					      child_total);
267 	}
268 }
269 
perf_gtk__add_callchain(struct rb_root * root,GtkTreeStore * store,GtkTreeIter * parent,int col,u64 total)270 static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
271 				    GtkTreeIter *parent, int col, u64 total)
272 {
273 	if (callchain_param.mode == CHAIN_FLAT)
274 		perf_gtk__add_callchain_flat(root, store, parent, col, total);
275 	else if (callchain_param.mode == CHAIN_FOLDED)
276 		perf_gtk__add_callchain_folded(root, store, parent, col, total);
277 	else
278 		perf_gtk__add_callchain_graph(root, store, parent, col, total);
279 }
280 
on_row_activated(GtkTreeView * view,GtkTreePath * path,GtkTreeViewColumn * col __maybe_unused,gpointer user_data __maybe_unused)281 static void on_row_activated(GtkTreeView *view, GtkTreePath *path,
282 			     GtkTreeViewColumn *col __maybe_unused,
283 			     gpointer user_data __maybe_unused)
284 {
285 	bool expanded = gtk_tree_view_row_expanded(view, path);
286 
287 	if (expanded)
288 		gtk_tree_view_collapse_row(view, path);
289 	else
290 		gtk_tree_view_expand_row(view, path, FALSE);
291 }
292 
perf_gtk__show_hists(GtkWidget * window,struct hists * hists,float min_pcnt)293 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
294 				 float min_pcnt)
295 {
296 	struct perf_hpp_fmt *fmt;
297 	GType col_types[MAX_COLUMNS];
298 	GtkCellRenderer *renderer;
299 	GtkTreeStore *store;
300 	struct rb_node *nd;
301 	GtkWidget *view;
302 	int col_idx;
303 	int sym_col = -1;
304 	int nr_cols;
305 	char s[512];
306 
307 	struct perf_hpp hpp = {
308 		.buf		= s,
309 		.size		= sizeof(s),
310 	};
311 
312 	nr_cols = 0;
313 
314 	hists__for_each_format(hists, fmt)
315 		col_types[nr_cols++] = G_TYPE_STRING;
316 
317 	store = gtk_tree_store_newv(nr_cols, col_types);
318 
319 	view = gtk_tree_view_new();
320 
321 	renderer = gtk_cell_renderer_text_new();
322 
323 	col_idx = 0;
324 
325 	hists__for_each_format(hists, fmt) {
326 		if (perf_hpp__should_skip(fmt, hists))
327 			continue;
328 
329 		/*
330 		 * XXX no way to determine where symcol column is..
331 		 *     Just use last column for now.
332 		 */
333 		if (perf_hpp__is_sort_entry(fmt))
334 			sym_col = col_idx;
335 
336 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
337 							    -1, fmt->name,
338 							    renderer, "markup",
339 							    col_idx++, NULL);
340 	}
341 
342 	for (col_idx = 0; col_idx < nr_cols; col_idx++) {
343 		GtkTreeViewColumn *column;
344 
345 		column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
346 		gtk_tree_view_column_set_resizable(column, TRUE);
347 
348 		if (col_idx == sym_col) {
349 			gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
350 							  column);
351 		}
352 	}
353 
354 	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
355 
356 	g_object_unref(GTK_TREE_MODEL(store));
357 
358 	for (nd = rb_first_cached(&hists->entries); nd; nd = rb_next(nd)) {
359 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
360 		GtkTreeIter iter;
361 		u64 total = hists__total_period(h->hists);
362 		float percent;
363 
364 		if (h->filtered)
365 			continue;
366 
367 		percent = hist_entry__get_percent_limit(h);
368 		if (percent < min_pcnt)
369 			continue;
370 
371 		gtk_tree_store_append(store, &iter, NULL);
372 
373 		col_idx = 0;
374 
375 		hists__for_each_format(hists, fmt) {
376 			if (perf_hpp__should_skip(fmt, h->hists))
377 				continue;
378 
379 			if (fmt->color)
380 				fmt->color(fmt, &hpp, h);
381 			else
382 				fmt->entry(fmt, &hpp, h);
383 
384 			gtk_tree_store_set(store, &iter, col_idx++, s, -1);
385 		}
386 
387 		if (hist_entry__has_callchains(h) &&
388 		    symbol_conf.use_callchain && hists__has(hists, sym)) {
389 			if (callchain_param.mode == CHAIN_GRAPH_REL)
390 				total = symbol_conf.cumulate_callchain ?
391 					h->stat_acc->period : h->stat.period;
392 
393 			perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
394 						sym_col, total);
395 		}
396 	}
397 
398 	gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
399 
400 	g_signal_connect(view, "row-activated",
401 			 G_CALLBACK(on_row_activated), NULL);
402 	gtk_container_add(GTK_CONTAINER(window), view);
403 }
404 
perf_gtk__add_hierarchy_entries(struct hists * hists,struct rb_root_cached * root,GtkTreeStore * store,GtkTreeIter * parent,struct perf_hpp * hpp,float min_pcnt)405 static void perf_gtk__add_hierarchy_entries(struct hists *hists,
406 					    struct rb_root_cached *root,
407 					    GtkTreeStore *store,
408 					    GtkTreeIter *parent,
409 					    struct perf_hpp *hpp,
410 					    float min_pcnt)
411 {
412 	int col_idx = 0;
413 	struct rb_node *node;
414 	struct hist_entry *he;
415 	struct perf_hpp_fmt *fmt;
416 	struct perf_hpp_list_node *fmt_node;
417 	u64 total = hists__total_period(hists);
418 	int size;
419 
420 	for (node = rb_first_cached(root); node; node = rb_next(node)) {
421 		GtkTreeIter iter;
422 		float percent;
423 		char *bf;
424 
425 		he = rb_entry(node, struct hist_entry, rb_node);
426 		if (he->filtered)
427 			continue;
428 
429 		percent = hist_entry__get_percent_limit(he);
430 		if (percent < min_pcnt)
431 			continue;
432 
433 		gtk_tree_store_append(store, &iter, parent);
434 
435 		col_idx = 0;
436 
437 		/* the first hpp_list_node is for overhead columns */
438 		fmt_node = list_first_entry(&hists->hpp_formats,
439 					    struct perf_hpp_list_node, list);
440 		perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
441 			if (fmt->color)
442 				fmt->color(fmt, hpp, he);
443 			else
444 				fmt->entry(fmt, hpp, he);
445 
446 			gtk_tree_store_set(store, &iter, col_idx++, hpp->buf, -1);
447 		}
448 
449 		bf = hpp->buf;
450 		size = hpp->size;
451 		perf_hpp_list__for_each_format(he->hpp_list, fmt) {
452 			int ret;
453 
454 			if (fmt->color)
455 				ret = fmt->color(fmt, hpp, he);
456 			else
457 				ret = fmt->entry(fmt, hpp, he);
458 
459 			snprintf(hpp->buf + ret, hpp->size - ret, "  ");
460 			advance_hpp(hpp, ret + 2);
461 		}
462 
463 		gtk_tree_store_set(store, &iter, col_idx, strim(bf), -1);
464 
465 		if (!he->leaf) {
466 			hpp->buf = bf;
467 			hpp->size = size;
468 
469 			perf_gtk__add_hierarchy_entries(hists, &he->hroot_out,
470 							store, &iter, hpp,
471 							min_pcnt);
472 
473 			if (!hist_entry__has_hierarchy_children(he, min_pcnt)) {
474 				char buf[32];
475 				GtkTreeIter child;
476 
477 				snprintf(buf, sizeof(buf), "no entry >= %.2f%%",
478 					 min_pcnt);
479 
480 				gtk_tree_store_append(store, &child, &iter);
481 				gtk_tree_store_set(store, &child, col_idx, buf, -1);
482 			}
483 		}
484 
485 		if (he->leaf && hist_entry__has_callchains(he) && symbol_conf.use_callchain) {
486 			if (callchain_param.mode == CHAIN_GRAPH_REL)
487 				total = symbol_conf.cumulate_callchain ?
488 					he->stat_acc->period : he->stat.period;
489 
490 			perf_gtk__add_callchain(&he->sorted_chain, store, &iter,
491 						col_idx, total);
492 		}
493 	}
494 
495 }
496 
perf_gtk__show_hierarchy(GtkWidget * window,struct hists * hists,float min_pcnt)497 static void perf_gtk__show_hierarchy(GtkWidget *window, struct hists *hists,
498 				     float min_pcnt)
499 {
500 	struct perf_hpp_fmt *fmt;
501 	struct perf_hpp_list_node *fmt_node;
502 	GType col_types[MAX_COLUMNS];
503 	GtkCellRenderer *renderer;
504 	GtkTreeStore *store;
505 	GtkWidget *view;
506 	int col_idx;
507 	int nr_cols = 0;
508 	char s[512];
509 	char buf[512];
510 	bool first_node, first_col;
511 	struct perf_hpp hpp = {
512 		.buf		= s,
513 		.size		= sizeof(s),
514 	};
515 
516 	hists__for_each_format(hists, fmt) {
517 		if (perf_hpp__is_sort_entry(fmt) ||
518 		    perf_hpp__is_dynamic_entry(fmt))
519 			break;
520 
521 		col_types[nr_cols++] = G_TYPE_STRING;
522 	}
523 	col_types[nr_cols++] = G_TYPE_STRING;
524 
525 	store = gtk_tree_store_newv(nr_cols, col_types);
526 	view = gtk_tree_view_new();
527 	renderer = gtk_cell_renderer_text_new();
528 
529 	col_idx = 0;
530 
531 	/* the first hpp_list_node is for overhead columns */
532 	fmt_node = list_first_entry(&hists->hpp_formats,
533 				    struct perf_hpp_list_node, list);
534 	perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
535 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
536 							    -1, fmt->name,
537 							    renderer, "markup",
538 							    col_idx++, NULL);
539 	}
540 
541 	/* construct merged column header since sort keys share single column */
542 	buf[0] = '\0';
543 	first_node = true;
544 	list_for_each_entry_continue(fmt_node, &hists->hpp_formats, list) {
545 		if (!first_node)
546 			strcat(buf, " / ");
547 		first_node = false;
548 
549 		first_col = true;
550 		perf_hpp_list__for_each_format(&fmt_node->hpp ,fmt) {
551 			if (perf_hpp__should_skip(fmt, hists))
552 				continue;
553 
554 			if (!first_col)
555 				strcat(buf, "+");
556 			first_col = false;
557 
558 			fmt->header(fmt, &hpp, hists, 0, NULL);
559 			strcat(buf, strim(hpp.buf));
560 		}
561 	}
562 
563 	gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
564 						    -1, buf,
565 						    renderer, "markup",
566 						    col_idx++, NULL);
567 
568 	for (col_idx = 0; col_idx < nr_cols; col_idx++) {
569 		GtkTreeViewColumn *column;
570 
571 		column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
572 		gtk_tree_view_column_set_resizable(column, TRUE);
573 
574 		if (col_idx == 0) {
575 			gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
576 							  column);
577 		}
578 	}
579 
580 	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
581 	g_object_unref(GTK_TREE_MODEL(store));
582 
583 	perf_gtk__add_hierarchy_entries(hists, &hists->entries, store,
584 					NULL, &hpp, min_pcnt);
585 
586 	gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
587 
588 	g_signal_connect(view, "row-activated",
589 			 G_CALLBACK(on_row_activated), NULL);
590 	gtk_container_add(GTK_CONTAINER(window), view);
591 }
592 
evlist__gtk_browse_hists(struct evlist * evlist,const char * help,struct hist_browser_timer * hbt __maybe_unused,float min_pcnt)593 int evlist__gtk_browse_hists(struct evlist *evlist, const char *help,
594 			     struct hist_browser_timer *hbt __maybe_unused, float min_pcnt)
595 {
596 	struct evsel *pos;
597 	GtkWidget *vbox;
598 	GtkWidget *notebook;
599 	GtkWidget *info_bar;
600 	GtkWidget *statbar;
601 	GtkWidget *window;
602 
603 	signal(SIGSEGV, perf_gtk__signal);
604 	signal(SIGFPE,  perf_gtk__signal);
605 	signal(SIGINT,  perf_gtk__signal);
606 	signal(SIGQUIT, perf_gtk__signal);
607 	signal(SIGTERM, perf_gtk__signal);
608 
609 	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
610 
611 	gtk_window_set_title(GTK_WINDOW(window), "perf report");
612 
613 	g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
614 
615 	pgctx = perf_gtk__activate_context(window);
616 	if (!pgctx)
617 		return -1;
618 
619 	vbox = gtk_vbox_new(FALSE, 0);
620 
621 	notebook = gtk_notebook_new();
622 
623 	gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
624 
625 	info_bar = perf_gtk__setup_info_bar();
626 	if (info_bar)
627 		gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);
628 
629 	statbar = perf_gtk__setup_statusbar();
630 	gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
631 
632 	gtk_container_add(GTK_CONTAINER(window), vbox);
633 
634 	evlist__for_each_entry(evlist, pos) {
635 		struct hists *hists = evsel__hists(pos);
636 		const char *evname = evsel__name(pos);
637 		GtkWidget *scrolled_window;
638 		GtkWidget *tab_label;
639 		char buf[512];
640 		size_t size = sizeof(buf);
641 
642 		if (symbol_conf.event_group) {
643 			if (!evsel__is_group_leader(pos))
644 				continue;
645 
646 			if (pos->core.nr_members > 1) {
647 				evsel__group_desc(pos, buf, size);
648 				evname = buf;
649 			}
650 		}
651 
652 		scrolled_window = gtk_scrolled_window_new(NULL, NULL);
653 
654 		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
655 							GTK_POLICY_AUTOMATIC,
656 							GTK_POLICY_AUTOMATIC);
657 
658 		if (symbol_conf.report_hierarchy)
659 			perf_gtk__show_hierarchy(scrolled_window, hists, min_pcnt);
660 		else
661 			perf_gtk__show_hists(scrolled_window, hists, min_pcnt);
662 
663 		tab_label = gtk_label_new(evname);
664 
665 		gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
666 	}
667 
668 	gtk_widget_show_all(window);
669 
670 	perf_gtk__resize_window(window);
671 
672 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
673 
674 	ui_helpline__push(help);
675 
676 	gtk_main();
677 
678 	perf_gtk__deactivate_context(&pgctx);
679 
680 	return 0;
681 }
682