xref: /linux/tools/perf/ui/gtk/hists.c (revision c0c914eca7f251c70facc37dfebeaf176601918d)
1 #include "../evlist.h"
2 #include "../cache.h"
3 #include "../evsel.h"
4 #include "../sort.h"
5 #include "../hist.h"
6 #include "../helpline.h"
7 #include "gtk.h"
8 
9 #define MAX_COLUMNS			32
10 
11 static int __percent_color_snprintf(struct perf_hpp *hpp, const char *fmt, ...)
12 {
13 	int ret = 0;
14 	int len;
15 	va_list args;
16 	double percent;
17 	const char *markup;
18 	char *buf = hpp->buf;
19 	size_t size = hpp->size;
20 
21 	va_start(args, fmt);
22 	len = va_arg(args, int);
23 	percent = va_arg(args, double);
24 	va_end(args);
25 
26 	markup = perf_gtk__get_percent_color(percent);
27 	if (markup)
28 		ret += scnprintf(buf, size, markup);
29 
30 	ret += scnprintf(buf + ret, size - ret, fmt, len, percent);
31 
32 	if (markup)
33 		ret += scnprintf(buf + ret, size - ret, "</span>");
34 
35 	return ret;
36 }
37 
38 #define __HPP_COLOR_PERCENT_FN(_type, _field)					\
39 static u64 he_get_##_field(struct hist_entry *he)				\
40 {										\
41 	return he->stat._field;							\
42 }										\
43 										\
44 static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt,		\
45 				       struct perf_hpp *hpp,			\
46 				       struct hist_entry *he)			\
47 {										\
48 	return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",		\
49 			__percent_color_snprintf, true);			\
50 }
51 
52 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)				\
53 static u64 he_get_acc_##_field(struct hist_entry *he)				\
54 {										\
55 	return he->stat_acc->_field;						\
56 }										\
57 										\
58 static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,	\
59 				       struct perf_hpp *hpp,			\
60 				       struct hist_entry *he)			\
61 {										\
62 	return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", 	\
63 			    __percent_color_snprintf, true);			\
64 }
65 
66 __HPP_COLOR_PERCENT_FN(overhead, period)
67 __HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
68 __HPP_COLOR_PERCENT_FN(overhead_us, period_us)
69 __HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
70 __HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
71 __HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period)
72 
73 #undef __HPP_COLOR_PERCENT_FN
74 
75 
76 void perf_gtk__init_hpp(void)
77 {
78 	perf_hpp__format[PERF_HPP__OVERHEAD].color =
79 				perf_gtk__hpp_color_overhead;
80 	perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
81 				perf_gtk__hpp_color_overhead_sys;
82 	perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
83 				perf_gtk__hpp_color_overhead_us;
84 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
85 				perf_gtk__hpp_color_overhead_guest_sys;
86 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
87 				perf_gtk__hpp_color_overhead_guest_us;
88 	perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color =
89 				perf_gtk__hpp_color_overhead_acc;
90 }
91 
92 static void perf_gtk__add_callchain_flat(struct rb_root *root, GtkTreeStore *store,
93 					 GtkTreeIter *parent, int col, u64 total)
94 {
95 	struct rb_node *nd;
96 	bool has_single_node = (rb_first(root) == rb_last(root));
97 
98 	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
99 		struct callchain_node *node;
100 		struct callchain_list *chain;
101 		GtkTreeIter iter, new_parent;
102 		bool need_new_parent;
103 
104 		node = rb_entry(nd, struct callchain_node, rb_node);
105 
106 		new_parent = *parent;
107 		need_new_parent = !has_single_node;
108 
109 		callchain_node__make_parent_list(node);
110 
111 		list_for_each_entry(chain, &node->parent_val, list) {
112 			char buf[128];
113 
114 			gtk_tree_store_append(store, &iter, &new_parent);
115 
116 			callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
117 			gtk_tree_store_set(store, &iter, 0, buf, -1);
118 
119 			callchain_list__sym_name(chain, buf, sizeof(buf), false);
120 			gtk_tree_store_set(store, &iter, col, buf, -1);
121 
122 			if (need_new_parent) {
123 				/*
124 				 * Only show the top-most symbol in a callchain
125 				 * if it's not the only callchain.
126 				 */
127 				new_parent = iter;
128 				need_new_parent = false;
129 			}
130 		}
131 
132 		list_for_each_entry(chain, &node->val, list) {
133 			char buf[128];
134 
135 			gtk_tree_store_append(store, &iter, &new_parent);
136 
137 			callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
138 			gtk_tree_store_set(store, &iter, 0, buf, -1);
139 
140 			callchain_list__sym_name(chain, buf, sizeof(buf), false);
141 			gtk_tree_store_set(store, &iter, col, buf, -1);
142 
143 			if (need_new_parent) {
144 				/*
145 				 * Only show the top-most symbol in a callchain
146 				 * if it's not the only callchain.
147 				 */
148 				new_parent = iter;
149 				need_new_parent = false;
150 			}
151 		}
152 	}
153 }
154 
155 static void perf_gtk__add_callchain_folded(struct rb_root *root, GtkTreeStore *store,
156 					   GtkTreeIter *parent, int col, u64 total)
157 {
158 	struct rb_node *nd;
159 
160 	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
161 		struct callchain_node *node;
162 		struct callchain_list *chain;
163 		GtkTreeIter iter;
164 		char buf[64];
165 		char *str, *str_alloc = NULL;
166 		bool first = true;
167 
168 		node = rb_entry(nd, struct callchain_node, rb_node);
169 
170 		callchain_node__make_parent_list(node);
171 
172 		list_for_each_entry(chain, &node->parent_val, list) {
173 			char name[1024];
174 
175 			callchain_list__sym_name(chain, name, sizeof(name), false);
176 
177 			if (asprintf(&str, "%s%s%s",
178 				     first ? "" : str_alloc,
179 				     first ? "" : symbol_conf.field_sep ?: "; ",
180 				     name) < 0)
181 				return;
182 
183 			first = false;
184 			free(str_alloc);
185 			str_alloc = str;
186 		}
187 
188 		list_for_each_entry(chain, &node->val, list) {
189 			char name[1024];
190 
191 			callchain_list__sym_name(chain, name, sizeof(name), false);
192 
193 			if (asprintf(&str, "%s%s%s",
194 				     first ? "" : str_alloc,
195 				     first ? "" : symbol_conf.field_sep ?: "; ",
196 				     name) < 0)
197 				return;
198 
199 			first = false;
200 			free(str_alloc);
201 			str_alloc = str;
202 		}
203 
204 		gtk_tree_store_append(store, &iter, parent);
205 
206 		callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
207 		gtk_tree_store_set(store, &iter, 0, buf, -1);
208 
209 		gtk_tree_store_set(store, &iter, col, str, -1);
210 
211 		free(str_alloc);
212 	}
213 }
214 
215 static void perf_gtk__add_callchain_graph(struct rb_root *root, GtkTreeStore *store,
216 					  GtkTreeIter *parent, int col, u64 total)
217 {
218 	struct rb_node *nd;
219 	bool has_single_node = (rb_first(root) == rb_last(root));
220 
221 	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
222 		struct callchain_node *node;
223 		struct callchain_list *chain;
224 		GtkTreeIter iter, new_parent;
225 		bool need_new_parent;
226 		u64 child_total;
227 
228 		node = rb_entry(nd, struct callchain_node, rb_node);
229 
230 		new_parent = *parent;
231 		need_new_parent = !has_single_node && (node->val_nr > 1);
232 
233 		list_for_each_entry(chain, &node->val, list) {
234 			char buf[128];
235 
236 			gtk_tree_store_append(store, &iter, &new_parent);
237 
238 			callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
239 			gtk_tree_store_set(store, &iter, 0, buf, -1);
240 
241 			callchain_list__sym_name(chain, buf, sizeof(buf), false);
242 			gtk_tree_store_set(store, &iter, col, buf, -1);
243 
244 			if (need_new_parent) {
245 				/*
246 				 * Only show the top-most symbol in a callchain
247 				 * if it's not the only callchain.
248 				 */
249 				new_parent = iter;
250 				need_new_parent = false;
251 			}
252 		}
253 
254 		if (callchain_param.mode == CHAIN_GRAPH_REL)
255 			child_total = node->children_hit;
256 		else
257 			child_total = total;
258 
259 		/* Now 'iter' contains info of the last callchain_list */
260 		perf_gtk__add_callchain_graph(&node->rb_root, store, &iter, col,
261 					      child_total);
262 	}
263 }
264 
265 static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
266 				    GtkTreeIter *parent, int col, u64 total)
267 {
268 	if (callchain_param.mode == CHAIN_FLAT)
269 		perf_gtk__add_callchain_flat(root, store, parent, col, total);
270 	else if (callchain_param.mode == CHAIN_FOLDED)
271 		perf_gtk__add_callchain_folded(root, store, parent, col, total);
272 	else
273 		perf_gtk__add_callchain_graph(root, store, parent, col, total);
274 }
275 
276 static void on_row_activated(GtkTreeView *view, GtkTreePath *path,
277 			     GtkTreeViewColumn *col __maybe_unused,
278 			     gpointer user_data __maybe_unused)
279 {
280 	bool expanded = gtk_tree_view_row_expanded(view, path);
281 
282 	if (expanded)
283 		gtk_tree_view_collapse_row(view, path);
284 	else
285 		gtk_tree_view_expand_row(view, path, FALSE);
286 }
287 
288 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
289 				 float min_pcnt)
290 {
291 	struct perf_hpp_fmt *fmt;
292 	GType col_types[MAX_COLUMNS];
293 	GtkCellRenderer *renderer;
294 	GtkTreeStore *store;
295 	struct rb_node *nd;
296 	GtkWidget *view;
297 	int col_idx;
298 	int sym_col = -1;
299 	int nr_cols;
300 	char s[512];
301 
302 	struct perf_hpp hpp = {
303 		.buf		= s,
304 		.size		= sizeof(s),
305 	};
306 
307 	nr_cols = 0;
308 
309 	perf_hpp__for_each_format(fmt)
310 		col_types[nr_cols++] = G_TYPE_STRING;
311 
312 	store = gtk_tree_store_newv(nr_cols, col_types);
313 
314 	view = gtk_tree_view_new();
315 
316 	renderer = gtk_cell_renderer_text_new();
317 
318 	col_idx = 0;
319 
320 	perf_hpp__for_each_format(fmt) {
321 		if (perf_hpp__should_skip(fmt, hists))
322 			continue;
323 
324 		/*
325 		 * XXX no way to determine where symcol column is..
326 		 *     Just use last column for now.
327 		 */
328 		if (perf_hpp__is_sort_entry(fmt))
329 			sym_col = col_idx;
330 
331 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
332 							    -1, fmt->name,
333 							    renderer, "markup",
334 							    col_idx++, NULL);
335 	}
336 
337 	for (col_idx = 0; col_idx < nr_cols; col_idx++) {
338 		GtkTreeViewColumn *column;
339 
340 		column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
341 		gtk_tree_view_column_set_resizable(column, TRUE);
342 
343 		if (col_idx == sym_col) {
344 			gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
345 							  column);
346 		}
347 	}
348 
349 	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
350 
351 	g_object_unref(GTK_TREE_MODEL(store));
352 
353 	for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
354 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
355 		GtkTreeIter iter;
356 		u64 total = hists__total_period(h->hists);
357 		float percent;
358 
359 		if (h->filtered)
360 			continue;
361 
362 		percent = hist_entry__get_percent_limit(h);
363 		if (percent < min_pcnt)
364 			continue;
365 
366 		gtk_tree_store_append(store, &iter, NULL);
367 
368 		col_idx = 0;
369 
370 		perf_hpp__for_each_format(fmt) {
371 			if (perf_hpp__should_skip(fmt, h->hists))
372 				continue;
373 
374 			if (fmt->color)
375 				fmt->color(fmt, &hpp, h);
376 			else
377 				fmt->entry(fmt, &hpp, h);
378 
379 			gtk_tree_store_set(store, &iter, col_idx++, s, -1);
380 		}
381 
382 		if (symbol_conf.use_callchain && sort__has_sym) {
383 			if (callchain_param.mode == CHAIN_GRAPH_REL)
384 				total = symbol_conf.cumulate_callchain ?
385 					h->stat_acc->period : h->stat.period;
386 
387 			perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
388 						sym_col, total);
389 		}
390 	}
391 
392 	gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
393 
394 	g_signal_connect(view, "row-activated",
395 			 G_CALLBACK(on_row_activated), NULL);
396 	gtk_container_add(GTK_CONTAINER(window), view);
397 }
398 
399 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
400 				  const char *help,
401 				  struct hist_browser_timer *hbt __maybe_unused,
402 				  float min_pcnt)
403 {
404 	struct perf_evsel *pos;
405 	GtkWidget *vbox;
406 	GtkWidget *notebook;
407 	GtkWidget *info_bar;
408 	GtkWidget *statbar;
409 	GtkWidget *window;
410 
411 	signal(SIGSEGV, perf_gtk__signal);
412 	signal(SIGFPE,  perf_gtk__signal);
413 	signal(SIGINT,  perf_gtk__signal);
414 	signal(SIGQUIT, perf_gtk__signal);
415 	signal(SIGTERM, perf_gtk__signal);
416 
417 	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
418 
419 	gtk_window_set_title(GTK_WINDOW(window), "perf report");
420 
421 	g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
422 
423 	pgctx = perf_gtk__activate_context(window);
424 	if (!pgctx)
425 		return -1;
426 
427 	vbox = gtk_vbox_new(FALSE, 0);
428 
429 	notebook = gtk_notebook_new();
430 
431 	gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
432 
433 	info_bar = perf_gtk__setup_info_bar();
434 	if (info_bar)
435 		gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);
436 
437 	statbar = perf_gtk__setup_statusbar();
438 	gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
439 
440 	gtk_container_add(GTK_CONTAINER(window), vbox);
441 
442 	evlist__for_each(evlist, pos) {
443 		struct hists *hists = evsel__hists(pos);
444 		const char *evname = perf_evsel__name(pos);
445 		GtkWidget *scrolled_window;
446 		GtkWidget *tab_label;
447 		char buf[512];
448 		size_t size = sizeof(buf);
449 
450 		if (symbol_conf.event_group) {
451 			if (!perf_evsel__is_group_leader(pos))
452 				continue;
453 
454 			if (pos->nr_members > 1) {
455 				perf_evsel__group_desc(pos, buf, size);
456 				evname = buf;
457 			}
458 		}
459 
460 		scrolled_window = gtk_scrolled_window_new(NULL, NULL);
461 
462 		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
463 							GTK_POLICY_AUTOMATIC,
464 							GTK_POLICY_AUTOMATIC);
465 
466 		perf_gtk__show_hists(scrolled_window, hists, min_pcnt);
467 
468 		tab_label = gtk_label_new(evname);
469 
470 		gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
471 	}
472 
473 	gtk_widget_show_all(window);
474 
475 	perf_gtk__resize_window(window);
476 
477 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
478 
479 	ui_helpline__push(help);
480 
481 	gtk_main();
482 
483 	perf_gtk__deactivate_context(&pgctx);
484 
485 	return 0;
486 }
487