xref: /openbmc/linux/tools/perf/ui/gtk/hists.c (revision cd5d5810)
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(char *buf, size_t size, double percent)
12 {
13 	int ret = 0;
14 	const char *markup;
15 
16 	markup = perf_gtk__get_percent_color(percent);
17 	if (markup)
18 		ret += scnprintf(buf, size, markup);
19 
20 	ret += scnprintf(buf + ret, size - ret, " %6.2f%%", percent);
21 
22 	if (markup)
23 		ret += scnprintf(buf + ret, size - ret, "</span>");
24 
25 	return ret;
26 }
27 
28 
29 static int __hpp__color_fmt(struct perf_hpp *hpp, struct hist_entry *he,
30 			    u64 (*get_field)(struct hist_entry *))
31 {
32 	int ret;
33 	double percent = 0.0;
34 	struct hists *hists = he->hists;
35 	struct perf_evsel *evsel = hists_to_evsel(hists);
36 
37 	if (hists->stats.total_period)
38 		percent = 100.0 * get_field(he) / hists->stats.total_period;
39 
40 	ret = __percent_color_snprintf(hpp->buf, hpp->size, percent);
41 
42 	if (perf_evsel__is_group_event(evsel)) {
43 		int prev_idx, idx_delta;
44 		struct hist_entry *pair;
45 		int nr_members = evsel->nr_members;
46 
47 		prev_idx = perf_evsel__group_idx(evsel);
48 
49 		list_for_each_entry(pair, &he->pairs.head, pairs.node) {
50 			u64 period = get_field(pair);
51 			u64 total = pair->hists->stats.total_period;
52 
53 			evsel = hists_to_evsel(pair->hists);
54 			idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
55 
56 			while (idx_delta--) {
57 				/*
58 				 * zero-fill group members in the middle which
59 				 * have no sample
60 				 */
61 				ret += __percent_color_snprintf(hpp->buf + ret,
62 								hpp->size - ret,
63 								0.0);
64 			}
65 
66 			percent = 100.0 * period / total;
67 			ret += __percent_color_snprintf(hpp->buf + ret,
68 							hpp->size - ret,
69 							percent);
70 
71 			prev_idx = perf_evsel__group_idx(evsel);
72 		}
73 
74 		idx_delta = nr_members - prev_idx - 1;
75 
76 		while (idx_delta--) {
77 			/*
78 			 * zero-fill group members at last which have no sample
79 			 */
80 			ret += __percent_color_snprintf(hpp->buf + ret,
81 							hpp->size - ret,
82 							0.0);
83 		}
84 	}
85 	return ret;
86 }
87 
88 #define __HPP_COLOR_PERCENT_FN(_type, _field)					\
89 static u64 he_get_##_field(struct hist_entry *he)				\
90 {										\
91 	return he->stat._field;							\
92 }										\
93 										\
94 static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,	\
95 				       struct perf_hpp *hpp,			\
96 				       struct hist_entry *he)			\
97 {										\
98 	return __hpp__color_fmt(hpp, he, he_get_##_field);			\
99 }
100 
101 __HPP_COLOR_PERCENT_FN(overhead, period)
102 __HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
103 __HPP_COLOR_PERCENT_FN(overhead_us, period_us)
104 __HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
105 __HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
106 
107 #undef __HPP_COLOR_PERCENT_FN
108 
109 
110 void perf_gtk__init_hpp(void)
111 {
112 	perf_hpp__init();
113 
114 	perf_hpp__format[PERF_HPP__OVERHEAD].color =
115 				perf_gtk__hpp_color_overhead;
116 	perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
117 				perf_gtk__hpp_color_overhead_sys;
118 	perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
119 				perf_gtk__hpp_color_overhead_us;
120 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
121 				perf_gtk__hpp_color_overhead_guest_sys;
122 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
123 				perf_gtk__hpp_color_overhead_guest_us;
124 }
125 
126 static void callchain_list__sym_name(struct callchain_list *cl,
127 				     char *bf, size_t bfsize)
128 {
129 	if (cl->ms.sym)
130 		scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
131 	else
132 		scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
133 }
134 
135 static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
136 				    GtkTreeIter *parent, int col, u64 total)
137 {
138 	struct rb_node *nd;
139 	bool has_single_node = (rb_first(root) == rb_last(root));
140 
141 	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
142 		struct callchain_node *node;
143 		struct callchain_list *chain;
144 		GtkTreeIter iter, new_parent;
145 		bool need_new_parent;
146 		double percent;
147 		u64 hits, child_total;
148 
149 		node = rb_entry(nd, struct callchain_node, rb_node);
150 
151 		hits = callchain_cumul_hits(node);
152 		percent = 100.0 * hits / total;
153 
154 		new_parent = *parent;
155 		need_new_parent = !has_single_node && (node->val_nr > 1);
156 
157 		list_for_each_entry(chain, &node->val, list) {
158 			char buf[128];
159 
160 			gtk_tree_store_append(store, &iter, &new_parent);
161 
162 			scnprintf(buf, sizeof(buf), "%5.2f%%", percent);
163 			gtk_tree_store_set(store, &iter, 0, buf, -1);
164 
165 			callchain_list__sym_name(chain, buf, sizeof(buf));
166 			gtk_tree_store_set(store, &iter, col, buf, -1);
167 
168 			if (need_new_parent) {
169 				/*
170 				 * Only show the top-most symbol in a callchain
171 				 * if it's not the only callchain.
172 				 */
173 				new_parent = iter;
174 				need_new_parent = false;
175 			}
176 		}
177 
178 		if (callchain_param.mode == CHAIN_GRAPH_REL)
179 			child_total = node->children_hit;
180 		else
181 			child_total = total;
182 
183 		/* Now 'iter' contains info of the last callchain_list */
184 		perf_gtk__add_callchain(&node->rb_root, store, &iter, col,
185 					child_total);
186 	}
187 }
188 
189 static void on_row_activated(GtkTreeView *view, GtkTreePath *path,
190 			     GtkTreeViewColumn *col __maybe_unused,
191 			     gpointer user_data __maybe_unused)
192 {
193 	bool expanded = gtk_tree_view_row_expanded(view, path);
194 
195 	if (expanded)
196 		gtk_tree_view_collapse_row(view, path);
197 	else
198 		gtk_tree_view_expand_row(view, path, FALSE);
199 }
200 
201 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
202 				 float min_pcnt)
203 {
204 	struct perf_hpp_fmt *fmt;
205 	GType col_types[MAX_COLUMNS];
206 	GtkCellRenderer *renderer;
207 	struct sort_entry *se;
208 	GtkTreeStore *store;
209 	struct rb_node *nd;
210 	GtkWidget *view;
211 	int col_idx;
212 	int sym_col = -1;
213 	int nr_cols;
214 	char s[512];
215 
216 	struct perf_hpp hpp = {
217 		.buf		= s,
218 		.size		= sizeof(s),
219 		.ptr		= hists_to_evsel(hists),
220 	};
221 
222 	nr_cols = 0;
223 
224 	perf_hpp__for_each_format(fmt)
225 		col_types[nr_cols++] = G_TYPE_STRING;
226 
227 	list_for_each_entry(se, &hist_entry__sort_list, list) {
228 		if (se->elide)
229 			continue;
230 
231 		if (se == &sort_sym)
232 			sym_col = nr_cols;
233 
234 		col_types[nr_cols++] = G_TYPE_STRING;
235 	}
236 
237 	store = gtk_tree_store_newv(nr_cols, col_types);
238 
239 	view = gtk_tree_view_new();
240 
241 	renderer = gtk_cell_renderer_text_new();
242 
243 	col_idx = 0;
244 
245 	perf_hpp__for_each_format(fmt) {
246 		fmt->header(fmt, &hpp);
247 
248 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
249 							    -1, ltrim(s),
250 							    renderer, "markup",
251 							    col_idx++, NULL);
252 	}
253 
254 	list_for_each_entry(se, &hist_entry__sort_list, list) {
255 		if (se->elide)
256 			continue;
257 
258 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
259 							    -1, se->se_header,
260 							    renderer, "text",
261 							    col_idx++, NULL);
262 	}
263 
264 	for (col_idx = 0; col_idx < nr_cols; col_idx++) {
265 		GtkTreeViewColumn *column;
266 
267 		column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
268 		gtk_tree_view_column_set_resizable(column, TRUE);
269 
270 		if (col_idx == sym_col) {
271 			gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
272 							  column);
273 		}
274 	}
275 
276 	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
277 
278 	g_object_unref(GTK_TREE_MODEL(store));
279 
280 	for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
281 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
282 		GtkTreeIter iter;
283 		float percent = h->stat.period * 100.0 /
284 					hists->stats.total_period;
285 
286 		if (h->filtered)
287 			continue;
288 
289 		if (percent < min_pcnt)
290 			continue;
291 
292 		gtk_tree_store_append(store, &iter, NULL);
293 
294 		col_idx = 0;
295 
296 		perf_hpp__for_each_format(fmt) {
297 			if (fmt->color)
298 				fmt->color(fmt, &hpp, h);
299 			else
300 				fmt->entry(fmt, &hpp, h);
301 
302 			gtk_tree_store_set(store, &iter, col_idx++, s, -1);
303 		}
304 
305 		list_for_each_entry(se, &hist_entry__sort_list, list) {
306 			if (se->elide)
307 				continue;
308 
309 			se->se_snprintf(h, s, ARRAY_SIZE(s),
310 					hists__col_len(hists, se->se_width_idx));
311 
312 			gtk_tree_store_set(store, &iter, col_idx++, s, -1);
313 		}
314 
315 		if (symbol_conf.use_callchain && sort__has_sym) {
316 			u64 total;
317 
318 			if (callchain_param.mode == CHAIN_GRAPH_REL)
319 				total = h->stat.period;
320 			else
321 				total = hists->stats.total_period;
322 
323 			perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
324 						sym_col, total);
325 		}
326 	}
327 
328 	gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
329 
330 	g_signal_connect(view, "row-activated",
331 			 G_CALLBACK(on_row_activated), NULL);
332 	gtk_container_add(GTK_CONTAINER(window), view);
333 }
334 
335 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
336 				  const char *help,
337 				  struct hist_browser_timer *hbt __maybe_unused,
338 				  float min_pcnt)
339 {
340 	struct perf_evsel *pos;
341 	GtkWidget *vbox;
342 	GtkWidget *notebook;
343 	GtkWidget *info_bar;
344 	GtkWidget *statbar;
345 	GtkWidget *window;
346 
347 	signal(SIGSEGV, perf_gtk__signal);
348 	signal(SIGFPE,  perf_gtk__signal);
349 	signal(SIGINT,  perf_gtk__signal);
350 	signal(SIGQUIT, perf_gtk__signal);
351 	signal(SIGTERM, perf_gtk__signal);
352 
353 	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
354 
355 	gtk_window_set_title(GTK_WINDOW(window), "perf report");
356 
357 	g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
358 
359 	pgctx = perf_gtk__activate_context(window);
360 	if (!pgctx)
361 		return -1;
362 
363 	vbox = gtk_vbox_new(FALSE, 0);
364 
365 	notebook = gtk_notebook_new();
366 
367 	gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
368 
369 	info_bar = perf_gtk__setup_info_bar();
370 	if (info_bar)
371 		gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);
372 
373 	statbar = perf_gtk__setup_statusbar();
374 	gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
375 
376 	gtk_container_add(GTK_CONTAINER(window), vbox);
377 
378 	list_for_each_entry(pos, &evlist->entries, node) {
379 		struct hists *hists = &pos->hists;
380 		const char *evname = perf_evsel__name(pos);
381 		GtkWidget *scrolled_window;
382 		GtkWidget *tab_label;
383 		char buf[512];
384 		size_t size = sizeof(buf);
385 
386 		if (symbol_conf.event_group) {
387 			if (!perf_evsel__is_group_leader(pos))
388 				continue;
389 
390 			if (pos->nr_members > 1) {
391 				perf_evsel__group_desc(pos, buf, size);
392 				evname = buf;
393 			}
394 		}
395 
396 		scrolled_window = gtk_scrolled_window_new(NULL, NULL);
397 
398 		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
399 							GTK_POLICY_AUTOMATIC,
400 							GTK_POLICY_AUTOMATIC);
401 
402 		perf_gtk__show_hists(scrolled_window, hists, min_pcnt);
403 
404 		tab_label = gtk_label_new(evname);
405 
406 		gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
407 	}
408 
409 	gtk_widget_show_all(window);
410 
411 	perf_gtk__resize_window(window);
412 
413 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
414 
415 	ui_helpline__push(help);
416 
417 	gtk_main();
418 
419 	perf_gtk__deactivate_context(&pgctx);
420 
421 	return 0;
422 }
423