xref: /openbmc/linux/tools/perf/ui/gtk/annotate.c (revision 2d96b44f)
1 #include "gtk.h"
2 #include "util/debug.h"
3 #include "util/annotate.h"
4 #include "util/evsel.h"
5 #include "ui/helpline.h"
6 
7 
8 enum {
9 	ANN_COL__PERCENT,
10 	ANN_COL__OFFSET,
11 	ANN_COL__LINE,
12 
13 	MAX_ANN_COLS
14 };
15 
16 static const char *const col_names[] = {
17 	"Overhead",
18 	"Offset",
19 	"Line"
20 };
21 
22 static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
23 				 struct disasm_line *dl, int evidx)
24 {
25 	struct sym_hist *symhist;
26 	double percent = 0.0;
27 	const char *markup;
28 	int ret = 0;
29 
30 	strcpy(buf, "");
31 
32 	if (dl->offset == (s64) -1)
33 		return 0;
34 
35 	symhist = annotation__histogram(symbol__annotation(sym), evidx);
36 	if (!symbol_conf.event_group && !symhist->addr[dl->offset])
37 		return 0;
38 
39 	percent = 100.0 * symhist->addr[dl->offset] / symhist->sum;
40 
41 	markup = perf_gtk__get_percent_color(percent);
42 	if (markup)
43 		ret += scnprintf(buf, size, "%s", markup);
44 	ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
45 	if (markup)
46 		ret += scnprintf(buf + ret, size - ret, "</span>");
47 
48 	return ret;
49 }
50 
51 static int perf_gtk__get_offset(char *buf, size_t size, struct symbol *sym,
52 				struct map *map, struct disasm_line *dl)
53 {
54 	u64 start = map__rip_2objdump(map, sym->start);
55 
56 	strcpy(buf, "");
57 
58 	if (dl->offset == (s64) -1)
59 		return 0;
60 
61 	return scnprintf(buf, size, "%"PRIx64, start + dl->offset);
62 }
63 
64 static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
65 {
66 	int ret = 0;
67 	char *line = g_markup_escape_text(dl->line, -1);
68 	const char *markup = "<span fgcolor='gray'>";
69 
70 	strcpy(buf, "");
71 
72 	if (!line)
73 		return 0;
74 
75 	if (dl->offset != (s64) -1)
76 		markup = NULL;
77 
78 	if (markup)
79 		ret += scnprintf(buf, size, "%s", markup);
80 	ret += scnprintf(buf + ret, size - ret, "%s", line);
81 	if (markup)
82 		ret += scnprintf(buf + ret, size - ret, "</span>");
83 
84 	g_free(line);
85 	return ret;
86 }
87 
88 static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
89 				struct map *map, struct perf_evsel *evsel,
90 				struct hist_browser_timer *hbt __maybe_unused)
91 {
92 	struct disasm_line *pos, *n;
93 	struct annotation *notes;
94 	GType col_types[MAX_ANN_COLS];
95 	GtkCellRenderer *renderer;
96 	GtkListStore *store;
97 	GtkWidget *view;
98 	int i;
99 	char s[512];
100 
101 	notes = symbol__annotation(sym);
102 
103 	for (i = 0; i < MAX_ANN_COLS; i++) {
104 		col_types[i] = G_TYPE_STRING;
105 	}
106 	store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
107 
108 	view = gtk_tree_view_new();
109 	renderer = gtk_cell_renderer_text_new();
110 
111 	for (i = 0; i < MAX_ANN_COLS; i++) {
112 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
113 					-1, col_names[i], renderer, "markup",
114 					i, NULL);
115 	}
116 
117 	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
118 	g_object_unref(GTK_TREE_MODEL(store));
119 
120 	list_for_each_entry(pos, &notes->src->source, node) {
121 		GtkTreeIter iter;
122 		int ret = 0;
123 
124 		gtk_list_store_append(store, &iter);
125 
126 		if (perf_evsel__is_group_event(evsel)) {
127 			for (i = 0; i < evsel->nr_members; i++) {
128 				ret += perf_gtk__get_percent(s + ret,
129 							     sizeof(s) - ret,
130 							     sym, pos,
131 							     evsel->idx + i);
132 				ret += scnprintf(s + ret, sizeof(s) - ret, " ");
133 			}
134 		} else {
135 			ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
136 						    evsel->idx);
137 		}
138 
139 		if (ret)
140 			gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
141 		if (perf_gtk__get_offset(s, sizeof(s), sym, map, pos))
142 			gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
143 		if (perf_gtk__get_line(s, sizeof(s), pos))
144 			gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
145 	}
146 
147 	gtk_container_add(GTK_CONTAINER(window), view);
148 
149 	list_for_each_entry_safe(pos, n, &notes->src->source, node) {
150 		list_del(&pos->node);
151 		disasm_line__free(pos);
152 	}
153 
154 	return 0;
155 }
156 
157 static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
158 				struct perf_evsel *evsel,
159 				struct hist_browser_timer *hbt)
160 {
161 	GtkWidget *window;
162 	GtkWidget *notebook;
163 	GtkWidget *scrolled_window;
164 	GtkWidget *tab_label;
165 	int err;
166 
167 	if (map->dso->annotate_warned)
168 		return -1;
169 
170 	err = symbol__disassemble(sym, map, 0);
171 	if (err) {
172 		char msg[BUFSIZ];
173 		symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
174 		ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
175 		return -1;
176 	}
177 
178 	if (perf_gtk__is_active_context(pgctx)) {
179 		window = pgctx->main_window;
180 		notebook = pgctx->notebook;
181 	} else {
182 		GtkWidget *vbox;
183 		GtkWidget *infobar;
184 		GtkWidget *statbar;
185 
186 		signal(SIGSEGV, perf_gtk__signal);
187 		signal(SIGFPE,  perf_gtk__signal);
188 		signal(SIGINT,  perf_gtk__signal);
189 		signal(SIGQUIT, perf_gtk__signal);
190 		signal(SIGTERM, perf_gtk__signal);
191 
192 		window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
193 		gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
194 
195 		g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
196 
197 		pgctx = perf_gtk__activate_context(window);
198 		if (!pgctx)
199 			return -1;
200 
201 		vbox = gtk_vbox_new(FALSE, 0);
202 		notebook = gtk_notebook_new();
203 		pgctx->notebook = notebook;
204 
205 		gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
206 
207 		infobar = perf_gtk__setup_info_bar();
208 		if (infobar) {
209 			gtk_box_pack_start(GTK_BOX(vbox), infobar,
210 					   FALSE, FALSE, 0);
211 		}
212 
213 		statbar = perf_gtk__setup_statusbar();
214 		gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
215 
216 		gtk_container_add(GTK_CONTAINER(window), vbox);
217 	}
218 
219 	scrolled_window = gtk_scrolled_window_new(NULL, NULL);
220 	tab_label = gtk_label_new(sym->name);
221 
222 	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
223 				       GTK_POLICY_AUTOMATIC,
224 				       GTK_POLICY_AUTOMATIC);
225 
226 	gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
227 				 tab_label);
228 
229 	perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt);
230 	return 0;
231 }
232 
233 int hist_entry__gtk_annotate(struct hist_entry *he,
234 			     struct perf_evsel *evsel,
235 			     struct hist_browser_timer *hbt)
236 {
237 	return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt);
238 }
239 
240 void perf_gtk__show_annotations(void)
241 {
242 	GtkWidget *window;
243 
244 	if (!perf_gtk__is_active_context(pgctx))
245 		return;
246 
247 	window = pgctx->main_window;
248 	gtk_widget_show_all(window);
249 
250 	perf_gtk__resize_window(window);
251 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
252 
253 	gtk_main();
254 
255 	perf_gtk__deactivate_context(&pgctx);
256 }
257