xref: /openbmc/linux/tools/perf/ui/gtk/annotate.c (revision 2359ccdd)
1 // SPDX-License-Identifier: GPL-2.0
2 #include "gtk.h"
3 #include "util/debug.h"
4 #include "util/annotate.h"
5 #include "util/evsel.h"
6 #include "ui/helpline.h"
7 #include <inttypes.h>
8 #include <signal.h>
9 
10 enum {
11 	ANN_COL__PERCENT,
12 	ANN_COL__OFFSET,
13 	ANN_COL__LINE,
14 
15 	MAX_ANN_COLS
16 };
17 
18 static const char *const col_names[] = {
19 	"Overhead",
20 	"Offset",
21 	"Line"
22 };
23 
24 static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
25 				 struct disasm_line *dl, int evidx)
26 {
27 	struct sym_hist *symhist;
28 	double percent = 0.0;
29 	const char *markup;
30 	int ret = 0;
31 
32 	strcpy(buf, "");
33 
34 	if (dl->al.offset == (s64) -1)
35 		return 0;
36 
37 	symhist = annotation__histogram(symbol__annotation(sym), evidx);
38 	if (!symbol_conf.event_group && !symhist->addr[dl->al.offset].nr_samples)
39 		return 0;
40 
41 	percent = 100.0 * symhist->addr[dl->al.offset].nr_samples / symhist->nr_samples;
42 
43 	markup = perf_gtk__get_percent_color(percent);
44 	if (markup)
45 		ret += scnprintf(buf, size, "%s", markup);
46 	ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
47 	if (markup)
48 		ret += scnprintf(buf + ret, size - ret, "</span>");
49 
50 	return ret;
51 }
52 
53 static int perf_gtk__get_offset(char *buf, size_t size, struct symbol *sym,
54 				struct map *map, struct disasm_line *dl)
55 {
56 	u64 start = map__rip_2objdump(map, sym->start);
57 
58 	strcpy(buf, "");
59 
60 	if (dl->al.offset == (s64) -1)
61 		return 0;
62 
63 	return scnprintf(buf, size, "%"PRIx64, start + dl->al.offset);
64 }
65 
66 static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
67 {
68 	int ret = 0;
69 	char *line = g_markup_escape_text(dl->al.line, -1);
70 	const char *markup = "<span fgcolor='gray'>";
71 
72 	strcpy(buf, "");
73 
74 	if (!line)
75 		return 0;
76 
77 	if (dl->al.offset != (s64) -1)
78 		markup = NULL;
79 
80 	if (markup)
81 		ret += scnprintf(buf, size, "%s", markup);
82 	ret += scnprintf(buf + ret, size - ret, "%s", line);
83 	if (markup)
84 		ret += scnprintf(buf + ret, size - ret, "</span>");
85 
86 	g_free(line);
87 	return ret;
88 }
89 
90 static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
91 				struct map *map, struct perf_evsel *evsel,
92 				struct hist_browser_timer *hbt __maybe_unused)
93 {
94 	struct disasm_line *pos, *n;
95 	struct annotation *notes;
96 	GType col_types[MAX_ANN_COLS];
97 	GtkCellRenderer *renderer;
98 	GtkListStore *store;
99 	GtkWidget *view;
100 	int i;
101 	char s[512];
102 
103 	notes = symbol__annotation(sym);
104 
105 	for (i = 0; i < MAX_ANN_COLS; i++) {
106 		col_types[i] = G_TYPE_STRING;
107 	}
108 	store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
109 
110 	view = gtk_tree_view_new();
111 	renderer = gtk_cell_renderer_text_new();
112 
113 	for (i = 0; i < MAX_ANN_COLS; i++) {
114 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
115 					-1, col_names[i], renderer, "markup",
116 					i, NULL);
117 	}
118 
119 	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
120 	g_object_unref(GTK_TREE_MODEL(store));
121 
122 	list_for_each_entry(pos, &notes->src->source, al.node) {
123 		GtkTreeIter iter;
124 		int ret = 0;
125 
126 		gtk_list_store_append(store, &iter);
127 
128 		if (perf_evsel__is_group_event(evsel)) {
129 			for (i = 0; i < evsel->nr_members; i++) {
130 				ret += perf_gtk__get_percent(s + ret,
131 							     sizeof(s) - ret,
132 							     sym, pos,
133 							     evsel->idx + i);
134 				ret += scnprintf(s + ret, sizeof(s) - ret, " ");
135 			}
136 		} else {
137 			ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
138 						    evsel->idx);
139 		}
140 
141 		if (ret)
142 			gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
143 		if (perf_gtk__get_offset(s, sizeof(s), sym, map, pos))
144 			gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
145 		if (perf_gtk__get_line(s, sizeof(s), pos))
146 			gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
147 	}
148 
149 	gtk_container_add(GTK_CONTAINER(window), view);
150 
151 	list_for_each_entry_safe(pos, n, &notes->src->source, al.node) {
152 		list_del(&pos->al.node);
153 		disasm_line__free(pos);
154 	}
155 
156 	return 0;
157 }
158 
159 static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
160 				struct perf_evsel *evsel,
161 				struct hist_browser_timer *hbt)
162 {
163 	GtkWidget *window;
164 	GtkWidget *notebook;
165 	GtkWidget *scrolled_window;
166 	GtkWidget *tab_label;
167 	int err;
168 
169 	if (map->dso->annotate_warned)
170 		return -1;
171 
172 	err = symbol__annotate(sym, map, evsel, 0, NULL);
173 	if (err) {
174 		char msg[BUFSIZ];
175 		symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
176 		ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
177 		return -1;
178 	}
179 
180 	symbol__calc_percent(sym, evsel);
181 
182 	if (perf_gtk__is_active_context(pgctx)) {
183 		window = pgctx->main_window;
184 		notebook = pgctx->notebook;
185 	} else {
186 		GtkWidget *vbox;
187 		GtkWidget *infobar;
188 		GtkWidget *statbar;
189 
190 		signal(SIGSEGV, perf_gtk__signal);
191 		signal(SIGFPE,  perf_gtk__signal);
192 		signal(SIGINT,  perf_gtk__signal);
193 		signal(SIGQUIT, perf_gtk__signal);
194 		signal(SIGTERM, perf_gtk__signal);
195 
196 		window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
197 		gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
198 
199 		g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
200 
201 		pgctx = perf_gtk__activate_context(window);
202 		if (!pgctx)
203 			return -1;
204 
205 		vbox = gtk_vbox_new(FALSE, 0);
206 		notebook = gtk_notebook_new();
207 		pgctx->notebook = notebook;
208 
209 		gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
210 
211 		infobar = perf_gtk__setup_info_bar();
212 		if (infobar) {
213 			gtk_box_pack_start(GTK_BOX(vbox), infobar,
214 					   FALSE, FALSE, 0);
215 		}
216 
217 		statbar = perf_gtk__setup_statusbar();
218 		gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
219 
220 		gtk_container_add(GTK_CONTAINER(window), vbox);
221 	}
222 
223 	scrolled_window = gtk_scrolled_window_new(NULL, NULL);
224 	tab_label = gtk_label_new(sym->name);
225 
226 	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
227 				       GTK_POLICY_AUTOMATIC,
228 				       GTK_POLICY_AUTOMATIC);
229 
230 	gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
231 				 tab_label);
232 
233 	perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt);
234 	return 0;
235 }
236 
237 int hist_entry__gtk_annotate(struct hist_entry *he,
238 			     struct perf_evsel *evsel,
239 			     struct hist_browser_timer *hbt)
240 {
241 	return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt);
242 }
243 
244 void perf_gtk__show_annotations(void)
245 {
246 	GtkWidget *window;
247 
248 	if (!perf_gtk__is_active_context(pgctx))
249 		return;
250 
251 	window = pgctx->main_window;
252 	gtk_widget_show_all(window);
253 
254 	perf_gtk__resize_window(window);
255 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
256 
257 	gtk_main();
258 
259 	perf_gtk__deactivate_context(&pgctx);
260 }
261