xref: /openbmc/linux/tools/perf/ui/gtk/annotate.c (revision 6fa24b41)
1 // SPDX-License-Identifier: GPL-2.0
2 #include "gtk.h"
3 #include "util/sort.h"
4 #include "util/debug.h"
5 #include "util/annotate.h"
6 #include "util/evsel.h"
7 #include "util/map.h"
8 #include "util/dso.h"
9 #include "util/symbol.h"
10 #include "ui/helpline.h"
11 #include <inttypes.h>
12 #include <signal.h>
13 
14 enum {
15 	ANN_COL__PERCENT,
16 	ANN_COL__OFFSET,
17 	ANN_COL__LINE,
18 
19 	MAX_ANN_COLS
20 };
21 
22 static const char *const col_names[] = {
23 	"Overhead",
24 	"Offset",
25 	"Line"
26 };
27 
28 static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
29 				 struct disasm_line *dl, int evidx)
30 {
31 	struct sym_hist *symhist;
32 	double percent = 0.0;
33 	const char *markup;
34 	int ret = 0;
35 
36 	strcpy(buf, "");
37 
38 	if (dl->al.offset == (s64) -1)
39 		return 0;
40 
41 	symhist = annotation__histogram(symbol__annotation(sym), evidx);
42 	if (!symbol_conf.event_group && !symhist->addr[dl->al.offset].nr_samples)
43 		return 0;
44 
45 	percent = 100.0 * symhist->addr[dl->al.offset].nr_samples / symhist->nr_samples;
46 
47 	markup = perf_gtk__get_percent_color(percent);
48 	if (markup)
49 		ret += scnprintf(buf, size, "%s", markup);
50 	ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
51 	if (markup)
52 		ret += scnprintf(buf + ret, size - ret, "</span>");
53 
54 	return ret;
55 }
56 
57 static int perf_gtk__get_offset(char *buf, size_t size, struct map_symbol *ms,
58 				struct disasm_line *dl)
59 {
60 	u64 start = map__rip_2objdump(ms->map, ms->sym->start);
61 
62 	strcpy(buf, "");
63 
64 	if (dl->al.offset == (s64) -1)
65 		return 0;
66 
67 	return scnprintf(buf, size, "%"PRIx64, start + dl->al.offset);
68 }
69 
70 static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
71 {
72 	int ret = 0;
73 	char *line = g_markup_escape_text(dl->al.line, -1);
74 	const char *markup = "<span fgcolor='gray'>";
75 
76 	strcpy(buf, "");
77 
78 	if (!line)
79 		return 0;
80 
81 	if (dl->al.offset != (s64) -1)
82 		markup = NULL;
83 
84 	if (markup)
85 		ret += scnprintf(buf, size, "%s", markup);
86 	ret += scnprintf(buf + ret, size - ret, "%s", line);
87 	if (markup)
88 		ret += scnprintf(buf + ret, size - ret, "</span>");
89 
90 	g_free(line);
91 	return ret;
92 }
93 
94 static int perf_gtk__annotate_symbol(GtkWidget *window, struct map_symbol *ms,
95 				struct evsel *evsel,
96 				struct hist_browser_timer *hbt __maybe_unused)
97 {
98 	struct symbol *sym = ms->sym;
99 	struct disasm_line *pos, *n;
100 	struct annotation *notes;
101 	GType col_types[MAX_ANN_COLS];
102 	GtkCellRenderer *renderer;
103 	GtkListStore *store;
104 	GtkWidget *view;
105 	int i;
106 	char s[512];
107 
108 	notes = symbol__annotation(sym);
109 
110 	for (i = 0; i < MAX_ANN_COLS; i++) {
111 		col_types[i] = G_TYPE_STRING;
112 	}
113 	store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
114 
115 	view = gtk_tree_view_new();
116 	renderer = gtk_cell_renderer_text_new();
117 
118 	for (i = 0; i < MAX_ANN_COLS; i++) {
119 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
120 					-1, col_names[i], renderer, "markup",
121 					i, NULL);
122 	}
123 
124 	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
125 	g_object_unref(GTK_TREE_MODEL(store));
126 
127 	list_for_each_entry(pos, &notes->src->source, al.node) {
128 		GtkTreeIter iter;
129 		int ret = 0;
130 
131 		gtk_list_store_append(store, &iter);
132 
133 		if (evsel__is_group_event(evsel)) {
134 			for (i = 0; i < evsel->core.nr_members; i++) {
135 				ret += perf_gtk__get_percent(s + ret,
136 							     sizeof(s) - ret,
137 							     sym, pos,
138 							     evsel->core.idx + i);
139 				ret += scnprintf(s + ret, sizeof(s) - ret, " ");
140 			}
141 		} else {
142 			ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
143 						    evsel->core.idx);
144 		}
145 
146 		if (ret)
147 			gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
148 		if (perf_gtk__get_offset(s, sizeof(s), ms, pos))
149 			gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
150 		if (perf_gtk__get_line(s, sizeof(s), pos))
151 			gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
152 	}
153 
154 	gtk_container_add(GTK_CONTAINER(window), view);
155 
156 	list_for_each_entry_safe(pos, n, &notes->src->source, al.node) {
157 		list_del_init(&pos->al.node);
158 		disasm_line__free(pos);
159 	}
160 
161 	return 0;
162 }
163 
164 static int symbol__gtk_annotate(struct map_symbol *ms, struct evsel *evsel,
165 				struct hist_browser_timer *hbt)
166 {
167 	struct dso *dso = map__dso(ms->map);
168 	struct symbol *sym = ms->sym;
169 	GtkWidget *window;
170 	GtkWidget *notebook;
171 	GtkWidget *scrolled_window;
172 	GtkWidget *tab_label;
173 	int err;
174 
175 	if (dso->annotate_warned)
176 		return -1;
177 
178 	err = symbol__annotate(ms, evsel, NULL);
179 	if (err) {
180 		char msg[BUFSIZ];
181 		dso->annotate_warned = true;
182 		symbol__strerror_disassemble(ms, err, msg, sizeof(msg));
183 		ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
184 		return -1;
185 	}
186 
187 	symbol__calc_percent(sym, evsel);
188 
189 	if (perf_gtk__is_active_context(pgctx)) {
190 		window = pgctx->main_window;
191 		notebook = pgctx->notebook;
192 	} else {
193 		GtkWidget *vbox;
194 		GtkWidget *infobar;
195 		GtkWidget *statbar;
196 
197 		signal(SIGSEGV, perf_gtk__signal);
198 		signal(SIGFPE,  perf_gtk__signal);
199 		signal(SIGINT,  perf_gtk__signal);
200 		signal(SIGQUIT, perf_gtk__signal);
201 		signal(SIGTERM, perf_gtk__signal);
202 
203 		window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
204 		gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
205 
206 		g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
207 
208 		pgctx = perf_gtk__activate_context(window);
209 		if (!pgctx)
210 			return -1;
211 
212 		vbox = gtk_vbox_new(FALSE, 0);
213 		notebook = gtk_notebook_new();
214 		pgctx->notebook = notebook;
215 
216 		gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
217 
218 		infobar = perf_gtk__setup_info_bar();
219 		if (infobar) {
220 			gtk_box_pack_start(GTK_BOX(vbox), infobar,
221 					   FALSE, FALSE, 0);
222 		}
223 
224 		statbar = perf_gtk__setup_statusbar();
225 		gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
226 
227 		gtk_container_add(GTK_CONTAINER(window), vbox);
228 	}
229 
230 	scrolled_window = gtk_scrolled_window_new(NULL, NULL);
231 	tab_label = gtk_label_new(sym->name);
232 
233 	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
234 				       GTK_POLICY_AUTOMATIC,
235 				       GTK_POLICY_AUTOMATIC);
236 
237 	gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
238 				 tab_label);
239 
240 	perf_gtk__annotate_symbol(scrolled_window, ms, evsel, hbt);
241 	return 0;
242 }
243 
244 int hist_entry__gtk_annotate(struct hist_entry *he,
245 			     struct evsel *evsel,
246 			     struct hist_browser_timer *hbt)
247 {
248 	return symbol__gtk_annotate(&he->ms, evsel, hbt);
249 }
250 
251 void perf_gtk__show_annotations(void)
252 {
253 	GtkWidget *window;
254 
255 	if (!perf_gtk__is_active_context(pgctx))
256 		return;
257 
258 	window = pgctx->main_window;
259 	gtk_widget_show_all(window);
260 
261 	perf_gtk__resize_window(window);
262 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
263 
264 	gtk_main();
265 
266 	perf_gtk__deactivate_context(&pgctx);
267 }
268