GNU Linux-libre 5.10.217-gnu1
[releases.git] / tools / perf / ui / gtk / annotate.c
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->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->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 symbol *sym = ms->sym;
168         GtkWidget *window;
169         GtkWidget *notebook;
170         GtkWidget *scrolled_window;
171         GtkWidget *tab_label;
172         int err;
173
174         if (ms->map->dso->annotate_warned)
175                 return -1;
176
177         err = symbol__annotate(ms, evsel, &annotation__default_options, NULL);
178         if (err) {
179                 char msg[BUFSIZ];
180                 symbol__strerror_disassemble(ms, err, msg, sizeof(msg));
181                 ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
182                 return -1;
183         }
184
185         symbol__calc_percent(sym, evsel);
186
187         if (perf_gtk__is_active_context(pgctx)) {
188                 window = pgctx->main_window;
189                 notebook = pgctx->notebook;
190         } else {
191                 GtkWidget *vbox;
192                 GtkWidget *infobar;
193                 GtkWidget *statbar;
194
195                 signal(SIGSEGV, perf_gtk__signal);
196                 signal(SIGFPE,  perf_gtk__signal);
197                 signal(SIGINT,  perf_gtk__signal);
198                 signal(SIGQUIT, perf_gtk__signal);
199                 signal(SIGTERM, perf_gtk__signal);
200
201                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
202                 gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
203
204                 g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
205
206                 pgctx = perf_gtk__activate_context(window);
207                 if (!pgctx)
208                         return -1;
209
210                 vbox = gtk_vbox_new(FALSE, 0);
211                 notebook = gtk_notebook_new();
212                 pgctx->notebook = notebook;
213
214                 gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
215
216                 infobar = perf_gtk__setup_info_bar();
217                 if (infobar) {
218                         gtk_box_pack_start(GTK_BOX(vbox), infobar,
219                                            FALSE, FALSE, 0);
220                 }
221
222                 statbar = perf_gtk__setup_statusbar();
223                 gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
224
225                 gtk_container_add(GTK_CONTAINER(window), vbox);
226         }
227
228         scrolled_window = gtk_scrolled_window_new(NULL, NULL);
229         tab_label = gtk_label_new(sym->name);
230
231         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
232                                        GTK_POLICY_AUTOMATIC,
233                                        GTK_POLICY_AUTOMATIC);
234
235         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
236                                  tab_label);
237
238         perf_gtk__annotate_symbol(scrolled_window, ms, evsel, hbt);
239         return 0;
240 }
241
242 int hist_entry__gtk_annotate(struct hist_entry *he,
243                              struct evsel *evsel,
244                              struct hist_browser_timer *hbt)
245 {
246         return symbol__gtk_annotate(&he->ms, evsel, hbt);
247 }
248
249 void perf_gtk__show_annotations(void)
250 {
251         GtkWidget *window;
252
253         if (!perf_gtk__is_active_context(pgctx))
254                 return;
255
256         window = pgctx->main_window;
257         gtk_widget_show_all(window);
258
259         perf_gtk__resize_window(window);
260         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
261
262         gtk_main();
263
264         perf_gtk__deactivate_context(&pgctx);
265 }