GNU Linux-libre 4.14.259-gnu1
[releases.git] / tools / perf / ui / gtk / annotate.c
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->offset == (s64) -1)
35                 return 0;
36
37         symhist = annotation__histogram(symbol__annotation(sym), evidx);
38         if (!symbol_conf.event_group && !symhist->addr[dl->offset].nr_samples)
39                 return 0;
40
41         percent = 100.0 * symhist->addr[dl->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->offset == (s64) -1)
61                 return 0;
62
63         return scnprintf(buf, size, "%"PRIx64, start + dl->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->line, -1);
70         const char *markup = "<span fgcolor='gray'>";
71
72         strcpy(buf, "");
73
74         if (!line)
75                 return 0;
76
77         if (dl->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, 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, node) {
152                 list_del(&pos->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__disassemble(sym, map, perf_evsel__env_arch(evsel),
173                                   0, NULL, NULL);
174         if (err) {
175                 char msg[BUFSIZ];
176                 symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
177                 ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
178                 return -1;
179         }
180
181         if (perf_gtk__is_active_context(pgctx)) {
182                 window = pgctx->main_window;
183                 notebook = pgctx->notebook;
184         } else {
185                 GtkWidget *vbox;
186                 GtkWidget *infobar;
187                 GtkWidget *statbar;
188
189                 signal(SIGSEGV, perf_gtk__signal);
190                 signal(SIGFPE,  perf_gtk__signal);
191                 signal(SIGINT,  perf_gtk__signal);
192                 signal(SIGQUIT, perf_gtk__signal);
193                 signal(SIGTERM, perf_gtk__signal);
194
195                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
196                 gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
197
198                 g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
199
200                 pgctx = perf_gtk__activate_context(window);
201                 if (!pgctx)
202                         return -1;
203
204                 vbox = gtk_vbox_new(FALSE, 0);
205                 notebook = gtk_notebook_new();
206                 pgctx->notebook = notebook;
207
208                 gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
209
210                 infobar = perf_gtk__setup_info_bar();
211                 if (infobar) {
212                         gtk_box_pack_start(GTK_BOX(vbox), infobar,
213                                            FALSE, FALSE, 0);
214                 }
215
216                 statbar = perf_gtk__setup_statusbar();
217                 gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
218
219                 gtk_container_add(GTK_CONTAINER(window), vbox);
220         }
221
222         scrolled_window = gtk_scrolled_window_new(NULL, NULL);
223         tab_label = gtk_label_new(sym->name);
224
225         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
226                                        GTK_POLICY_AUTOMATIC,
227                                        GTK_POLICY_AUTOMATIC);
228
229         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
230                                  tab_label);
231
232         perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt);
233         return 0;
234 }
235
236 int hist_entry__gtk_annotate(struct hist_entry *he,
237                              struct perf_evsel *evsel,
238                              struct hist_browser_timer *hbt)
239 {
240         return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt);
241 }
242
243 void perf_gtk__show_annotations(void)
244 {
245         GtkWidget *window;
246
247         if (!perf_gtk__is_active_context(pgctx))
248                 return;
249
250         window = pgctx->main_window;
251         gtk_widget_show_all(window);
252
253         perf_gtk__resize_window(window);
254         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
255
256         gtk_main();
257
258         perf_gtk__deactivate_context(&pgctx);
259 }