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TOMOYO Linux Cross Reference
Linux/tools/perf/ui/gtk/annotate.c

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  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 (perf_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 }
266 

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