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->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 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                 ms->map->dso->annotate_warned = true;
 181                 symbol__strerror_disassemble(ms, err, msg, sizeof(msg));
 182                 ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
 183                 return -1;
 184         }
 185
 186         symbol__calc_percent(sym, evsel);
 187
 188         if (perf_gtk__is_active_context(pgctx)) {
 189                 window = pgctx->main_window;
 190                 notebook = pgctx->notebook;
 191         } else {
 192                 GtkWidget *vbox;
 193                 GtkWidget *infobar;
 194                 GtkWidget *statbar;
 195
 196                 signal(SIGSEGV, perf_gtk__signal);
 197                 signal(SIGFPE,  perf_gtk__signal);
 198                 signal(SIGINT,  perf_gtk__signal);
 199                 signal(SIGQUIT, perf_gtk__signal);
 200                 signal(SIGTERM, perf_gtk__signal);
 201
 202                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 203                 gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
 204
 205                 g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 206
 207                 pgctx = perf_gtk__activate_context(window);
 208                 if (!pgctx)
 209                         return -1;
 210
 211                 vbox = gtk_vbox_new(FALSE, 0);
 212                 notebook = gtk_notebook_new();
 213                 pgctx->notebook = notebook;
 214
 215                 gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 216
 217                 infobar = perf_gtk__setup_info_bar();
 218                 if (infobar) {
 219                         gtk_box_pack_start(GTK_BOX(vbox), infobar,
 220                                            FALSE, FALSE, 0);
 221                 }
 222
 223                 statbar = perf_gtk__setup_statusbar();
 224                 gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 225
 226                 gtk_container_add(GTK_CONTAINER(window), vbox);
 227         }
 228
 229         scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 230         tab_label = gtk_label_new(sym->name);
 231
 232         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 233                                        GTK_POLICY_AUTOMATIC,
 234                                        GTK_POLICY_AUTOMATIC);
 235
 236         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
 237                                  tab_label);
 238
 239         perf_gtk__annotate_symbol(scrolled_window, ms, evsel, hbt);
 240         return 0;
 241 }
 242
 243 int hist_entry__gtk_annotate(struct hist_entry *he,
 244                              struct evsel *evsel,
 245                              struct hist_browser_timer *hbt)
 246 {
 247         return symbol__gtk_annotate(&he->ms, evsel, hbt);
 248 }
 249
 250 void perf_gtk__show_annotations(void)
 251 {
 252         GtkWidget *window;
 253
 254         if (!perf_gtk__is_active_context(pgctx))
 255                 return;
 256
 257         window = pgctx->main_window;
 258         gtk_widget_show_all(window);
 259
 260         perf_gtk__resize_window(window);
 261         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 262
 263         gtk_main();
 264
 265         perf_gtk__deactivate_context(&pgctx);
 266 }