tools/perf/ui/gtk/annotate.c

   1 #include "gtk.h"
   2 #include "util/debug.h"
   3 #include "util/annotate.h"
   4 #include "ui/helpline.h"
   5
   6
   7 enum {
   8         ANN_COL__PERCENT,
   9         ANN_COL__OFFSET,
  10         ANN_COL__LINE,
  11
  12         MAX_ANN_COLS
  13 };
  14
  15 static const char *const col_names[] = {
  16         "Overhead",
  17         "Offset",
  18         "Line"
  19 };
  20
  21 static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
  22                                  struct disasm_line *dl, int evidx)
  23 {
  24         struct sym_hist *symhist;
  25         double percent = 0.0;
  26         const char *markup;
  27         int ret = 0;
  28
  29         strcpy(buf, "");
  30
  31         if (dl->offset == (s64) -1)
  32                 return 0;
  33
  34         symhist = annotation__histogram(symbol__annotation(sym), evidx);
  35         if (!symhist->addr[dl->offset])
  36                 return 0;
  37
  38         percent = 100.0 * symhist->addr[dl->offset] / symhist->sum;
  39
  40         markup = perf_gtk__get_percent_color(percent);
  41         if (markup)
  42                 ret += scnprintf(buf, size, "%s", markup);
  43         ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
  44         if (markup)
  45                 ret += scnprintf(buf + ret, size - ret, "</span>");
  46
  47         return ret;
  48 }
  49
  50 static int perf_gtk__get_offset(char *buf, size_t size, struct symbol *sym,
  51                                 struct map *map, struct disasm_line *dl)
  52 {
  53         u64 start = map__rip_2objdump(map, sym->start);
  54
  55         strcpy(buf, "");
  56
  57         if (dl->offset == (s64) -1)
  58                 return 0;
  59
  60         return scnprintf(buf, size, "%"PRIx64, start + dl->offset);
  61 }
  62
  63 static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
  64                                 struct map *map, int evidx,
  65                                 struct hist_browser_timer *hbt __maybe_unused)
  66 {
  67         struct disasm_line *pos, *n;
  68         struct annotation *notes;
  69         GType col_types[MAX_ANN_COLS];
  70         GtkCellRenderer *renderer;
  71         GtkListStore *store;
  72         GtkWidget *view;
  73         int i;
  74         char s[512];
  75
  76         if (map->dso->annotate_warned)
  77                 return -1;
  78
  79         if (symbol__annotate(sym, map, 0) < 0) {
  80                 ui__error("%s", ui_helpline__current);
  81                 return -1;
  82         }
  83
  84         notes = symbol__annotation(sym);
  85
  86         for (i = 0; i < MAX_ANN_COLS; i++) {
  87                 col_types[i] = G_TYPE_STRING;
  88         }
  89         store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
  90
  91         view = gtk_tree_view_new();
  92         renderer = gtk_cell_renderer_text_new();
  93
  94         for (i = 0; i < MAX_ANN_COLS; i++) {
  95                 gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
  96                                         -1, col_names[i], renderer,
  97                                         i == ANN_COL__PERCENT ? "markup" : "text",
  98                                         i, NULL);
  99         }
 100
 101         gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
 102         g_object_unref(GTK_TREE_MODEL(store));
 103
 104         list_for_each_entry(pos, &notes->src->source, node) {
 105                 GtkTreeIter iter;
 106
 107                 gtk_list_store_append(store, &iter);
 108
 109                 if (perf_gtk__get_percent(s, sizeof(s), sym, pos, evidx))
 110                         gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
 111                 if (perf_gtk__get_offset(s, sizeof(s), sym, map, pos))
 112                         gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
 113                 gtk_list_store_set(store, &iter, ANN_COL__LINE, pos->line, -1);
 114         }
 115
 116         gtk_container_add(GTK_CONTAINER(window), view);
 117
 118         list_for_each_entry_safe(pos, n, &notes->src->source, node) {
 119                 list_del(&pos->node);
 120                 disasm_line__free(pos);
 121         }
 122
 123         return 0;
 124 }
 125
 126 int symbol__gtk_annotate(struct symbol *sym, struct map *map, int evidx,
 127                          struct hist_browser_timer *hbt)
 128 {
 129         GtkWidget *window;
 130         GtkWidget *notebook;
 131         GtkWidget *scrolled_window;
 132         GtkWidget *tab_label;
 133
 134         if (perf_gtk__is_active_context(pgctx)) {
 135                 window = pgctx->main_window;
 136                 notebook = pgctx->notebook;
 137         } else {
 138                 GtkWidget *vbox;
 139                 GtkWidget *infobar;
 140                 GtkWidget *statbar;
 141
 142                 signal(SIGSEGV, perf_gtk__signal);
 143                 signal(SIGFPE,  perf_gtk__signal);
 144                 signal(SIGINT,  perf_gtk__signal);
 145                 signal(SIGQUIT, perf_gtk__signal);
 146                 signal(SIGTERM, perf_gtk__signal);
 147
 148                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 149                 gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
 150
 151                 g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 152
 153                 pgctx = perf_gtk__activate_context(window);
 154                 if (!pgctx)
 155                         return -1;
 156
 157                 vbox = gtk_vbox_new(FALSE, 0);
 158                 notebook = gtk_notebook_new();
 159                 pgctx->notebook = notebook;
 160
 161                 gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 162
 163                 infobar = perf_gtk__setup_info_bar();
 164                 if (infobar) {
 165                         gtk_box_pack_start(GTK_BOX(vbox), infobar,
 166                                            FALSE, FALSE, 0);
 167                 }
 168
 169                 statbar = perf_gtk__setup_statusbar();
 170                 gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 171
 172                 gtk_container_add(GTK_CONTAINER(window), vbox);
 173         }
 174
 175         scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 176         tab_label = gtk_label_new(sym->name);
 177
 178         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 179                                        GTK_POLICY_AUTOMATIC,
 180                                        GTK_POLICY_AUTOMATIC);
 181
 182         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
 183                                  tab_label);
 184
 185         perf_gtk__annotate_symbol(scrolled_window, sym, map, evidx, hbt);
 186         return 0;
 187 }
 188
 189 void perf_gtk__show_annotations(void)
 190 {
 191         GtkWidget *window;
 192
 193         if (!perf_gtk__is_active_context(pgctx))
 194                 return;
 195
 196         window = pgctx->main_window;
 197         gtk_widget_show_all(window);
 198
 199         perf_gtk__resize_window(window);
 200         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 201
 202         gtk_main();
 203
 204         perf_gtk__deactivate_context(&pgctx);
 205 }