kernel/tools/perf/ui/gtk/annotate.c

   1 #include "gtk.h"
   2 #include "util/debug.h"
   3 #include "util/annotate.h"
   4 #include "util/evsel.h"
   5 #include "ui/helpline.h"
   6
   7
   8 enum {
   9         ANN_COL__PERCENT,
  10         ANN_COL__OFFSET,
  11         ANN_COL__LINE,
  12
  13         MAX_ANN_COLS
  14 };
  15
  16 static const char *const col_names[] = {
  17         "Overhead",
  18         "Offset",
  19         "Line"
  20 };
  21
  22 static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
  23                                  struct disasm_line *dl, int evidx)
  24 {
  25         struct sym_hist *symhist;
  26         double percent = 0.0;
  27         const char *markup;
  28         int ret = 0;
  29
  30         strcpy(buf, "");
  31
  32         if (dl->offset == (s64) -1)
  33                 return 0;
  34
  35         symhist = annotation__histogram(symbol__annotation(sym), evidx);
  36         if (!symbol_conf.event_group && !symhist->addr[dl->offset])
  37                 return 0;
  38
  39         percent = 100.0 * symhist->addr[dl->offset] / symhist->sum;
  40
  41         markup = perf_gtk__get_percent_color(percent);
  42         if (markup)
  43                 ret += scnprintf(buf, size, "%s", markup);
  44         ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
  45         if (markup)
  46                 ret += scnprintf(buf + ret, size - ret, "</span>");
  47
  48         return ret;
  49 }
  50
  51 static int perf_gtk__get_offset(char *buf, size_t size, struct symbol *sym,
  52                                 struct map *map, struct disasm_line *dl)
  53 {
  54         u64 start = map__rip_2objdump(map, sym->start);
  55
  56         strcpy(buf, "");
  57
  58         if (dl->offset == (s64) -1)
  59                 return 0;
  60
  61         return scnprintf(buf, size, "%"PRIx64, start + dl->offset);
  62 }
  63
  64 static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
  65 {
  66         int ret = 0;
  67         char *line = g_markup_escape_text(dl->line, -1);
  68         const char *markup = "<span fgcolor='gray'>";
  69
  70         strcpy(buf, "");
  71
  72         if (!line)
  73                 return 0;
  74
  75         if (dl->offset != (s64) -1)
  76                 markup = NULL;
  77
  78         if (markup)
  79                 ret += scnprintf(buf, size, "%s", markup);
  80         ret += scnprintf(buf + ret, size - ret, "%s", line);
  81         if (markup)
  82                 ret += scnprintf(buf + ret, size - ret, "</span>");
  83
  84         g_free(line);
  85         return ret;
  86 }
  87
  88 static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
  89                                 struct map *map, struct perf_evsel *evsel,
  90                                 struct hist_browser_timer *hbt __maybe_unused)
  91 {
  92         struct disasm_line *pos, *n;
  93         struct annotation *notes;
  94         GType col_types[MAX_ANN_COLS];
  95         GtkCellRenderer *renderer;
  96         GtkListStore *store;
  97         GtkWidget *view;
  98         int i;
  99         char s[512];
 100
 101         notes = symbol__annotation(sym);
 102
 103         for (i = 0; i < MAX_ANN_COLS; i++) {
 104                 col_types[i] = G_TYPE_STRING;
 105         }
 106         store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
 107
 108         view = gtk_tree_view_new();
 109         renderer = gtk_cell_renderer_text_new();
 110
 111         for (i = 0; i < MAX_ANN_COLS; i++) {
 112                 gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 113                                         -1, col_names[i], renderer, "markup",
 114                                         i, NULL);
 115         }
 116
 117         gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
 118         g_object_unref(GTK_TREE_MODEL(store));
 119
 120         list_for_each_entry(pos, &notes->src->source, node) {
 121                 GtkTreeIter iter;
 122                 int ret = 0;
 123
 124                 gtk_list_store_append(store, &iter);
 125
 126                 if (perf_evsel__is_group_event(evsel)) {
 127                         for (i = 0; i < evsel->nr_members; i++) {
 128                                 ret += perf_gtk__get_percent(s + ret,
 129                                                              sizeof(s) - ret,
 130                                                              sym, pos,
 131                                                              evsel->idx + i);
 132                                 ret += scnprintf(s + ret, sizeof(s) - ret, " ");
 133                         }
 134                 } else {
 135                         ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
 136                                                     evsel->idx);
 137                 }
 138
 139                 if (ret)
 140                         gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
 141                 if (perf_gtk__get_offset(s, sizeof(s), sym, map, pos))
 142                         gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
 143                 if (perf_gtk__get_line(s, sizeof(s), pos))
 144                         gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
 145         }
 146
 147         gtk_container_add(GTK_CONTAINER(window), view);
 148
 149         list_for_each_entry_safe(pos, n, &notes->src->source, node) {
 150                 list_del(&pos->node);
 151                 disasm_line__free(pos);
 152         }
 153
 154         return 0;
 155 }
 156
 157 static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
 158                                 struct perf_evsel *evsel,
 159                                 struct hist_browser_timer *hbt)
 160 {
 161         GtkWidget *window;
 162         GtkWidget *notebook;
 163         GtkWidget *scrolled_window;
 164         GtkWidget *tab_label;
 165
 166         if (map->dso->annotate_warned)
 167                 return -1;
 168
 169         if (symbol__annotate(sym, map, 0) < 0) {
 170                 ui__error("%s", ui_helpline__current);
 171                 return -1;
 172         }
 173
 174         if (perf_gtk__is_active_context(pgctx)) {
 175                 window = pgctx->main_window;
 176                 notebook = pgctx->notebook;
 177         } else {
 178                 GtkWidget *vbox;
 179                 GtkWidget *infobar;
 180                 GtkWidget *statbar;
 181
 182                 signal(SIGSEGV, perf_gtk__signal);
 183                 signal(SIGFPE,  perf_gtk__signal);
 184                 signal(SIGINT,  perf_gtk__signal);
 185                 signal(SIGQUIT, perf_gtk__signal);
 186                 signal(SIGTERM, perf_gtk__signal);
 187
 188                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 189                 gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
 190
 191                 g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 192
 193                 pgctx = perf_gtk__activate_context(window);
 194                 if (!pgctx)
 195                         return -1;
 196
 197                 vbox = gtk_vbox_new(FALSE, 0);
 198                 notebook = gtk_notebook_new();
 199                 pgctx->notebook = notebook;
 200
 201                 gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 202
 203                 infobar = perf_gtk__setup_info_bar();
 204                 if (infobar) {
 205                         gtk_box_pack_start(GTK_BOX(vbox), infobar,
 206                                            FALSE, FALSE, 0);
 207                 }
 208
 209                 statbar = perf_gtk__setup_statusbar();
 210                 gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 211
 212                 gtk_container_add(GTK_CONTAINER(window), vbox);
 213         }
 214
 215         scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 216         tab_label = gtk_label_new(sym->name);
 217
 218         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 219                                        GTK_POLICY_AUTOMATIC,
 220                                        GTK_POLICY_AUTOMATIC);
 221
 222         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
 223                                  tab_label);
 224
 225         perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt);
 226         return 0;
 227 }
 228
 229 int hist_entry__gtk_annotate(struct hist_entry *he,
 230                              struct perf_evsel *evsel,
 231                              struct hist_browser_timer *hbt)
 232 {
 233         return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt);
 234 }
 235
 236 void perf_gtk__show_annotations(void)
 237 {
 238         GtkWidget *window;
 239
 240         if (!perf_gtk__is_active_context(pgctx))
 241                 return;
 242
 243         window = pgctx->main_window;
 244         gtk_widget_show_all(window);
 245
 246         perf_gtk__resize_window(window);
 247         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 248
 249         gtk_main();
 250
 251         perf_gtk__deactivate_context(&pgctx);
 252 }