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/symbol.h"
   9 #include "ui/helpline.h"
  10 #include <inttypes.h>
  11 #include <signal.h>
  12
  13 enum {
  14         ANN_COL__PERCENT,
  15         ANN_COL__OFFSET,
  16         ANN_COL__LINE,
  17
  18         MAX_ANN_COLS
  19 };
  20
  21 static const char *const col_names[] = {
  22         "Overhead",
  23         "Offset",
  24         "Line"
  25 };
  26
  27 static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
  28                                  struct disasm_line *dl, int evidx)
  29 {
  30         struct sym_hist *symhist;
  31         double percent = 0.0;
  32         const char *markup;
  33         int ret = 0;
  34
  35         strcpy(buf, "");
  36
  37         if (dl->al.offset == (s64) -1)
  38                 return 0;
  39
  40         symhist = annotation__histogram(symbol__annotation(sym), evidx);
  41         if (!symbol_conf.event_group && !symhist->addr[dl->al.offset].nr_samples)
  42                 return 0;
  43
  44         percent = 100.0 * symhist->addr[dl->al.offset].nr_samples / symhist->nr_samples;
  45
  46         markup = perf_gtk__get_percent_color(percent);
  47         if (markup)
  48                 ret += scnprintf(buf, size, "%s", markup);
  49         ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
  50         if (markup)
  51                 ret += scnprintf(buf + ret, size - ret, "</span>");
  52
  53         return ret;
  54 }
  55
  56 static int perf_gtk__get_offset(char *buf, size_t size, struct symbol *sym,
  57                                 struct map *map, struct disasm_line *dl)
  58 {
  59         u64 start = map__rip_2objdump(map, sym->start);
  60
  61         strcpy(buf, "");
  62
  63         if (dl->al.offset == (s64) -1)
  64                 return 0;
  65
  66         return scnprintf(buf, size, "%"PRIx64, start + dl->al.offset);
  67 }
  68
  69 static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
  70 {
  71         int ret = 0;
  72         char *line = g_markup_escape_text(dl->al.line, -1);
  73         const char *markup = "<span fgcolor='gray'>";
  74
  75         strcpy(buf, "");
  76
  77         if (!line)
  78                 return 0;
  79
  80         if (dl->al.offset != (s64) -1)
  81                 markup = NULL;
  82
  83         if (markup)
  84                 ret += scnprintf(buf, size, "%s", markup);
  85         ret += scnprintf(buf + ret, size - ret, "%s", line);
  86         if (markup)
  87                 ret += scnprintf(buf + ret, size - ret, "</span>");
  88
  89         g_free(line);
  90         return ret;
  91 }
  92
  93 static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
  94                                 struct map *map, struct perf_evsel *evsel,
  95                                 struct hist_browser_timer *hbt __maybe_unused)
  96 {
  97         struct disasm_line *pos, *n;
  98         struct annotation *notes;
  99         GType col_types[MAX_ANN_COLS];
 100         GtkCellRenderer *renderer;
 101         GtkListStore *store;
 102         GtkWidget *view;
 103         int i;
 104         char s[512];
 105
 106         notes = symbol__annotation(sym);
 107
 108         for (i = 0; i < MAX_ANN_COLS; i++) {
 109                 col_types[i] = G_TYPE_STRING;
 110         }
 111         store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
 112
 113         view = gtk_tree_view_new();
 114         renderer = gtk_cell_renderer_text_new();
 115
 116         for (i = 0; i < MAX_ANN_COLS; i++) {
 117                 gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 118                                         -1, col_names[i], renderer, "markup",
 119                                         i, NULL);
 120         }
 121
 122         gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
 123         g_object_unref(GTK_TREE_MODEL(store));
 124
 125         list_for_each_entry(pos, &notes->src->source, al.node) {
 126                 GtkTreeIter iter;
 127                 int ret = 0;
 128
 129                 gtk_list_store_append(store, &iter);
 130
 131                 if (perf_evsel__is_group_event(evsel)) {
 132                         for (i = 0; i < evsel->nr_members; i++) {
 133                                 ret += perf_gtk__get_percent(s + ret,
 134                                                              sizeof(s) - ret,
 135                                                              sym, pos,
 136                                                              evsel->idx + i);
 137                                 ret += scnprintf(s + ret, sizeof(s) - ret, " ");
 138                         }
 139                 } else {
 140                         ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
 141                                                     evsel->idx);
 142                 }
 143
 144                 if (ret)
 145                         gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
 146                 if (perf_gtk__get_offset(s, sizeof(s), sym, map, pos))
 147                         gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
 148                 if (perf_gtk__get_line(s, sizeof(s), pos))
 149                         gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
 150         }
 151
 152         gtk_container_add(GTK_CONTAINER(window), view);
 153
 154         list_for_each_entry_safe(pos, n, &notes->src->source, al.node) {
 155                 list_del_init(&pos->al.node);
 156                 disasm_line__free(pos);
 157         }
 158
 159         return 0;
 160 }
 161
 162 static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
 163                                 struct perf_evsel *evsel,
 164                                 struct hist_browser_timer *hbt)
 165 {
 166         GtkWidget *window;
 167         GtkWidget *notebook;
 168         GtkWidget *scrolled_window;
 169         GtkWidget *tab_label;
 170         int err;
 171
 172         if (map->dso->annotate_warned)
 173                 return -1;
 174
 175         err = symbol__annotate(sym, map, evsel, 0, &annotation__default_options, NULL);
 176         if (err) {
 177                 char msg[BUFSIZ];
 178                 symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
 179                 ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
 180                 return -1;
 181         }
 182
 183         symbol__calc_percent(sym, evsel);
 184
 185         if (perf_gtk__is_active_context(pgctx)) {
 186                 window = pgctx->main_window;
 187                 notebook = pgctx->notebook;
 188         } else {
 189                 GtkWidget *vbox;
 190                 GtkWidget *infobar;
 191                 GtkWidget *statbar;
 192
 193                 signal(SIGSEGV, perf_gtk__signal);
 194                 signal(SIGFPE,  perf_gtk__signal);
 195                 signal(SIGINT,  perf_gtk__signal);
 196                 signal(SIGQUIT, perf_gtk__signal);
 197                 signal(SIGTERM, perf_gtk__signal);
 198
 199                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 200                 gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
 201
 202                 g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 203
 204                 pgctx = perf_gtk__activate_context(window);
 205                 if (!pgctx)
 206                         return -1;
 207
 208                 vbox = gtk_vbox_new(FALSE, 0);
 209                 notebook = gtk_notebook_new();
 210                 pgctx->notebook = notebook;
 211
 212                 gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 213
 214                 infobar = perf_gtk__setup_info_bar();
 215                 if (infobar) {
 216                         gtk_box_pack_start(GTK_BOX(vbox), infobar,
 217                                            FALSE, FALSE, 0);
 218                 }
 219
 220                 statbar = perf_gtk__setup_statusbar();
 221                 gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 222
 223                 gtk_container_add(GTK_CONTAINER(window), vbox);
 224         }
 225
 226         scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 227         tab_label = gtk_label_new(sym->name);
 228
 229         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 230                                        GTK_POLICY_AUTOMATIC,
 231                                        GTK_POLICY_AUTOMATIC);
 232
 233         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
 234                                  tab_label);
 235
 236         perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt);
 237         return 0;
 238 }
 239
 240 int hist_entry__gtk_annotate(struct hist_entry *he,
 241                              struct perf_evsel *evsel,
 242                              struct hist_browser_timer *hbt)
 243 {
 244         return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt);
 245 }
 246
 247 void perf_gtk__show_annotations(void)
 248 {
 249         GtkWidget *window;
 250
 251         if (!perf_gtk__is_active_context(pgctx))
 252                 return;
 253
 254         window = pgctx->main_window;
 255         gtk_widget_show_all(window);
 256
 257         perf_gtk__resize_window(window);
 258         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 259
 260         gtk_main();
 261
 262         perf_gtk__deactivate_context(&pgctx);
 263 }