tools/perf/ui/gtk/annotate.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "gtk.h"
   3 #include "util/debug.h"
   4 #include "util/annotate.h"
   5 #include "util/evsel.h"
   6 #include "ui/helpline.h"
   7 #include <inttypes.h>
   8 #include <signal.h>
   9
  10 enum {
  11         ANN_COL__PERCENT,
  12         ANN_COL__OFFSET,
  13         ANN_COL__LINE,
  14
  15         MAX_ANN_COLS
  16 };
  17
  18 static const char *const col_names[] = {
  19         "Overhead",
  20         "Offset",
  21         "Line"
  22 };
  23
  24 static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
  25                                  struct disasm_line *dl, int evidx)
  26 {
  27         struct sym_hist *symhist;
  28         double percent = 0.0;
  29         const char *markup;
  30         int ret = 0;
  31
  32         strcpy(buf, "");
  33
  34         if (dl->al.offset == (s64) -1)
  35                 return 0;
  36
  37         symhist = annotation__histogram(symbol__annotation(sym), evidx);
  38         if (!symbol_conf.event_group && !symhist->addr[dl->al.offset].nr_samples)
  39                 return 0;
  40
  41         percent = 100.0 * symhist->addr[dl->al.offset].nr_samples / symhist->nr_samples;
  42
  43         markup = perf_gtk__get_percent_color(percent);
  44         if (markup)
  45                 ret += scnprintf(buf, size, "%s", markup);
  46         ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
  47         if (markup)
  48                 ret += scnprintf(buf + ret, size - ret, "</span>");
  49
  50         return ret;
  51 }
  52
  53 static int perf_gtk__get_offset(char *buf, size_t size, struct symbol *sym,
  54                                 struct map *map, struct disasm_line *dl)
  55 {
  56         u64 start = map__rip_2objdump(map, sym->start);
  57
  58         strcpy(buf, "");
  59
  60         if (dl->al.offset == (s64) -1)
  61                 return 0;
  62
  63         return scnprintf(buf, size, "%"PRIx64, start + dl->al.offset);
  64 }
  65
  66 static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
  67 {
  68         int ret = 0;
  69         char *line = g_markup_escape_text(dl->al.line, -1);
  70         const char *markup = "<span fgcolor='gray'>";
  71
  72         strcpy(buf, "");
  73
  74         if (!line)
  75                 return 0;
  76
  77         if (dl->al.offset != (s64) -1)
  78                 markup = NULL;
  79
  80         if (markup)
  81                 ret += scnprintf(buf, size, "%s", markup);
  82         ret += scnprintf(buf + ret, size - ret, "%s", line);
  83         if (markup)
  84                 ret += scnprintf(buf + ret, size - ret, "</span>");
  85
  86         g_free(line);
  87         return ret;
  88 }
  89
  90 static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
  91                                 struct map *map, struct perf_evsel *evsel,
  92                                 struct hist_browser_timer *hbt __maybe_unused)
  93 {
  94         struct disasm_line *pos, *n;
  95         struct annotation *notes;
  96         GType col_types[MAX_ANN_COLS];
  97         GtkCellRenderer *renderer;
  98         GtkListStore *store;
  99         GtkWidget *view;
 100         int i;
 101         char s[512];
 102
 103         notes = symbol__annotation(sym);
 104
 105         for (i = 0; i < MAX_ANN_COLS; i++) {
 106                 col_types[i] = G_TYPE_STRING;
 107         }
 108         store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
 109
 110         view = gtk_tree_view_new();
 111         renderer = gtk_cell_renderer_text_new();
 112
 113         for (i = 0; i < MAX_ANN_COLS; i++) {
 114                 gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 115                                         -1, col_names[i], renderer, "markup",
 116                                         i, NULL);
 117         }
 118
 119         gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
 120         g_object_unref(GTK_TREE_MODEL(store));
 121
 122         list_for_each_entry(pos, &notes->src->source, al.node) {
 123                 GtkTreeIter iter;
 124                 int ret = 0;
 125
 126                 gtk_list_store_append(store, &iter);
 127
 128                 if (perf_evsel__is_group_event(evsel)) {
 129                         for (i = 0; i < evsel->nr_members; i++) {
 130                                 ret += perf_gtk__get_percent(s + ret,
 131                                                              sizeof(s) - ret,
 132                                                              sym, pos,
 133                                                              evsel->idx + i);
 134                                 ret += scnprintf(s + ret, sizeof(s) - ret, " ");
 135                         }
 136                 } else {
 137                         ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
 138                                                     evsel->idx);
 139                 }
 140
 141                 if (ret)
 142                         gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
 143                 if (perf_gtk__get_offset(s, sizeof(s), sym, map, pos))
 144                         gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
 145                 if (perf_gtk__get_line(s, sizeof(s), pos))
 146                         gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
 147         }
 148
 149         gtk_container_add(GTK_CONTAINER(window), view);
 150
 151         list_for_each_entry_safe(pos, n, &notes->src->source, al.node) {
 152                 list_del(&pos->al.node);
 153                 disasm_line__free(pos);
 154         }
 155
 156         return 0;
 157 }
 158
 159 static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
 160                                 struct perf_evsel *evsel,
 161                                 struct hist_browser_timer *hbt)
 162 {
 163         GtkWidget *window;
 164         GtkWidget *notebook;
 165         GtkWidget *scrolled_window;
 166         GtkWidget *tab_label;
 167         int err;
 168
 169         if (map->dso->annotate_warned)
 170                 return -1;
 171
 172         err = symbol__annotate(sym, map, evsel, 0, NULL);
 173         if (err) {
 174                 char msg[BUFSIZ];
 175                 symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
 176                 ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
 177                 return -1;
 178         }
 179
 180         symbol__calc_percent(sym, evsel);
 181
 182         if (perf_gtk__is_active_context(pgctx)) {
 183                 window = pgctx->main_window;
 184                 notebook = pgctx->notebook;
 185         } else {
 186                 GtkWidget *vbox;
 187                 GtkWidget *infobar;
 188                 GtkWidget *statbar;
 189
 190                 signal(SIGSEGV, perf_gtk__signal);
 191                 signal(SIGFPE,  perf_gtk__signal);
 192                 signal(SIGINT,  perf_gtk__signal);
 193                 signal(SIGQUIT, perf_gtk__signal);
 194                 signal(SIGTERM, perf_gtk__signal);
 195
 196                 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 197                 gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
 198
 199                 g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 200
 201                 pgctx = perf_gtk__activate_context(window);
 202                 if (!pgctx)
 203                         return -1;
 204
 205                 vbox = gtk_vbox_new(FALSE, 0);
 206                 notebook = gtk_notebook_new();
 207                 pgctx->notebook = notebook;
 208
 209                 gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 210
 211                 infobar = perf_gtk__setup_info_bar();
 212                 if (infobar) {
 213                         gtk_box_pack_start(GTK_BOX(vbox), infobar,
 214                                            FALSE, FALSE, 0);
 215                 }
 216
 217                 statbar = perf_gtk__setup_statusbar();
 218                 gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 219
 220                 gtk_container_add(GTK_CONTAINER(window), vbox);
 221         }
 222
 223         scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 224         tab_label = gtk_label_new(sym->name);
 225
 226         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 227                                        GTK_POLICY_AUTOMATIC,
 228                                        GTK_POLICY_AUTOMATIC);
 229
 230         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
 231                                  tab_label);
 232
 233         perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt);
 234         return 0;
 235 }
 236
 237 int hist_entry__gtk_annotate(struct hist_entry *he,
 238                              struct perf_evsel *evsel,
 239                              struct hist_browser_timer *hbt)
 240 {
 241         return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt);
 242 }
 243
 244 void perf_gtk__show_annotations(void)
 245 {
 246         GtkWidget *window;
 247
 248         if (!perf_gtk__is_active_context(pgctx))
 249                 return;
 250
 251         window = pgctx->main_window;
 252         gtk_widget_show_all(window);
 253
 254         perf_gtk__resize_window(window);
 255         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 256
 257         gtk_main();
 258
 259         perf_gtk__deactivate_context(&pgctx);
 260 }