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

   1 #include "../evlist.h"
   2 #include "../cache.h"
   3 #include "../evsel.h"
   4 #include "../sort.h"
   5 #include "../hist.h"
   6 #include "../helpline.h"
   7 #include "gtk.h"
   8
   9 #define MAX_COLUMNS                     32
  10
  11 static int __percent_color_snprintf(struct perf_hpp *hpp, const char *fmt, ...)
  12 {
  13         int ret = 0;
  14         int len;
  15         va_list args;
  16         double percent;
  17         const char *markup;
  18         char *buf = hpp->buf;
  19         size_t size = hpp->size;
  20
  21         va_start(args, fmt);
  22         len = va_arg(args, int);
  23         percent = va_arg(args, double);
  24         va_end(args);
  25
  26         markup = perf_gtk__get_percent_color(percent);
  27         if (markup)
  28                 ret += scnprintf(buf, size, markup);
  29
  30         ret += scnprintf(buf + ret, size - ret, fmt, len, percent);
  31
  32         if (markup)
  33                 ret += scnprintf(buf + ret, size - ret, "</span>");
  34
  35         return ret;
  36 }
  37
  38 #define __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
  39 static u64 he_get_##_field(struct hist_entry *he)                               \
  40 {                                                                               \
  41         return he->stat._field;                                                 \
  42 }                                                                               \
  43                                                                                 \
  44 static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt,                \
  45                                        struct perf_hpp *hpp,                    \
  46                                        struct hist_entry *he)                   \
  47 {                                                                               \
  48         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
  49                         __percent_color_snprintf, true);                        \
  50 }
  51
  52 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
  53 static u64 he_get_acc_##_field(struct hist_entry *he)                           \
  54 {                                                                               \
  55         return he->stat_acc->_field;                                            \
  56 }                                                                               \
  57                                                                                 \
  58 static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
  59                                        struct perf_hpp *hpp,                    \
  60                                        struct hist_entry *he)                   \
  61 {                                                                               \
  62         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
  63                             __percent_color_snprintf, true);                    \
  64 }
  65
  66 __HPP_COLOR_PERCENT_FN(overhead, period)
  67 __HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
  68 __HPP_COLOR_PERCENT_FN(overhead_us, period_us)
  69 __HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
  70 __HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
  71 __HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period)
  72
  73 #undef __HPP_COLOR_PERCENT_FN
  74
  75
  76 void perf_gtk__init_hpp(void)
  77 {
  78         perf_hpp__format[PERF_HPP__OVERHEAD].color =
  79                                 perf_gtk__hpp_color_overhead;
  80         perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
  81                                 perf_gtk__hpp_color_overhead_sys;
  82         perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
  83                                 perf_gtk__hpp_color_overhead_us;
  84         perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
  85                                 perf_gtk__hpp_color_overhead_guest_sys;
  86         perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
  87                                 perf_gtk__hpp_color_overhead_guest_us;
  88         perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color =
  89                                 perf_gtk__hpp_color_overhead_acc;
  90 }
  91
  92 static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
  93                                     GtkTreeIter *parent, int col, u64 total)
  94 {
  95         struct rb_node *nd;
  96         bool has_single_node = (rb_first(root) == rb_last(root));
  97
  98         for (nd = rb_first(root); nd; nd = rb_next(nd)) {
  99                 struct callchain_node *node;
 100                 struct callchain_list *chain;
 101                 GtkTreeIter iter, new_parent;
 102                 bool need_new_parent;
 103                 double percent;
 104                 u64 hits, child_total;
 105
 106                 node = rb_entry(nd, struct callchain_node, rb_node);
 107
 108                 hits = callchain_cumul_hits(node);
 109                 percent = 100.0 * hits / total;
 110
 111                 new_parent = *parent;
 112                 need_new_parent = !has_single_node && (node->val_nr > 1);
 113
 114                 list_for_each_entry(chain, &node->val, list) {
 115                         char buf[128];
 116
 117                         gtk_tree_store_append(store, &iter, &new_parent);
 118
 119                         scnprintf(buf, sizeof(buf), "%5.2f%%", percent);
 120                         gtk_tree_store_set(store, &iter, 0, buf, -1);
 121
 122                         callchain_list__sym_name(chain, buf, sizeof(buf), false);
 123                         gtk_tree_store_set(store, &iter, col, buf, -1);
 124
 125                         if (need_new_parent) {
 126                                 /*
 127                                  * Only show the top-most symbol in a callchain
 128                                  * if it's not the only callchain.
 129                                  */
 130                                 new_parent = iter;
 131                                 need_new_parent = false;
 132                         }
 133                 }
 134
 135                 if (callchain_param.mode == CHAIN_GRAPH_REL)
 136                         child_total = node->children_hit;
 137                 else
 138                         child_total = total;
 139
 140                 /* Now 'iter' contains info of the last callchain_list */
 141                 perf_gtk__add_callchain(&node->rb_root, store, &iter, col,
 142                                         child_total);
 143         }
 144 }
 145
 146 static void on_row_activated(GtkTreeView *view, GtkTreePath *path,
 147                              GtkTreeViewColumn *col __maybe_unused,
 148                              gpointer user_data __maybe_unused)
 149 {
 150         bool expanded = gtk_tree_view_row_expanded(view, path);
 151
 152         if (expanded)
 153                 gtk_tree_view_collapse_row(view, path);
 154         else
 155                 gtk_tree_view_expand_row(view, path, FALSE);
 156 }
 157
 158 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
 159                                  float min_pcnt)
 160 {
 161         struct perf_hpp_fmt *fmt;
 162         GType col_types[MAX_COLUMNS];
 163         GtkCellRenderer *renderer;
 164         GtkTreeStore *store;
 165         struct rb_node *nd;
 166         GtkWidget *view;
 167         int col_idx;
 168         int sym_col = -1;
 169         int nr_cols;
 170         char s[512];
 171
 172         struct perf_hpp hpp = {
 173                 .buf            = s,
 174                 .size           = sizeof(s),
 175         };
 176
 177         nr_cols = 0;
 178
 179         perf_hpp__for_each_format(fmt)
 180                 col_types[nr_cols++] = G_TYPE_STRING;
 181
 182         store = gtk_tree_store_newv(nr_cols, col_types);
 183
 184         view = gtk_tree_view_new();
 185
 186         renderer = gtk_cell_renderer_text_new();
 187
 188         col_idx = 0;
 189
 190         perf_hpp__for_each_format(fmt) {
 191                 if (perf_hpp__should_skip(fmt))
 192                         continue;
 193
 194                 /*
 195                  * XXX no way to determine where symcol column is..
 196                  *     Just use last column for now.
 197                  */
 198                 if (perf_hpp__is_sort_entry(fmt))
 199                         sym_col = col_idx;
 200
 201                 gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 202                                                             -1, fmt->name,
 203                                                             renderer, "markup",
 204                                                             col_idx++, NULL);
 205         }
 206
 207         for (col_idx = 0; col_idx < nr_cols; col_idx++) {
 208                 GtkTreeViewColumn *column;
 209
 210                 column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
 211                 gtk_tree_view_column_set_resizable(column, TRUE);
 212
 213                 if (col_idx == sym_col) {
 214                         gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
 215                                                           column);
 216                 }
 217         }
 218
 219         gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
 220
 221         g_object_unref(GTK_TREE_MODEL(store));
 222
 223         for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
 224                 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
 225                 GtkTreeIter iter;
 226                 u64 total = hists__total_period(h->hists);
 227                 float percent;
 228
 229                 if (h->filtered)
 230                         continue;
 231
 232                 percent = hist_entry__get_percent_limit(h);
 233                 if (percent < min_pcnt)
 234                         continue;
 235
 236                 gtk_tree_store_append(store, &iter, NULL);
 237
 238                 col_idx = 0;
 239
 240                 perf_hpp__for_each_format(fmt) {
 241                         if (perf_hpp__should_skip(fmt))
 242                                 continue;
 243
 244                         if (fmt->color)
 245                                 fmt->color(fmt, &hpp, h);
 246                         else
 247                                 fmt->entry(fmt, &hpp, h);
 248
 249                         gtk_tree_store_set(store, &iter, col_idx++, s, -1);
 250                 }
 251
 252                 if (symbol_conf.use_callchain && sort__has_sym) {
 253                         if (callchain_param.mode == CHAIN_GRAPH_REL)
 254                                 total = symbol_conf.cumulate_callchain ?
 255                                         h->stat_acc->period : h->stat.period;
 256
 257                         perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
 258                                                 sym_col, total);
 259                 }
 260         }
 261
 262         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
 263
 264         g_signal_connect(view, "row-activated",
 265                          G_CALLBACK(on_row_activated), NULL);
 266         gtk_container_add(GTK_CONTAINER(window), view);
 267 }
 268
 269 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
 270                                   const char *help,
 271                                   struct hist_browser_timer *hbt __maybe_unused,
 272                                   float min_pcnt)
 273 {
 274         struct perf_evsel *pos;
 275         GtkWidget *vbox;
 276         GtkWidget *notebook;
 277         GtkWidget *info_bar;
 278         GtkWidget *statbar;
 279         GtkWidget *window;
 280
 281         signal(SIGSEGV, perf_gtk__signal);
 282         signal(SIGFPE,  perf_gtk__signal);
 283         signal(SIGINT,  perf_gtk__signal);
 284         signal(SIGQUIT, perf_gtk__signal);
 285         signal(SIGTERM, perf_gtk__signal);
 286
 287         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 288
 289         gtk_window_set_title(GTK_WINDOW(window), "perf report");
 290
 291         g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 292
 293         pgctx = perf_gtk__activate_context(window);
 294         if (!pgctx)
 295                 return -1;
 296
 297         vbox = gtk_vbox_new(FALSE, 0);
 298
 299         notebook = gtk_notebook_new();
 300
 301         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 302
 303         info_bar = perf_gtk__setup_info_bar();
 304         if (info_bar)
 305                 gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);
 306
 307         statbar = perf_gtk__setup_statusbar();
 308         gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 309
 310         gtk_container_add(GTK_CONTAINER(window), vbox);
 311
 312         evlist__for_each(evlist, pos) {
 313                 struct hists *hists = evsel__hists(pos);
 314                 const char *evname = perf_evsel__name(pos);
 315                 GtkWidget *scrolled_window;
 316                 GtkWidget *tab_label;
 317                 char buf[512];
 318                 size_t size = sizeof(buf);
 319
 320                 if (symbol_conf.event_group) {
 321                         if (!perf_evsel__is_group_leader(pos))
 322                                 continue;
 323
 324                         if (pos->nr_members > 1) {
 325                                 perf_evsel__group_desc(pos, buf, size);
 326                                 evname = buf;
 327                         }
 328                 }
 329
 330                 scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 331
 332                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 333                                                         GTK_POLICY_AUTOMATIC,
 334                                                         GTK_POLICY_AUTOMATIC);
 335
 336                 perf_gtk__show_hists(scrolled_window, hists, min_pcnt);
 337
 338                 tab_label = gtk_label_new(evname);
 339
 340                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
 341         }
 342
 343         gtk_widget_show_all(window);
 344
 345         perf_gtk__resize_window(window);
 346
 347         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 348
 349         ui_helpline__push(help);
 350
 351         gtk_main();
 352
 353         perf_gtk__deactivate_context(&pgctx);
 354
 355         return 0;
 356 }