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         va_list args;
  15         double percent;
  16         const char *markup;
  17         char *buf = hpp->buf;
  18         size_t size = hpp->size;
  19
  20         va_start(args, fmt);
  21         percent = va_arg(args, double);
  22         va_end(args);
  23
  24         markup = perf_gtk__get_percent_color(percent);
  25         if (markup)
  26                 ret += scnprintf(buf, size, markup);
  27
  28         ret += scnprintf(buf + ret, size - ret, fmt, percent);
  29
  30         if (markup)
  31                 ret += scnprintf(buf + ret, size - ret, "</span>");
  32
  33         return ret;
  34 }
  35
  36 #define __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
  37 static u64 he_get_##_field(struct hist_entry *he)                               \
  38 {                                                                               \
  39         return he->stat._field;                                                 \
  40 }                                                                               \
  41                                                                                 \
  42 static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
  43                                        struct perf_hpp *hpp,                    \
  44                                        struct hist_entry *he)                   \
  45 {                                                                               \
  46         return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%",                 \
  47                           __percent_color_snprintf, true);                      \
  48 }
  49
  50 __HPP_COLOR_PERCENT_FN(overhead, period)
  51 __HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
  52 __HPP_COLOR_PERCENT_FN(overhead_us, period_us)
  53 __HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
  54 __HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
  55
  56 #undef __HPP_COLOR_PERCENT_FN
  57
  58
  59 void perf_gtk__init_hpp(void)
  60 {
  61         perf_hpp__format[PERF_HPP__OVERHEAD].color =
  62                                 perf_gtk__hpp_color_overhead;
  63         perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
  64                                 perf_gtk__hpp_color_overhead_sys;
  65         perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
  66                                 perf_gtk__hpp_color_overhead_us;
  67         perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
  68                                 perf_gtk__hpp_color_overhead_guest_sys;
  69         perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
  70                                 perf_gtk__hpp_color_overhead_guest_us;
  71 }
  72
  73 static void callchain_list__sym_name(struct callchain_list *cl,
  74                                      char *bf, size_t bfsize)
  75 {
  76         if (cl->ms.sym)
  77                 scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
  78         else
  79                 scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
  80 }
  81
  82 static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
  83                                     GtkTreeIter *parent, int col, u64 total)
  84 {
  85         struct rb_node *nd;
  86         bool has_single_node = (rb_first(root) == rb_last(root));
  87
  88         for (nd = rb_first(root); nd; nd = rb_next(nd)) {
  89                 struct callchain_node *node;
  90                 struct callchain_list *chain;
  91                 GtkTreeIter iter, new_parent;
  92                 bool need_new_parent;
  93                 double percent;
  94                 u64 hits, child_total;
  95
  96                 node = rb_entry(nd, struct callchain_node, rb_node);
  97
  98                 hits = callchain_cumul_hits(node);
  99                 percent = 100.0 * hits / total;
 100
 101                 new_parent = *parent;
 102                 need_new_parent = !has_single_node && (node->val_nr > 1);
 103
 104                 list_for_each_entry(chain, &node->val, list) {
 105                         char buf[128];
 106
 107                         gtk_tree_store_append(store, &iter, &new_parent);
 108
 109                         scnprintf(buf, sizeof(buf), "%5.2f%%", percent);
 110                         gtk_tree_store_set(store, &iter, 0, buf, -1);
 111
 112                         callchain_list__sym_name(chain, buf, sizeof(buf));
 113                         gtk_tree_store_set(store, &iter, col, buf, -1);
 114
 115                         if (need_new_parent) {
 116                                 /*
 117                                  * Only show the top-most symbol in a callchain
 118                                  * if it's not the only callchain.
 119                                  */
 120                                 new_parent = iter;
 121                                 need_new_parent = false;
 122                         }
 123                 }
 124
 125                 if (callchain_param.mode == CHAIN_GRAPH_REL)
 126                         child_total = node->children_hit;
 127                 else
 128                         child_total = total;
 129
 130                 /* Now 'iter' contains info of the last callchain_list */
 131                 perf_gtk__add_callchain(&node->rb_root, store, &iter, col,
 132                                         child_total);
 133         }
 134 }
 135
 136 static void on_row_activated(GtkTreeView *view, GtkTreePath *path,
 137                              GtkTreeViewColumn *col __maybe_unused,
 138                              gpointer user_data __maybe_unused)
 139 {
 140         bool expanded = gtk_tree_view_row_expanded(view, path);
 141
 142         if (expanded)
 143                 gtk_tree_view_collapse_row(view, path);
 144         else
 145                 gtk_tree_view_expand_row(view, path, FALSE);
 146 }
 147
 148 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
 149                                  float min_pcnt)
 150 {
 151         struct perf_hpp_fmt *fmt;
 152         GType col_types[MAX_COLUMNS];
 153         GtkCellRenderer *renderer;
 154         GtkTreeStore *store;
 155         struct rb_node *nd;
 156         GtkWidget *view;
 157         int col_idx;
 158         int sym_col = -1;
 159         int nr_cols;
 160         char s[512];
 161
 162         struct perf_hpp hpp = {
 163                 .buf            = s,
 164                 .size           = sizeof(s),
 165         };
 166
 167         nr_cols = 0;
 168
 169         perf_hpp__for_each_format(fmt)
 170                 col_types[nr_cols++] = G_TYPE_STRING;
 171
 172         store = gtk_tree_store_newv(nr_cols, col_types);
 173
 174         view = gtk_tree_view_new();
 175
 176         renderer = gtk_cell_renderer_text_new();
 177
 178         col_idx = 0;
 179
 180         perf_hpp__for_each_format(fmt) {
 181                 if (perf_hpp__should_skip(fmt))
 182                         continue;
 183
 184                 fmt->header(fmt, &hpp, hists_to_evsel(hists));
 185
 186                 gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 187                                                             -1, ltrim(s),
 188                                                             renderer, "markup",
 189                                                             col_idx++, NULL);
 190         }
 191
 192         for (col_idx = 0; col_idx < nr_cols; col_idx++) {
 193                 GtkTreeViewColumn *column;
 194
 195                 column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
 196                 gtk_tree_view_column_set_resizable(column, TRUE);
 197
 198                 if (col_idx == sym_col) {
 199                         gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
 200                                                           column);
 201                 }
 202         }
 203
 204         gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
 205
 206         g_object_unref(GTK_TREE_MODEL(store));
 207
 208         for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
 209                 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
 210                 GtkTreeIter iter;
 211                 u64 total = hists__total_period(h->hists);
 212                 float percent = 0.0;
 213
 214                 if (h->filtered)
 215                         continue;
 216
 217                 if (total)
 218                         percent = h->stat.period * 100.0 / total;
 219
 220                 if (percent < min_pcnt)
 221                         continue;
 222
 223                 gtk_tree_store_append(store, &iter, NULL);
 224
 225                 col_idx = 0;
 226
 227                 perf_hpp__for_each_format(fmt) {
 228                         if (perf_hpp__should_skip(fmt))
 229                                 continue;
 230
 231                         if (fmt->color)
 232                                 fmt->color(fmt, &hpp, h);
 233                         else
 234                                 fmt->entry(fmt, &hpp, h);
 235
 236                         gtk_tree_store_set(store, &iter, col_idx++, s, -1);
 237                 }
 238
 239                 if (symbol_conf.use_callchain && sort__has_sym) {
 240                         if (callchain_param.mode == CHAIN_GRAPH_REL)
 241                                 total = h->stat.period;
 242
 243                         perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
 244                                                 sym_col, total);
 245                 }
 246         }
 247
 248         gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
 249
 250         g_signal_connect(view, "row-activated",
 251                          G_CALLBACK(on_row_activated), NULL);
 252         gtk_container_add(GTK_CONTAINER(window), view);
 253 }
 254
 255 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
 256                                   const char *help,
 257                                   struct hist_browser_timer *hbt __maybe_unused,
 258                                   float min_pcnt)
 259 {
 260         struct perf_evsel *pos;
 261         GtkWidget *vbox;
 262         GtkWidget *notebook;
 263         GtkWidget *info_bar;
 264         GtkWidget *statbar;
 265         GtkWidget *window;
 266
 267         signal(SIGSEGV, perf_gtk__signal);
 268         signal(SIGFPE,  perf_gtk__signal);
 269         signal(SIGINT,  perf_gtk__signal);
 270         signal(SIGQUIT, perf_gtk__signal);
 271         signal(SIGTERM, perf_gtk__signal);
 272
 273         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 274
 275         gtk_window_set_title(GTK_WINDOW(window), "perf report");
 276
 277         g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 278
 279         pgctx = perf_gtk__activate_context(window);
 280         if (!pgctx)
 281                 return -1;
 282
 283         vbox = gtk_vbox_new(FALSE, 0);
 284
 285         notebook = gtk_notebook_new();
 286
 287         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 288
 289         info_bar = perf_gtk__setup_info_bar();
 290         if (info_bar)
 291                 gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);
 292
 293         statbar = perf_gtk__setup_statusbar();
 294         gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 295
 296         gtk_container_add(GTK_CONTAINER(window), vbox);
 297
 298         evlist__for_each(evlist, pos) {
 299                 struct hists *hists = &pos->hists;
 300                 const char *evname = perf_evsel__name(pos);
 301                 GtkWidget *scrolled_window;
 302                 GtkWidget *tab_label;
 303                 char buf[512];
 304                 size_t size = sizeof(buf);
 305
 306                 if (symbol_conf.event_group) {
 307                         if (!perf_evsel__is_group_leader(pos))
 308                                 continue;
 309
 310                         if (pos->nr_members > 1) {
 311                                 perf_evsel__group_desc(pos, buf, size);
 312                                 evname = buf;
 313                         }
 314                 }
 315
 316                 scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 317
 318                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 319                                                         GTK_POLICY_AUTOMATIC,
 320                                                         GTK_POLICY_AUTOMATIC);
 321
 322                 perf_gtk__show_hists(scrolled_window, hists, min_pcnt);
 323
 324                 tab_label = gtk_label_new(evname);
 325
 326                 gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
 327         }
 328
 329         gtk_widget_show_all(window);
 330
 331         perf_gtk__resize_window(window);
 332
 333         gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 334
 335         ui_helpline__push(help);
 336
 337         gtk_main();
 338
 339         perf_gtk__deactivate_context(&pgctx);
 340
 341         return 0;
 342 }