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0001 // SPDX-License-Identifier: GPL-2.0
0002 #include "../evlist.h"
0003 #include "../callchain.h"
0004 #include "../evsel.h"
0005 #include "../sort.h"
0006 #include "../hist.h"
0007 #include "../helpline.h"
0008 #include "../string2.h"
0009 #include "gtk.h"
0010 #include <signal.h>
0011 #include <stdlib.h>
0012 #include <linux/string.h>
0013 
0014 #define MAX_COLUMNS         32
0015 
0016 static int __percent_color_snprintf(struct perf_hpp *hpp, const char *fmt, ...)
0017 {
0018     int ret = 0;
0019     int len;
0020     va_list args;
0021     double percent;
0022     const char *markup;
0023     char *buf = hpp->buf;
0024     size_t size = hpp->size;
0025 
0026     va_start(args, fmt);
0027     len = va_arg(args, int);
0028     percent = va_arg(args, double);
0029     va_end(args);
0030 
0031     markup = perf_gtk__get_percent_color(percent);
0032     if (markup)
0033         ret += scnprintf(buf, size, markup);
0034 
0035     ret += scnprintf(buf + ret, size - ret, fmt, len, percent);
0036 
0037     if (markup)
0038         ret += scnprintf(buf + ret, size - ret, "</span>");
0039 
0040     return ret;
0041 }
0042 
0043 #define __HPP_COLOR_PERCENT_FN(_type, _field)                   \
0044 static u64 he_get_##_field(struct hist_entry *he)               \
0045 {                                       \
0046     return he->stat._field;                         \
0047 }                                       \
0048                                         \
0049 static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt,        \
0050                        struct perf_hpp *hpp,            \
0051                        struct hist_entry *he)           \
0052 {                                       \
0053     return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",      \
0054             __percent_color_snprintf, true);            \
0055 }
0056 
0057 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)               \
0058 static u64 he_get_acc_##_field(struct hist_entry *he)               \
0059 {                                       \
0060     return he->stat_acc->_field;                        \
0061 }                                       \
0062                                         \
0063 static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt,        \
0064                        struct perf_hpp *hpp,            \
0065                        struct hist_entry *he)           \
0066 {                                       \
0067     return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",  \
0068                 __percent_color_snprintf, true);            \
0069 }
0070 
0071 __HPP_COLOR_PERCENT_FN(overhead, period)
0072 __HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
0073 __HPP_COLOR_PERCENT_FN(overhead_us, period_us)
0074 __HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
0075 __HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
0076 __HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period)
0077 
0078 #undef __HPP_COLOR_PERCENT_FN
0079 
0080 
0081 void perf_gtk__init_hpp(void)
0082 {
0083     perf_hpp__format[PERF_HPP__OVERHEAD].color =
0084                 perf_gtk__hpp_color_overhead;
0085     perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
0086                 perf_gtk__hpp_color_overhead_sys;
0087     perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
0088                 perf_gtk__hpp_color_overhead_us;
0089     perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
0090                 perf_gtk__hpp_color_overhead_guest_sys;
0091     perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
0092                 perf_gtk__hpp_color_overhead_guest_us;
0093     perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color =
0094                 perf_gtk__hpp_color_overhead_acc;
0095 }
0096 
0097 static void perf_gtk__add_callchain_flat(struct rb_root *root, GtkTreeStore *store,
0098                      GtkTreeIter *parent, int col, u64 total)
0099 {
0100     struct rb_node *nd;
0101     bool has_single_node = (rb_first(root) == rb_last(root));
0102 
0103     for (nd = rb_first(root); nd; nd = rb_next(nd)) {
0104         struct callchain_node *node;
0105         struct callchain_list *chain;
0106         GtkTreeIter iter, new_parent;
0107         bool need_new_parent;
0108 
0109         node = rb_entry(nd, struct callchain_node, rb_node);
0110 
0111         new_parent = *parent;
0112         need_new_parent = !has_single_node;
0113 
0114         callchain_node__make_parent_list(node);
0115 
0116         list_for_each_entry(chain, &node->parent_val, list) {
0117             char buf[128];
0118 
0119             gtk_tree_store_append(store, &iter, &new_parent);
0120 
0121             callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
0122             gtk_tree_store_set(store, &iter, 0, buf, -1);
0123 
0124             callchain_list__sym_name(chain, buf, sizeof(buf), false);
0125             gtk_tree_store_set(store, &iter, col, buf, -1);
0126 
0127             if (need_new_parent) {
0128                 /*
0129                  * Only show the top-most symbol in a callchain
0130                  * if it's not the only callchain.
0131                  */
0132                 new_parent = iter;
0133                 need_new_parent = false;
0134             }
0135         }
0136 
0137         list_for_each_entry(chain, &node->val, list) {
0138             char buf[128];
0139 
0140             gtk_tree_store_append(store, &iter, &new_parent);
0141 
0142             callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
0143             gtk_tree_store_set(store, &iter, 0, buf, -1);
0144 
0145             callchain_list__sym_name(chain, buf, sizeof(buf), false);
0146             gtk_tree_store_set(store, &iter, col, buf, -1);
0147 
0148             if (need_new_parent) {
0149                 /*
0150                  * Only show the top-most symbol in a callchain
0151                  * if it's not the only callchain.
0152                  */
0153                 new_parent = iter;
0154                 need_new_parent = false;
0155             }
0156         }
0157     }
0158 }
0159 
0160 static void perf_gtk__add_callchain_folded(struct rb_root *root, GtkTreeStore *store,
0161                        GtkTreeIter *parent, int col, u64 total)
0162 {
0163     struct rb_node *nd;
0164 
0165     for (nd = rb_first(root); nd; nd = rb_next(nd)) {
0166         struct callchain_node *node;
0167         struct callchain_list *chain;
0168         GtkTreeIter iter;
0169         char buf[64];
0170         char *str, *str_alloc = NULL;
0171         bool first = true;
0172 
0173         node = rb_entry(nd, struct callchain_node, rb_node);
0174 
0175         callchain_node__make_parent_list(node);
0176 
0177         list_for_each_entry(chain, &node->parent_val, list) {
0178             char name[1024];
0179 
0180             callchain_list__sym_name(chain, name, sizeof(name), false);
0181 
0182             if (asprintf(&str, "%s%s%s",
0183                      first ? "" : str_alloc,
0184                      first ? "" : symbol_conf.field_sep ?: "; ",
0185                      name) < 0)
0186                 return;
0187 
0188             first = false;
0189             free(str_alloc);
0190             str_alloc = str;
0191         }
0192 
0193         list_for_each_entry(chain, &node->val, list) {
0194             char name[1024];
0195 
0196             callchain_list__sym_name(chain, name, sizeof(name), false);
0197 
0198             if (asprintf(&str, "%s%s%s",
0199                      first ? "" : str_alloc,
0200                      first ? "" : symbol_conf.field_sep ?: "; ",
0201                      name) < 0)
0202                 return;
0203 
0204             first = false;
0205             free(str_alloc);
0206             str_alloc = str;
0207         }
0208 
0209         gtk_tree_store_append(store, &iter, parent);
0210 
0211         callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
0212         gtk_tree_store_set(store, &iter, 0, buf, -1);
0213 
0214         gtk_tree_store_set(store, &iter, col, str, -1);
0215 
0216         free(str_alloc);
0217     }
0218 }
0219 
0220 static void perf_gtk__add_callchain_graph(struct rb_root *root, GtkTreeStore *store,
0221                       GtkTreeIter *parent, int col, u64 total)
0222 {
0223     struct rb_node *nd;
0224     bool has_single_node = (rb_first(root) == rb_last(root));
0225 
0226     for (nd = rb_first(root); nd; nd = rb_next(nd)) {
0227         struct callchain_node *node;
0228         struct callchain_list *chain;
0229         GtkTreeIter iter, new_parent;
0230         bool need_new_parent;
0231         u64 child_total;
0232 
0233         node = rb_entry(nd, struct callchain_node, rb_node);
0234 
0235         new_parent = *parent;
0236         need_new_parent = !has_single_node && (node->val_nr > 1);
0237 
0238         list_for_each_entry(chain, &node->val, list) {
0239             char buf[128];
0240 
0241             gtk_tree_store_append(store, &iter, &new_parent);
0242 
0243             callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
0244             gtk_tree_store_set(store, &iter, 0, buf, -1);
0245 
0246             callchain_list__sym_name(chain, buf, sizeof(buf), false);
0247             gtk_tree_store_set(store, &iter, col, buf, -1);
0248 
0249             if (need_new_parent) {
0250                 /*
0251                  * Only show the top-most symbol in a callchain
0252                  * if it's not the only callchain.
0253                  */
0254                 new_parent = iter;
0255                 need_new_parent = false;
0256             }
0257         }
0258 
0259         if (callchain_param.mode == CHAIN_GRAPH_REL)
0260             child_total = node->children_hit;
0261         else
0262             child_total = total;
0263 
0264         /* Now 'iter' contains info of the last callchain_list */
0265         perf_gtk__add_callchain_graph(&node->rb_root, store, &iter, col,
0266                           child_total);
0267     }
0268 }
0269 
0270 static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
0271                     GtkTreeIter *parent, int col, u64 total)
0272 {
0273     if (callchain_param.mode == CHAIN_FLAT)
0274         perf_gtk__add_callchain_flat(root, store, parent, col, total);
0275     else if (callchain_param.mode == CHAIN_FOLDED)
0276         perf_gtk__add_callchain_folded(root, store, parent, col, total);
0277     else
0278         perf_gtk__add_callchain_graph(root, store, parent, col, total);
0279 }
0280 
0281 static void on_row_activated(GtkTreeView *view, GtkTreePath *path,
0282                  GtkTreeViewColumn *col __maybe_unused,
0283                  gpointer user_data __maybe_unused)
0284 {
0285     bool expanded = gtk_tree_view_row_expanded(view, path);
0286 
0287     if (expanded)
0288         gtk_tree_view_collapse_row(view, path);
0289     else
0290         gtk_tree_view_expand_row(view, path, FALSE);
0291 }
0292 
0293 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
0294                  float min_pcnt)
0295 {
0296     struct perf_hpp_fmt *fmt;
0297     GType col_types[MAX_COLUMNS];
0298     GtkCellRenderer *renderer;
0299     GtkTreeStore *store;
0300     struct rb_node *nd;
0301     GtkWidget *view;
0302     int col_idx;
0303     int sym_col = -1;
0304     int nr_cols;
0305     char s[512];
0306 
0307     struct perf_hpp hpp = {
0308         .buf        = s,
0309         .size       = sizeof(s),
0310     };
0311 
0312     nr_cols = 0;
0313 
0314     hists__for_each_format(hists, fmt)
0315         col_types[nr_cols++] = G_TYPE_STRING;
0316 
0317     store = gtk_tree_store_newv(nr_cols, col_types);
0318 
0319     view = gtk_tree_view_new();
0320 
0321     renderer = gtk_cell_renderer_text_new();
0322 
0323     col_idx = 0;
0324 
0325     hists__for_each_format(hists, fmt) {
0326         if (perf_hpp__should_skip(fmt, hists))
0327             continue;
0328 
0329         /*
0330          * XXX no way to determine where symcol column is..
0331          *     Just use last column for now.
0332          */
0333         if (perf_hpp__is_sort_entry(fmt))
0334             sym_col = col_idx;
0335 
0336         gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
0337                                 -1, fmt->name,
0338                                 renderer, "markup",
0339                                 col_idx++, NULL);
0340     }
0341 
0342     for (col_idx = 0; col_idx < nr_cols; col_idx++) {
0343         GtkTreeViewColumn *column;
0344 
0345         column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
0346         gtk_tree_view_column_set_resizable(column, TRUE);
0347 
0348         if (col_idx == sym_col) {
0349             gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
0350                               column);
0351         }
0352     }
0353 
0354     gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
0355 
0356     g_object_unref(GTK_TREE_MODEL(store));
0357 
0358     for (nd = rb_first_cached(&hists->entries); nd; nd = rb_next(nd)) {
0359         struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
0360         GtkTreeIter iter;
0361         u64 total = hists__total_period(h->hists);
0362         float percent;
0363 
0364         if (h->filtered)
0365             continue;
0366 
0367         percent = hist_entry__get_percent_limit(h);
0368         if (percent < min_pcnt)
0369             continue;
0370 
0371         gtk_tree_store_append(store, &iter, NULL);
0372 
0373         col_idx = 0;
0374 
0375         hists__for_each_format(hists, fmt) {
0376             if (perf_hpp__should_skip(fmt, h->hists))
0377                 continue;
0378 
0379             if (fmt->color)
0380                 fmt->color(fmt, &hpp, h);
0381             else
0382                 fmt->entry(fmt, &hpp, h);
0383 
0384             gtk_tree_store_set(store, &iter, col_idx++, s, -1);
0385         }
0386 
0387         if (hist_entry__has_callchains(h) &&
0388             symbol_conf.use_callchain && hists__has(hists, sym)) {
0389             if (callchain_param.mode == CHAIN_GRAPH_REL)
0390                 total = symbol_conf.cumulate_callchain ?
0391                     h->stat_acc->period : h->stat.period;
0392 
0393             perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
0394                         sym_col, total);
0395         }
0396     }
0397 
0398     gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
0399 
0400     g_signal_connect(view, "row-activated",
0401              G_CALLBACK(on_row_activated), NULL);
0402     gtk_container_add(GTK_CONTAINER(window), view);
0403 }
0404 
0405 static void perf_gtk__add_hierarchy_entries(struct hists *hists,
0406                         struct rb_root_cached *root,
0407                         GtkTreeStore *store,
0408                         GtkTreeIter *parent,
0409                         struct perf_hpp *hpp,
0410                         float min_pcnt)
0411 {
0412     int col_idx = 0;
0413     struct rb_node *node;
0414     struct hist_entry *he;
0415     struct perf_hpp_fmt *fmt;
0416     struct perf_hpp_list_node *fmt_node;
0417     u64 total = hists__total_period(hists);
0418     int size;
0419 
0420     for (node = rb_first_cached(root); node; node = rb_next(node)) {
0421         GtkTreeIter iter;
0422         float percent;
0423         char *bf;
0424 
0425         he = rb_entry(node, struct hist_entry, rb_node);
0426         if (he->filtered)
0427             continue;
0428 
0429         percent = hist_entry__get_percent_limit(he);
0430         if (percent < min_pcnt)
0431             continue;
0432 
0433         gtk_tree_store_append(store, &iter, parent);
0434 
0435         col_idx = 0;
0436 
0437         /* the first hpp_list_node is for overhead columns */
0438         fmt_node = list_first_entry(&hists->hpp_formats,
0439                         struct perf_hpp_list_node, list);
0440         perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
0441             if (fmt->color)
0442                 fmt->color(fmt, hpp, he);
0443             else
0444                 fmt->entry(fmt, hpp, he);
0445 
0446             gtk_tree_store_set(store, &iter, col_idx++, hpp->buf, -1);
0447         }
0448 
0449         bf = hpp->buf;
0450         size = hpp->size;
0451         perf_hpp_list__for_each_format(he->hpp_list, fmt) {
0452             int ret;
0453 
0454             if (fmt->color)
0455                 ret = fmt->color(fmt, hpp, he);
0456             else
0457                 ret = fmt->entry(fmt, hpp, he);
0458 
0459             snprintf(hpp->buf + ret, hpp->size - ret, "  ");
0460             advance_hpp(hpp, ret + 2);
0461         }
0462 
0463         gtk_tree_store_set(store, &iter, col_idx, strim(bf), -1);
0464 
0465         if (!he->leaf) {
0466             hpp->buf = bf;
0467             hpp->size = size;
0468 
0469             perf_gtk__add_hierarchy_entries(hists, &he->hroot_out,
0470                             store, &iter, hpp,
0471                             min_pcnt);
0472 
0473             if (!hist_entry__has_hierarchy_children(he, min_pcnt)) {
0474                 char buf[32];
0475                 GtkTreeIter child;
0476 
0477                 snprintf(buf, sizeof(buf), "no entry >= %.2f%%",
0478                      min_pcnt);
0479 
0480                 gtk_tree_store_append(store, &child, &iter);
0481                 gtk_tree_store_set(store, &child, col_idx, buf, -1);
0482             }
0483         }
0484 
0485         if (he->leaf && hist_entry__has_callchains(he) && symbol_conf.use_callchain) {
0486             if (callchain_param.mode == CHAIN_GRAPH_REL)
0487                 total = symbol_conf.cumulate_callchain ?
0488                     he->stat_acc->period : he->stat.period;
0489 
0490             perf_gtk__add_callchain(&he->sorted_chain, store, &iter,
0491                         col_idx, total);
0492         }
0493     }
0494 
0495 }
0496 
0497 static void perf_gtk__show_hierarchy(GtkWidget *window, struct hists *hists,
0498                      float min_pcnt)
0499 {
0500     struct perf_hpp_fmt *fmt;
0501     struct perf_hpp_list_node *fmt_node;
0502     GType col_types[MAX_COLUMNS];
0503     GtkCellRenderer *renderer;
0504     GtkTreeStore *store;
0505     GtkWidget *view;
0506     int col_idx;
0507     int nr_cols = 0;
0508     char s[512];
0509     char buf[512];
0510     bool first_node, first_col;
0511     struct perf_hpp hpp = {
0512         .buf        = s,
0513         .size       = sizeof(s),
0514     };
0515 
0516     hists__for_each_format(hists, fmt) {
0517         if (perf_hpp__is_sort_entry(fmt) ||
0518             perf_hpp__is_dynamic_entry(fmt))
0519             break;
0520 
0521         col_types[nr_cols++] = G_TYPE_STRING;
0522     }
0523     col_types[nr_cols++] = G_TYPE_STRING;
0524 
0525     store = gtk_tree_store_newv(nr_cols, col_types);
0526     view = gtk_tree_view_new();
0527     renderer = gtk_cell_renderer_text_new();
0528 
0529     col_idx = 0;
0530 
0531     /* the first hpp_list_node is for overhead columns */
0532     fmt_node = list_first_entry(&hists->hpp_formats,
0533                     struct perf_hpp_list_node, list);
0534     perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
0535         gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
0536                                 -1, fmt->name,
0537                                 renderer, "markup",
0538                                 col_idx++, NULL);
0539     }
0540 
0541     /* construct merged column header since sort keys share single column */
0542     buf[0] = '\0';
0543     first_node = true;
0544     list_for_each_entry_continue(fmt_node, &hists->hpp_formats, list) {
0545         if (!first_node)
0546             strcat(buf, " / ");
0547         first_node = false;
0548 
0549         first_col = true;
0550         perf_hpp_list__for_each_format(&fmt_node->hpp ,fmt) {
0551             if (perf_hpp__should_skip(fmt, hists))
0552                 continue;
0553 
0554             if (!first_col)
0555                 strcat(buf, "+");
0556             first_col = false;
0557 
0558             fmt->header(fmt, &hpp, hists, 0, NULL);
0559             strcat(buf, strim(hpp.buf));
0560         }
0561     }
0562 
0563     gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
0564                             -1, buf,
0565                             renderer, "markup",
0566                             col_idx++, NULL);
0567 
0568     for (col_idx = 0; col_idx < nr_cols; col_idx++) {
0569         GtkTreeViewColumn *column;
0570 
0571         column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
0572         gtk_tree_view_column_set_resizable(column, TRUE);
0573 
0574         if (col_idx == 0) {
0575             gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
0576                               column);
0577         }
0578     }
0579 
0580     gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
0581     g_object_unref(GTK_TREE_MODEL(store));
0582 
0583     perf_gtk__add_hierarchy_entries(hists, &hists->entries, store,
0584                     NULL, &hpp, min_pcnt);
0585 
0586     gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
0587 
0588     g_signal_connect(view, "row-activated",
0589              G_CALLBACK(on_row_activated), NULL);
0590     gtk_container_add(GTK_CONTAINER(window), view);
0591 }
0592 
0593 int evlist__gtk_browse_hists(struct evlist *evlist, const char *help,
0594                  struct hist_browser_timer *hbt __maybe_unused, float min_pcnt)
0595 {
0596     struct evsel *pos;
0597     GtkWidget *vbox;
0598     GtkWidget *notebook;
0599     GtkWidget *info_bar;
0600     GtkWidget *statbar;
0601     GtkWidget *window;
0602 
0603     signal(SIGSEGV, perf_gtk__signal);
0604     signal(SIGFPE,  perf_gtk__signal);
0605     signal(SIGINT,  perf_gtk__signal);
0606     signal(SIGQUIT, perf_gtk__signal);
0607     signal(SIGTERM, perf_gtk__signal);
0608 
0609     window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
0610 
0611     gtk_window_set_title(GTK_WINDOW(window), "perf report");
0612 
0613     g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
0614 
0615     pgctx = perf_gtk__activate_context(window);
0616     if (!pgctx)
0617         return -1;
0618 
0619     vbox = gtk_vbox_new(FALSE, 0);
0620 
0621     notebook = gtk_notebook_new();
0622 
0623     gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
0624 
0625     info_bar = perf_gtk__setup_info_bar();
0626     if (info_bar)
0627         gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);
0628 
0629     statbar = perf_gtk__setup_statusbar();
0630     gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
0631 
0632     gtk_container_add(GTK_CONTAINER(window), vbox);
0633 
0634     evlist__for_each_entry(evlist, pos) {
0635         struct hists *hists = evsel__hists(pos);
0636         const char *evname = evsel__name(pos);
0637         GtkWidget *scrolled_window;
0638         GtkWidget *tab_label;
0639         char buf[512];
0640         size_t size = sizeof(buf);
0641 
0642         if (symbol_conf.event_group) {
0643             if (!evsel__is_group_leader(pos))
0644                 continue;
0645 
0646             if (pos->core.nr_members > 1) {
0647                 evsel__group_desc(pos, buf, size);
0648                 evname = buf;
0649             }
0650         }
0651 
0652         scrolled_window = gtk_scrolled_window_new(NULL, NULL);
0653 
0654         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
0655                             GTK_POLICY_AUTOMATIC,
0656                             GTK_POLICY_AUTOMATIC);
0657 
0658         if (symbol_conf.report_hierarchy)
0659             perf_gtk__show_hierarchy(scrolled_window, hists, min_pcnt);
0660         else
0661             perf_gtk__show_hists(scrolled_window, hists, min_pcnt);
0662 
0663         tab_label = gtk_label_new(evname);
0664 
0665         gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
0666     }
0667 
0668     gtk_widget_show_all(window);
0669 
0670     perf_gtk__resize_window(window);
0671 
0672     gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
0673 
0674     ui_helpline__push(help);
0675 
0676     gtk_main();
0677 
0678     perf_gtk__deactivate_context(&pgctx);
0679 
0680     return 0;
0681 }
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