tools/perf/ui/gtk/hists.c - kernel/msm-5.4 - Gitiles

 #include "../evlist.h"
 #include "../cache.h"
 #include "../evsel.h"
 #include "../sort.h"
 #include "../hist.h"
 #include "../helpline.h"
 #include "gtk.h"

 #define MAX_COLUMNS			32

 static int __percent_color_snprintf(char *buf, size_t size, double percent)
 {
 	int ret = 0;
 	const char *markup;

 	markup = perf_gtk__get_percent_color(percent);
 	if (markup)
 		ret += scnprintf(buf, size, markup);

 	ret += scnprintf(buf + ret, size - ret, " %6.2f%%", percent);

 	if (markup)
 		ret += scnprintf(buf + ret, size - ret, "</span>");

 	return ret;
 }


 static int __hpp__color_fmt(struct perf_hpp *hpp, struct hist_entry *he,
 			    u64 (*get_field)(struct hist_entry *))
 {
 	int ret;
 	double percent = 0.0;
 	struct hists *hists = he->hists;
 	struct perf_evsel *evsel = hists_to_evsel(hists);

 	if (hists->stats.total_period)
 		percent = 100.0 * get_field(he) / hists->stats.total_period;

 	ret = __percent_color_snprintf(hpp->buf, hpp->size, percent);

 	if (perf_evsel__is_group_event(evsel)) {
 		int prev_idx, idx_delta;
 		struct hist_entry *pair;
 		int nr_members = evsel->nr_members;

 		prev_idx = perf_evsel__group_idx(evsel);

 		list_for_each_entry(pair, &he->pairs.head, pairs.node) {
 			u64 period = get_field(pair);
 			u64 total = pair->hists->stats.total_period;

 			evsel = hists_to_evsel(pair->hists);
 			idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;

 			while (idx_delta--) {
 				/*
 				 * zero-fill group members in the middle which
 				 * have no sample
 				 */
 				ret += __percent_color_snprintf(hpp->buf + ret,
 								hpp->size - ret,
 								0.0);
 			}

 			percent = 100.0 * period / total;
 			ret += __percent_color_snprintf(hpp->buf + ret,
 							hpp->size - ret,
 							percent);

 			prev_idx = perf_evsel__group_idx(evsel);
 		}

 		idx_delta = nr_members - prev_idx - 1;

 		while (idx_delta--) {
 			/*
 			 * zero-fill group members at last which have no sample
 			 */
 			ret += __percent_color_snprintf(hpp->buf + ret,
 							hpp->size - ret,
 							0.0);
 		}
 	}
 	return ret;
 }

 #define __HPP_COLOR_PERCENT_FN(_type, _field)					\
 static u64 he_get_##_field(struct hist_entry *he)				\
 {										\
 	return he->stat._field;							\
 }										\
 										\
 static int perf_gtk__hpp_color_##_type(struct perf_hpp *hpp,			\
 				       struct hist_entry *he)			\
 {										\
 	return __hpp__color_fmt(hpp, he, he_get_##_field);			\
 }

 __HPP_COLOR_PERCENT_FN(overhead, period)
 __HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
 __HPP_COLOR_PERCENT_FN(overhead_us, period_us)
 __HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
 __HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)

 #undef __HPP_COLOR_PERCENT_FN


 void perf_gtk__init_hpp(void)
 {
 	perf_hpp__column_enable(PERF_HPP__OVERHEAD);

 	perf_hpp__init();

 	perf_hpp__format[PERF_HPP__OVERHEAD].color =
 				perf_gtk__hpp_color_overhead;
 	perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
 				perf_gtk__hpp_color_overhead_sys;
 	perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
 				perf_gtk__hpp_color_overhead_us;
 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
 				perf_gtk__hpp_color_overhead_guest_sys;
 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
 				perf_gtk__hpp_color_overhead_guest_us;
 }

 static void callchain_list__sym_name(struct callchain_list *cl,
 				     char *bf, size_t bfsize)
 {
 	if (cl->ms.sym)
 		scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
 	else
 		scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
 }

 static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
 				    GtkTreeIter *parent, int col, u64 total)
 {
 	struct rb_node *nd;
 	bool has_single_node = (rb_first(root) == rb_last(root));

 	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
 		struct callchain_node *node;
 		struct callchain_list *chain;
 		GtkTreeIter iter, new_parent;
 		bool need_new_parent;
 		double percent;
 		u64 hits, child_total;

 		node = rb_entry(nd, struct callchain_node, rb_node);

 		hits = callchain_cumul_hits(node);
 		percent = 100.0 * hits / total;

 		new_parent = *parent;
 		need_new_parent = !has_single_node && (node->val_nr > 1);

 		list_for_each_entry(chain, &node->val, list) {
 			char buf[128];

 			gtk_tree_store_append(store, &iter, &new_parent);

 			scnprintf(buf, sizeof(buf), "%5.2f%%", percent);
 			gtk_tree_store_set(store, &iter, 0, buf, -1);

 			callchain_list__sym_name(chain, buf, sizeof(buf));
 			gtk_tree_store_set(store, &iter, col, buf, -1);

 			if (need_new_parent) {
 				/*
 				 * Only show the top-most symbol in a callchain
 				 * if it's not the only callchain.
 				 */
 				new_parent = iter;
 				need_new_parent = false;
 			}
 		}

 		if (callchain_param.mode == CHAIN_GRAPH_REL)
 			child_total = node->children_hit;
 		else
 			child_total = total;

 		/* Now 'iter' contains info of the last callchain_list */
 		perf_gtk__add_callchain(&node->rb_root, store, &iter, col,
 					child_total);
 	}
 }

 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
 				 float min_pcnt)
 {
 	struct perf_hpp_fmt *fmt;
 	GType col_types[MAX_COLUMNS];
 	GtkCellRenderer *renderer;
 	struct sort_entry *se;
 	GtkTreeStore *store;
 	struct rb_node *nd;
 	GtkWidget *view;
 	int col_idx;
 	int sym_col = -1;
 	int nr_cols;
 	char s[512];

 	struct perf_hpp hpp = {
 		.buf		= s,
 		.size		= sizeof(s),
 		.ptr		= hists_to_evsel(hists),
 	};

 	nr_cols = 0;

 	perf_hpp__for_each_format(fmt)
 		col_types[nr_cols++] = G_TYPE_STRING;

 	list_for_each_entry(se, &hist_entry__sort_list, list) {
 		if (se->elide)
 			continue;

 		if (se == &sort_sym)
 			sym_col = nr_cols;

 		col_types[nr_cols++] = G_TYPE_STRING;
 	}

 	store = gtk_tree_store_newv(nr_cols, col_types);

 	view = gtk_tree_view_new();

 	renderer = gtk_cell_renderer_text_new();

 	col_idx = 0;

 	perf_hpp__for_each_format(fmt) {
 		fmt->header(&hpp);

 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 							    -1, ltrim(s),
 							    renderer, "markup",
 							    col_idx++, NULL);
 	}

 	list_for_each_entry(se, &hist_entry__sort_list, list) {
 		if (se->elide)
 			continue;

 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 							    -1, se->se_header,
 							    renderer, "text",
 							    col_idx++, NULL);
 	}

 	for (col_idx = 0; col_idx < nr_cols; col_idx++) {
 		GtkTreeViewColumn *column;

 		column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
 		gtk_tree_view_column_set_resizable(column, TRUE);

 		if (col_idx == sym_col) {
 			gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
 							  column);
 		}
 	}

 	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));

 	g_object_unref(GTK_TREE_MODEL(store));

 	for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
 		GtkTreeIter iter;
 		float percent = h->stat.period * 100.0 /
 					hists->stats.total_period;

 		if (h->filtered)
 			continue;

 		if (percent < min_pcnt)
 			continue;

 		gtk_tree_store_append(store, &iter, NULL);

 		col_idx = 0;

 		perf_hpp__for_each_format(fmt) {
 			if (fmt->color)
 				fmt->color(&hpp, h);
 			else
 				fmt->entry(&hpp, h);

 			gtk_tree_store_set(store, &iter, col_idx++, s, -1);
 		}

 		list_for_each_entry(se, &hist_entry__sort_list, list) {
 			if (se->elide)
 				continue;

 			se->se_snprintf(h, s, ARRAY_SIZE(s),
 					hists__col_len(hists, se->se_width_idx));

 			gtk_tree_store_set(store, &iter, col_idx++, s, -1);
 		}

 		if (symbol_conf.use_callchain && sort__has_sym) {
 			u64 total;

 			if (callchain_param.mode == CHAIN_GRAPH_REL)
 				total = h->stat.period;
 			else
 				total = hists->stats.total_period;

 			perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
 						sym_col, total);
 		}
 	}

 	gtk_container_add(GTK_CONTAINER(window), view);
 }

 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
 				  const char *help,
 				  struct hist_browser_timer *hbt __maybe_unused,
 				  float min_pcnt)
 {
 	struct perf_evsel *pos;
 	GtkWidget *vbox;
 	GtkWidget *notebook;
 	GtkWidget *info_bar;
 	GtkWidget *statbar;
 	GtkWidget *window;

 	signal(SIGSEGV, perf_gtk__signal);
 	signal(SIGFPE,  perf_gtk__signal);
 	signal(SIGINT,  perf_gtk__signal);
 	signal(SIGQUIT, perf_gtk__signal);
 	signal(SIGTERM, perf_gtk__signal);

 	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

 	gtk_window_set_title(GTK_WINDOW(window), "perf report");

 	g_signal_connect(window, "delete_event", gtk_main_quit, NULL);

 	pgctx = perf_gtk__activate_context(window);
 	if (!pgctx)
 		return -1;

 	vbox = gtk_vbox_new(FALSE, 0);

 	notebook = gtk_notebook_new();

 	gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);

 	info_bar = perf_gtk__setup_info_bar();
 	if (info_bar)
 		gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);

 	statbar = perf_gtk__setup_statusbar();
 	gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);

 	gtk_container_add(GTK_CONTAINER(window), vbox);

 	list_for_each_entry(pos, &evlist->entries, node) {
 		struct hists *hists = &pos->hists;
 		const char *evname = perf_evsel__name(pos);
 		GtkWidget *scrolled_window;
 		GtkWidget *tab_label;
 		char buf[512];
 		size_t size = sizeof(buf);

 		if (symbol_conf.event_group) {
 			if (!perf_evsel__is_group_leader(pos))
 				continue;

 			if (pos->nr_members > 1) {
 				perf_evsel__group_desc(pos, buf, size);
 				evname = buf;
 			}
 		}

 		scrolled_window = gtk_scrolled_window_new(NULL, NULL);

 		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 							GTK_POLICY_AUTOMATIC,
 							GTK_POLICY_AUTOMATIC);

 		perf_gtk__show_hists(scrolled_window, hists, min_pcnt);

 		tab_label = gtk_label_new(evname);

 		gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
 	}

 	gtk_widget_show_all(window);

 	perf_gtk__resize_window(window);

 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);

 	ui_helpline__push(help);

 	gtk_main();

 	perf_gtk__deactivate_context(&pgctx);

 	return 0;
 }
	#include "../evlist.h"
	#include "../cache.h"
	#include "../evsel.h"
	#include "../sort.h"
	#include "../hist.h"
	#include "../helpline.h"
	#include "gtk.h"

	#define MAX_COLUMNS 32

	static int __percent_color_snprintf(char *buf, size_t size, double percent)
	{
	int ret = 0;
	const char *markup;

	markup = perf_gtk__get_percent_color(percent);
	if (markup)
	ret += scnprintf(buf, size, markup);

	ret += scnprintf(buf + ret, size - ret, " %6.2f%%", percent);

	if (markup)
	ret += scnprintf(buf + ret, size - ret, "</span>");

	return ret;
	}


	static int __hpp__color_fmt(struct perf_hpp hpp, struct hist_entry he,
	u64 (get_field)(struct hist_entry ))
	{
	int ret;
	double percent = 0.0;
	struct hists *hists = he->hists;
	struct perf_evsel *evsel = hists_to_evsel(hists);

	if (hists->stats.total_period)
	percent = 100.0 * get_field(he) / hists->stats.total_period;

	ret = __percent_color_snprintf(hpp->buf, hpp->size, percent);

	if (perf_evsel__is_group_event(evsel)) {
	int prev_idx, idx_delta;
	struct hist_entry *pair;
	int nr_members = evsel->nr_members;

	prev_idx = perf_evsel__group_idx(evsel);

	list_for_each_entry(pair, &he->pairs.head, pairs.node) {
	u64 period = get_field(pair);
	u64 total = pair->hists->stats.total_period;

	evsel = hists_to_evsel(pair->hists);
	idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;

	while (idx_delta--) {
	/*
	* zero-fill group members in the middle which
	* have no sample
	*/
	ret += __percent_color_snprintf(hpp->buf + ret,
	hpp->size - ret,
	0.0);
	}

	percent = 100.0 * period / total;
	ret += __percent_color_snprintf(hpp->buf + ret,
	hpp->size - ret,
	percent);

	prev_idx = perf_evsel__group_idx(evsel);
	}

	idx_delta = nr_members - prev_idx - 1;

	while (idx_delta--) {
	/*
	* zero-fill group members at last which have no sample
	*/
	ret += __percent_color_snprintf(hpp->buf + ret,
	hpp->size - ret,
	0.0);
	}
	}
	return ret;
	}

	#define __HPP_COLOR_PERCENT_FN(_type, _field) \
	static u64 he_get_##_field(struct hist_entry *he) \
	{ \
	return he->stat._field; \
	} \
	\
	static int perf_gtk__hpp_color_##_type(struct perf_hpp *hpp, \
	struct hist_entry *he) \
	{ \
	return __hpp__color_fmt(hpp, he, he_get_##_field); \
	}

	__HPP_COLOR_PERCENT_FN(overhead, period)
	__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
	__HPP_COLOR_PERCENT_FN(overhead_us, period_us)
	__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
	__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)

	#undef __HPP_COLOR_PERCENT_FN


	void perf_gtk__init_hpp(void)
	{
	perf_hpp__column_enable(PERF_HPP__OVERHEAD);

	perf_hpp__init();

	perf_hpp__format[PERF_HPP__OVERHEAD].color =
	perf_gtk__hpp_color_overhead;
	perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
	perf_gtk__hpp_color_overhead_sys;
	perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
	perf_gtk__hpp_color_overhead_us;
	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
	perf_gtk__hpp_color_overhead_guest_sys;
	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
	perf_gtk__hpp_color_overhead_guest_us;
	}

	static void callchain_list__sym_name(struct callchain_list *cl,
	char *bf, size_t bfsize)
	{
	if (cl->ms.sym)
	scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
	else
	scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
	}

	static void perf_gtk__add_callchain(struct rb_root root, GtkTreeStore store,
	GtkTreeIter *parent, int col, u64 total)
	{
	struct rb_node *nd;
	bool has_single_node = (rb_first(root) == rb_last(root));

	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
	struct callchain_node *node;
	struct callchain_list *chain;
	GtkTreeIter iter, new_parent;
	bool need_new_parent;
	double percent;
	u64 hits, child_total;

	node = rb_entry(nd, struct callchain_node, rb_node);

	hits = callchain_cumul_hits(node);
	percent = 100.0 * hits / total;

	new_parent = *parent;
	need_new_parent = !has_single_node && (node->val_nr > 1);

	list_for_each_entry(chain, &node->val, list) {
	char buf[128];

	gtk_tree_store_append(store, &iter, &new_parent);

	scnprintf(buf, sizeof(buf), "%5.2f%%", percent);
	gtk_tree_store_set(store, &iter, 0, buf, -1);

	callchain_list__sym_name(chain, buf, sizeof(buf));
	gtk_tree_store_set(store, &iter, col, buf, -1);

	if (need_new_parent) {
	/*
	* Only show the top-most symbol in a callchain
	* if it's not the only callchain.
	*/
	new_parent = iter;
	need_new_parent = false;
	}
	}

	if (callchain_param.mode == CHAIN_GRAPH_REL)
	child_total = node->children_hit;
	else
	child_total = total;

	/* Now 'iter' contains info of the last callchain_list */
	perf_gtk__add_callchain(&node->rb_root, store, &iter, col,
	child_total);
	}
	}

	static void perf_gtk__show_hists(GtkWidget window, struct hists hists,
	float min_pcnt)
	{
	struct perf_hpp_fmt *fmt;
	GType col_types[MAX_COLUMNS];
	GtkCellRenderer *renderer;
	struct sort_entry *se;
	GtkTreeStore *store;
	struct rb_node *nd;
	GtkWidget *view;
	int col_idx;
	int sym_col = -1;
	int nr_cols;
	char s[512];

	struct perf_hpp hpp = {
	.buf = s,
	.size = sizeof(s),
	.ptr = hists_to_evsel(hists),
	};

	nr_cols = 0;

	perf_hpp__for_each_format(fmt)
	col_types[nr_cols++] = G_TYPE_STRING;

	list_for_each_entry(se, &hist_entry__sort_list, list) {
	if (se->elide)
	continue;

	if (se == &sort_sym)
	sym_col = nr_cols;

	col_types[nr_cols++] = G_TYPE_STRING;
	}

	store = gtk_tree_store_newv(nr_cols, col_types);

	view = gtk_tree_view_new();

	renderer = gtk_cell_renderer_text_new();

	col_idx = 0;

	perf_hpp__for_each_format(fmt) {
	fmt->header(&hpp);

	gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
	-1, ltrim(s),
	renderer, "markup",
	col_idx++, NULL);
	}

	list_for_each_entry(se, &hist_entry__sort_list, list) {
	if (se->elide)
	continue;

	gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
	-1, se->se_header,
	renderer, "text",
	col_idx++, NULL);
	}

	for (col_idx = 0; col_idx < nr_cols; col_idx++) {
	GtkTreeViewColumn *column;

	column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
	gtk_tree_view_column_set_resizable(column, TRUE);

	if (col_idx == sym_col) {
	gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
	column);
	}
	}

	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));

	g_object_unref(GTK_TREE_MODEL(store));

	for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
	struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
	GtkTreeIter iter;
	float percent = h->stat.period * 100.0 /
	hists->stats.total_period;

	if (h->filtered)
	continue;

	if (percent < min_pcnt)
	continue;

	gtk_tree_store_append(store, &iter, NULL);

	col_idx = 0;

	perf_hpp__for_each_format(fmt) {
	if (fmt->color)
	fmt->color(&hpp, h);
	else
	fmt->entry(&hpp, h);

	gtk_tree_store_set(store, &iter, col_idx++, s, -1);
	}

	list_for_each_entry(se, &hist_entry__sort_list, list) {
	if (se->elide)
	continue;

	se->se_snprintf(h, s, ARRAY_SIZE(s),
	hists__col_len(hists, se->se_width_idx));

	gtk_tree_store_set(store, &iter, col_idx++, s, -1);
	}

	if (symbol_conf.use_callchain && sort__has_sym) {
	u64 total;

	if (callchain_param.mode == CHAIN_GRAPH_REL)
	total = h->stat.period;
	else
	total = hists->stats.total_period;

	perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
	sym_col, total);
	}
	}

	gtk_container_add(GTK_CONTAINER(window), view);
	}

	int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
	const char *help,
	struct hist_browser_timer *hbt __maybe_unused,
	float min_pcnt)
	{
	struct perf_evsel *pos;
	GtkWidget *vbox;
	GtkWidget *notebook;
	GtkWidget *info_bar;
	GtkWidget *statbar;
	GtkWidget *window;

	signal(SIGSEGV, perf_gtk__signal);
	signal(SIGFPE, perf_gtk__signal);
	signal(SIGINT, perf_gtk__signal);
	signal(SIGQUIT, perf_gtk__signal);
	signal(SIGTERM, perf_gtk__signal);

	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);

	gtk_window_set_title(GTK_WINDOW(window), "perf report");

	g_signal_connect(window, "delete_event", gtk_main_quit, NULL);

	pgctx = perf_gtk__activate_context(window);
	if (!pgctx)
	return -1;

	vbox = gtk_vbox_new(FALSE, 0);

	notebook = gtk_notebook_new();

	gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);

	info_bar = perf_gtk__setup_info_bar();
	if (info_bar)
	gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);

	statbar = perf_gtk__setup_statusbar();
	gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);

	gtk_container_add(GTK_CONTAINER(window), vbox);

	list_for_each_entry(pos, &evlist->entries, node) {
	struct hists *hists = &pos->hists;
	const char *evname = perf_evsel__name(pos);
	GtkWidget *scrolled_window;
	GtkWidget *tab_label;
	char buf[512];
	size_t size = sizeof(buf);

	if (symbol_conf.event_group) {
	if (!perf_evsel__is_group_leader(pos))
	continue;

	if (pos->nr_members > 1) {
	perf_evsel__group_desc(pos, buf, size);
	evname = buf;
	}
	}

	scrolled_window = gtk_scrolled_window_new(NULL, NULL);

	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
	GTK_POLICY_AUTOMATIC,
	GTK_POLICY_AUTOMATIC);

	perf_gtk__show_hists(scrolled_window, hists, min_pcnt);

	tab_label = gtk_label_new(evname);

	gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
	}

	gtk_widget_show_all(window);

	perf_gtk__resize_window(window);

	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);

	ui_helpline__push(help);

	gtk_main();

	perf_gtk__deactivate_context(&pgctx);

	return 0;
	}