summaryrefslogtreecommitdiff
path: root/tools/perf/ui/gtk/hists.c
blob: 9d90683914d46cc28c1aa88db2e2d54e863f5ae9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
#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(struct perf_hpp *hpp, const char *fmt, ...)
{
	int ret = 0;
	va_list args;
	double percent;
	const char *markup;
	char *buf = hpp->buf;
	size_t size = hpp->size;

	va_start(args, fmt);
	percent = va_arg(args, double);
	va_end(args);

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

	ret += scnprintf(buf + ret, size - ret, fmt, percent);

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

	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_fmt *fmt __maybe_unused,	\
				       struct perf_hpp *hpp,			\
				       struct hist_entry *he)			\
{										\
	return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%",			\
			  __percent_color_snprintf, true);			\
}

__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__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 on_row_activated(GtkTreeView *view, GtkTreePath *path,
			     GtkTreeViewColumn *col __maybe_unused,
			     gpointer user_data __maybe_unused)
{
	bool expanded = gtk_tree_view_row_expanded(view, path);

	if (expanded)
		gtk_tree_view_collapse_row(view, path);
	else
		gtk_tree_view_expand_row(view, path, FALSE);
}

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;
	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),
	};

	nr_cols = 0;

	perf_hpp__for_each_format(fmt)
		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) {
		if (perf_hpp__should_skip(fmt))
			continue;

		fmt->header(fmt, &hpp, hists_to_evsel(hists));

		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
							    -1, ltrim(s),
							    renderer, "markup",
							    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;
		u64 total = hists__total_period(h->hists);
		float percent = 0.0;

		if (h->filtered)
			continue;

		if (total)
			percent = h->stat.period * 100.0 / total;

		if (percent < min_pcnt)
			continue;

		gtk_tree_store_append(store, &iter, NULL);

		col_idx = 0;

		perf_hpp__for_each_format(fmt) {
			if (perf_hpp__should_skip(fmt))
				continue;

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

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

		if (symbol_conf.use_callchain && sort__has_sym) {
			if (callchain_param.mode == CHAIN_GRAPH_REL)
				total = h->stat.period;

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

	gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);

	g_signal_connect(view, "row-activated",
			 G_CALLBACK(on_row_activated), NULL);
	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);

	evlist__for_each(evlist, pos) {
		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;
}