xref: /openbmc/linux/tools/perf/ui/gtk/hists.c (revision eb3fcf00)
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 }
357