xref: /openbmc/linux/tools/perf/ui/gtk/hists.c (revision ca460cc2)
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 callchain_list__sym_name(struct callchain_list *cl,
93 				     char *bf, size_t bfsize)
94 {
95 	if (cl->ms.sym)
96 		scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
97 	else
98 		scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
99 }
100 
101 static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
102 				    GtkTreeIter *parent, int col, u64 total)
103 {
104 	struct rb_node *nd;
105 	bool has_single_node = (rb_first(root) == rb_last(root));
106 
107 	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
108 		struct callchain_node *node;
109 		struct callchain_list *chain;
110 		GtkTreeIter iter, new_parent;
111 		bool need_new_parent;
112 		double percent;
113 		u64 hits, child_total;
114 
115 		node = rb_entry(nd, struct callchain_node, rb_node);
116 
117 		hits = callchain_cumul_hits(node);
118 		percent = 100.0 * hits / total;
119 
120 		new_parent = *parent;
121 		need_new_parent = !has_single_node && (node->val_nr > 1);
122 
123 		list_for_each_entry(chain, &node->val, list) {
124 			char buf[128];
125 
126 			gtk_tree_store_append(store, &iter, &new_parent);
127 
128 			scnprintf(buf, sizeof(buf), "%5.2f%%", percent);
129 			gtk_tree_store_set(store, &iter, 0, buf, -1);
130 
131 			callchain_list__sym_name(chain, buf, sizeof(buf));
132 			gtk_tree_store_set(store, &iter, col, buf, -1);
133 
134 			if (need_new_parent) {
135 				/*
136 				 * Only show the top-most symbol in a callchain
137 				 * if it's not the only callchain.
138 				 */
139 				new_parent = iter;
140 				need_new_parent = false;
141 			}
142 		}
143 
144 		if (callchain_param.mode == CHAIN_GRAPH_REL)
145 			child_total = node->children_hit;
146 		else
147 			child_total = total;
148 
149 		/* Now 'iter' contains info of the last callchain_list */
150 		perf_gtk__add_callchain(&node->rb_root, store, &iter, col,
151 					child_total);
152 	}
153 }
154 
155 static void on_row_activated(GtkTreeView *view, GtkTreePath *path,
156 			     GtkTreeViewColumn *col __maybe_unused,
157 			     gpointer user_data __maybe_unused)
158 {
159 	bool expanded = gtk_tree_view_row_expanded(view, path);
160 
161 	if (expanded)
162 		gtk_tree_view_collapse_row(view, path);
163 	else
164 		gtk_tree_view_expand_row(view, path, FALSE);
165 }
166 
167 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
168 				 float min_pcnt)
169 {
170 	struct perf_hpp_fmt *fmt;
171 	GType col_types[MAX_COLUMNS];
172 	GtkCellRenderer *renderer;
173 	GtkTreeStore *store;
174 	struct rb_node *nd;
175 	GtkWidget *view;
176 	int col_idx;
177 	int sym_col = -1;
178 	int nr_cols;
179 	char s[512];
180 
181 	struct perf_hpp hpp = {
182 		.buf		= s,
183 		.size		= sizeof(s),
184 	};
185 
186 	nr_cols = 0;
187 
188 	perf_hpp__for_each_format(fmt)
189 		col_types[nr_cols++] = G_TYPE_STRING;
190 
191 	store = gtk_tree_store_newv(nr_cols, col_types);
192 
193 	view = gtk_tree_view_new();
194 
195 	renderer = gtk_cell_renderer_text_new();
196 
197 	col_idx = 0;
198 
199 	perf_hpp__for_each_format(fmt) {
200 		if (perf_hpp__should_skip(fmt))
201 			continue;
202 
203 		/*
204 		 * XXX no way to determine where symcol column is..
205 		 *     Just use last column for now.
206 		 */
207 		if (perf_hpp__is_sort_entry(fmt))
208 			sym_col = col_idx;
209 
210 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
211 							    -1, fmt->name,
212 							    renderer, "markup",
213 							    col_idx++, NULL);
214 	}
215 
216 	for (col_idx = 0; col_idx < nr_cols; col_idx++) {
217 		GtkTreeViewColumn *column;
218 
219 		column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
220 		gtk_tree_view_column_set_resizable(column, TRUE);
221 
222 		if (col_idx == sym_col) {
223 			gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
224 							  column);
225 		}
226 	}
227 
228 	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
229 
230 	g_object_unref(GTK_TREE_MODEL(store));
231 
232 	for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
233 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
234 		GtkTreeIter iter;
235 		u64 total = hists__total_period(h->hists);
236 		float percent;
237 
238 		if (h->filtered)
239 			continue;
240 
241 		percent = hist_entry__get_percent_limit(h);
242 		if (percent < min_pcnt)
243 			continue;
244 
245 		gtk_tree_store_append(store, &iter, NULL);
246 
247 		col_idx = 0;
248 
249 		perf_hpp__for_each_format(fmt) {
250 			if (perf_hpp__should_skip(fmt))
251 				continue;
252 
253 			if (fmt->color)
254 				fmt->color(fmt, &hpp, h);
255 			else
256 				fmt->entry(fmt, &hpp, h);
257 
258 			gtk_tree_store_set(store, &iter, col_idx++, s, -1);
259 		}
260 
261 		if (symbol_conf.use_callchain && sort__has_sym) {
262 			if (callchain_param.mode == CHAIN_GRAPH_REL)
263 				total = symbol_conf.cumulate_callchain ?
264 					h->stat_acc->period : h->stat.period;
265 
266 			perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
267 						sym_col, total);
268 		}
269 	}
270 
271 	gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
272 
273 	g_signal_connect(view, "row-activated",
274 			 G_CALLBACK(on_row_activated), NULL);
275 	gtk_container_add(GTK_CONTAINER(window), view);
276 }
277 
278 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
279 				  const char *help,
280 				  struct hist_browser_timer *hbt __maybe_unused,
281 				  float min_pcnt)
282 {
283 	struct perf_evsel *pos;
284 	GtkWidget *vbox;
285 	GtkWidget *notebook;
286 	GtkWidget *info_bar;
287 	GtkWidget *statbar;
288 	GtkWidget *window;
289 
290 	signal(SIGSEGV, perf_gtk__signal);
291 	signal(SIGFPE,  perf_gtk__signal);
292 	signal(SIGINT,  perf_gtk__signal);
293 	signal(SIGQUIT, perf_gtk__signal);
294 	signal(SIGTERM, perf_gtk__signal);
295 
296 	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
297 
298 	gtk_window_set_title(GTK_WINDOW(window), "perf report");
299 
300 	g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
301 
302 	pgctx = perf_gtk__activate_context(window);
303 	if (!pgctx)
304 		return -1;
305 
306 	vbox = gtk_vbox_new(FALSE, 0);
307 
308 	notebook = gtk_notebook_new();
309 
310 	gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
311 
312 	info_bar = perf_gtk__setup_info_bar();
313 	if (info_bar)
314 		gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);
315 
316 	statbar = perf_gtk__setup_statusbar();
317 	gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
318 
319 	gtk_container_add(GTK_CONTAINER(window), vbox);
320 
321 	evlist__for_each(evlist, pos) {
322 		struct hists *hists = evsel__hists(pos);
323 		const char *evname = perf_evsel__name(pos);
324 		GtkWidget *scrolled_window;
325 		GtkWidget *tab_label;
326 		char buf[512];
327 		size_t size = sizeof(buf);
328 
329 		if (symbol_conf.event_group) {
330 			if (!perf_evsel__is_group_leader(pos))
331 				continue;
332 
333 			if (pos->nr_members > 1) {
334 				perf_evsel__group_desc(pos, buf, size);
335 				evname = buf;
336 			}
337 		}
338 
339 		scrolled_window = gtk_scrolled_window_new(NULL, NULL);
340 
341 		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
342 							GTK_POLICY_AUTOMATIC,
343 							GTK_POLICY_AUTOMATIC);
344 
345 		perf_gtk__show_hists(scrolled_window, hists, min_pcnt);
346 
347 		tab_label = gtk_label_new(evname);
348 
349 		gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
350 	}
351 
352 	gtk_widget_show_all(window);
353 
354 	perf_gtk__resize_window(window);
355 
356 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
357 
358 	ui_helpline__push(help);
359 
360 	gtk_main();
361 
362 	perf_gtk__deactivate_context(&pgctx);
363 
364 	return 0;
365 }
366