xref: /openbmc/linux/tools/perf/ui/gtk/hists.c (revision 84d517f3)
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 	va_list args;
15 	double percent;
16 	const char *markup;
17 	char *buf = hpp->buf;
18 	size_t size = hpp->size;
19 
20 	va_start(args, fmt);
21 	percent = va_arg(args, double);
22 	va_end(args);
23 
24 	markup = perf_gtk__get_percent_color(percent);
25 	if (markup)
26 		ret += scnprintf(buf, size, markup);
27 
28 	ret += scnprintf(buf + ret, size - ret, fmt, percent);
29 
30 	if (markup)
31 		ret += scnprintf(buf + ret, size - ret, "</span>");
32 
33 	return ret;
34 }
35 
36 #define __HPP_COLOR_PERCENT_FN(_type, _field)					\
37 static u64 he_get_##_field(struct hist_entry *he)				\
38 {										\
39 	return he->stat._field;							\
40 }										\
41 										\
42 static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused,	\
43 				       struct perf_hpp *hpp,			\
44 				       struct hist_entry *he)			\
45 {										\
46 	return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%",			\
47 			  __percent_color_snprintf, true);			\
48 }
49 
50 __HPP_COLOR_PERCENT_FN(overhead, period)
51 __HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
52 __HPP_COLOR_PERCENT_FN(overhead_us, period_us)
53 __HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
54 __HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
55 
56 #undef __HPP_COLOR_PERCENT_FN
57 
58 
59 void perf_gtk__init_hpp(void)
60 {
61 	perf_hpp__format[PERF_HPP__OVERHEAD].color =
62 				perf_gtk__hpp_color_overhead;
63 	perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
64 				perf_gtk__hpp_color_overhead_sys;
65 	perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
66 				perf_gtk__hpp_color_overhead_us;
67 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
68 				perf_gtk__hpp_color_overhead_guest_sys;
69 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
70 				perf_gtk__hpp_color_overhead_guest_us;
71 }
72 
73 static void callchain_list__sym_name(struct callchain_list *cl,
74 				     char *bf, size_t bfsize)
75 {
76 	if (cl->ms.sym)
77 		scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
78 	else
79 		scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
80 }
81 
82 static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
83 				    GtkTreeIter *parent, int col, u64 total)
84 {
85 	struct rb_node *nd;
86 	bool has_single_node = (rb_first(root) == rb_last(root));
87 
88 	for (nd = rb_first(root); nd; nd = rb_next(nd)) {
89 		struct callchain_node *node;
90 		struct callchain_list *chain;
91 		GtkTreeIter iter, new_parent;
92 		bool need_new_parent;
93 		double percent;
94 		u64 hits, child_total;
95 
96 		node = rb_entry(nd, struct callchain_node, rb_node);
97 
98 		hits = callchain_cumul_hits(node);
99 		percent = 100.0 * hits / total;
100 
101 		new_parent = *parent;
102 		need_new_parent = !has_single_node && (node->val_nr > 1);
103 
104 		list_for_each_entry(chain, &node->val, list) {
105 			char buf[128];
106 
107 			gtk_tree_store_append(store, &iter, &new_parent);
108 
109 			scnprintf(buf, sizeof(buf), "%5.2f%%", percent);
110 			gtk_tree_store_set(store, &iter, 0, buf, -1);
111 
112 			callchain_list__sym_name(chain, buf, sizeof(buf));
113 			gtk_tree_store_set(store, &iter, col, buf, -1);
114 
115 			if (need_new_parent) {
116 				/*
117 				 * Only show the top-most symbol in a callchain
118 				 * if it's not the only callchain.
119 				 */
120 				new_parent = iter;
121 				need_new_parent = false;
122 			}
123 		}
124 
125 		if (callchain_param.mode == CHAIN_GRAPH_REL)
126 			child_total = node->children_hit;
127 		else
128 			child_total = total;
129 
130 		/* Now 'iter' contains info of the last callchain_list */
131 		perf_gtk__add_callchain(&node->rb_root, store, &iter, col,
132 					child_total);
133 	}
134 }
135 
136 static void on_row_activated(GtkTreeView *view, GtkTreePath *path,
137 			     GtkTreeViewColumn *col __maybe_unused,
138 			     gpointer user_data __maybe_unused)
139 {
140 	bool expanded = gtk_tree_view_row_expanded(view, path);
141 
142 	if (expanded)
143 		gtk_tree_view_collapse_row(view, path);
144 	else
145 		gtk_tree_view_expand_row(view, path, FALSE);
146 }
147 
148 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
149 				 float min_pcnt)
150 {
151 	struct perf_hpp_fmt *fmt;
152 	GType col_types[MAX_COLUMNS];
153 	GtkCellRenderer *renderer;
154 	GtkTreeStore *store;
155 	struct rb_node *nd;
156 	GtkWidget *view;
157 	int col_idx;
158 	int sym_col = -1;
159 	int nr_cols;
160 	char s[512];
161 
162 	struct perf_hpp hpp = {
163 		.buf		= s,
164 		.size		= sizeof(s),
165 	};
166 
167 	nr_cols = 0;
168 
169 	perf_hpp__for_each_format(fmt)
170 		col_types[nr_cols++] = G_TYPE_STRING;
171 
172 	store = gtk_tree_store_newv(nr_cols, col_types);
173 
174 	view = gtk_tree_view_new();
175 
176 	renderer = gtk_cell_renderer_text_new();
177 
178 	col_idx = 0;
179 
180 	perf_hpp__for_each_format(fmt) {
181 		if (perf_hpp__should_skip(fmt))
182 			continue;
183 
184 		fmt->header(fmt, &hpp, hists_to_evsel(hists));
185 
186 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
187 							    -1, ltrim(s),
188 							    renderer, "markup",
189 							    col_idx++, NULL);
190 	}
191 
192 	for (col_idx = 0; col_idx < nr_cols; col_idx++) {
193 		GtkTreeViewColumn *column;
194 
195 		column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
196 		gtk_tree_view_column_set_resizable(column, TRUE);
197 
198 		if (col_idx == sym_col) {
199 			gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
200 							  column);
201 		}
202 	}
203 
204 	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
205 
206 	g_object_unref(GTK_TREE_MODEL(store));
207 
208 	for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
209 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
210 		GtkTreeIter iter;
211 		u64 total = hists__total_period(h->hists);
212 		float percent = 0.0;
213 
214 		if (h->filtered)
215 			continue;
216 
217 		if (total)
218 			percent = h->stat.period * 100.0 / total;
219 
220 		if (percent < min_pcnt)
221 			continue;
222 
223 		gtk_tree_store_append(store, &iter, NULL);
224 
225 		col_idx = 0;
226 
227 		perf_hpp__for_each_format(fmt) {
228 			if (perf_hpp__should_skip(fmt))
229 				continue;
230 
231 			if (fmt->color)
232 				fmt->color(fmt, &hpp, h);
233 			else
234 				fmt->entry(fmt, &hpp, h);
235 
236 			gtk_tree_store_set(store, &iter, col_idx++, s, -1);
237 		}
238 
239 		if (symbol_conf.use_callchain && sort__has_sym) {
240 			if (callchain_param.mode == CHAIN_GRAPH_REL)
241 				total = h->stat.period;
242 
243 			perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
244 						sym_col, total);
245 		}
246 	}
247 
248 	gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
249 
250 	g_signal_connect(view, "row-activated",
251 			 G_CALLBACK(on_row_activated), NULL);
252 	gtk_container_add(GTK_CONTAINER(window), view);
253 }
254 
255 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
256 				  const char *help,
257 				  struct hist_browser_timer *hbt __maybe_unused,
258 				  float min_pcnt)
259 {
260 	struct perf_evsel *pos;
261 	GtkWidget *vbox;
262 	GtkWidget *notebook;
263 	GtkWidget *info_bar;
264 	GtkWidget *statbar;
265 	GtkWidget *window;
266 
267 	signal(SIGSEGV, perf_gtk__signal);
268 	signal(SIGFPE,  perf_gtk__signal);
269 	signal(SIGINT,  perf_gtk__signal);
270 	signal(SIGQUIT, perf_gtk__signal);
271 	signal(SIGTERM, perf_gtk__signal);
272 
273 	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
274 
275 	gtk_window_set_title(GTK_WINDOW(window), "perf report");
276 
277 	g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
278 
279 	pgctx = perf_gtk__activate_context(window);
280 	if (!pgctx)
281 		return -1;
282 
283 	vbox = gtk_vbox_new(FALSE, 0);
284 
285 	notebook = gtk_notebook_new();
286 
287 	gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
288 
289 	info_bar = perf_gtk__setup_info_bar();
290 	if (info_bar)
291 		gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);
292 
293 	statbar = perf_gtk__setup_statusbar();
294 	gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
295 
296 	gtk_container_add(GTK_CONTAINER(window), vbox);
297 
298 	evlist__for_each(evlist, pos) {
299 		struct hists *hists = &pos->hists;
300 		const char *evname = perf_evsel__name(pos);
301 		GtkWidget *scrolled_window;
302 		GtkWidget *tab_label;
303 		char buf[512];
304 		size_t size = sizeof(buf);
305 
306 		if (symbol_conf.event_group) {
307 			if (!perf_evsel__is_group_leader(pos))
308 				continue;
309 
310 			if (pos->nr_members > 1) {
311 				perf_evsel__group_desc(pos, buf, size);
312 				evname = buf;
313 			}
314 		}
315 
316 		scrolled_window = gtk_scrolled_window_new(NULL, NULL);
317 
318 		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
319 							GTK_POLICY_AUTOMATIC,
320 							GTK_POLICY_AUTOMATIC);
321 
322 		perf_gtk__show_hists(scrolled_window, hists, min_pcnt);
323 
324 		tab_label = gtk_label_new(evname);
325 
326 		gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
327 	}
328 
329 	gtk_widget_show_all(window);
330 
331 	perf_gtk__resize_window(window);
332 
333 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
334 
335 	ui_helpline__push(help);
336 
337 	gtk_main();
338 
339 	perf_gtk__deactivate_context(&pgctx);
340 
341 	return 0;
342 }
343