xref: /openbmc/linux/tools/perf/ui/gtk/hists.c (revision f35e839a)
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(char *buf, size_t size, double percent)
12 {
13 	int ret = 0;
14 	const char *markup;
15 
16 	markup = perf_gtk__get_percent_color(percent);
17 	if (markup)
18 		ret += scnprintf(buf, size, markup);
19 
20 	ret += scnprintf(buf + ret, size - ret, " %6.2f%%", percent);
21 
22 	if (markup)
23 		ret += scnprintf(buf + ret, size - ret, "</span>");
24 
25 	return ret;
26 }
27 
28 
29 static int __hpp__color_fmt(struct perf_hpp *hpp, struct hist_entry *he,
30 			    u64 (*get_field)(struct hist_entry *))
31 {
32 	int ret;
33 	double percent = 0.0;
34 	struct hists *hists = he->hists;
35 	struct perf_evsel *evsel = hists_to_evsel(hists);
36 
37 	if (hists->stats.total_period)
38 		percent = 100.0 * get_field(he) / hists->stats.total_period;
39 
40 	ret = __percent_color_snprintf(hpp->buf, hpp->size, percent);
41 
42 	if (perf_evsel__is_group_event(evsel)) {
43 		int prev_idx, idx_delta;
44 		struct hist_entry *pair;
45 		int nr_members = evsel->nr_members;
46 
47 		prev_idx = perf_evsel__group_idx(evsel);
48 
49 		list_for_each_entry(pair, &he->pairs.head, pairs.node) {
50 			u64 period = get_field(pair);
51 			u64 total = pair->hists->stats.total_period;
52 
53 			evsel = hists_to_evsel(pair->hists);
54 			idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
55 
56 			while (idx_delta--) {
57 				/*
58 				 * zero-fill group members in the middle which
59 				 * have no sample
60 				 */
61 				ret += __percent_color_snprintf(hpp->buf + ret,
62 								hpp->size - ret,
63 								0.0);
64 			}
65 
66 			percent = 100.0 * period / total;
67 			ret += __percent_color_snprintf(hpp->buf + ret,
68 							hpp->size - ret,
69 							percent);
70 
71 			prev_idx = perf_evsel__group_idx(evsel);
72 		}
73 
74 		idx_delta = nr_members - prev_idx - 1;
75 
76 		while (idx_delta--) {
77 			/*
78 			 * zero-fill group members at last which have no sample
79 			 */
80 			ret += __percent_color_snprintf(hpp->buf + ret,
81 							hpp->size - ret,
82 							0.0);
83 		}
84 	}
85 	return ret;
86 }
87 
88 #define __HPP_COLOR_PERCENT_FN(_type, _field)					\
89 static u64 he_get_##_field(struct hist_entry *he)				\
90 {										\
91 	return he->stat._field;							\
92 }										\
93 										\
94 static int perf_gtk__hpp_color_##_type(struct perf_hpp *hpp,			\
95 				       struct hist_entry *he)			\
96 {										\
97 	return __hpp__color_fmt(hpp, he, he_get_##_field);			\
98 }
99 
100 __HPP_COLOR_PERCENT_FN(overhead, period)
101 __HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
102 __HPP_COLOR_PERCENT_FN(overhead_us, period_us)
103 __HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
104 __HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
105 
106 #undef __HPP_COLOR_PERCENT_FN
107 
108 
109 void perf_gtk__init_hpp(void)
110 {
111 	perf_hpp__column_enable(PERF_HPP__OVERHEAD);
112 
113 	perf_hpp__init();
114 
115 	perf_hpp__format[PERF_HPP__OVERHEAD].color =
116 				perf_gtk__hpp_color_overhead;
117 	perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
118 				perf_gtk__hpp_color_overhead_sys;
119 	perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
120 				perf_gtk__hpp_color_overhead_us;
121 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
122 				perf_gtk__hpp_color_overhead_guest_sys;
123 	perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
124 				perf_gtk__hpp_color_overhead_guest_us;
125 }
126 
127 static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists)
128 {
129 	struct perf_hpp_fmt *fmt;
130 	GType col_types[MAX_COLUMNS];
131 	GtkCellRenderer *renderer;
132 	struct sort_entry *se;
133 	GtkListStore *store;
134 	struct rb_node *nd;
135 	GtkWidget *view;
136 	int col_idx;
137 	int nr_cols;
138 	char s[512];
139 
140 	struct perf_hpp hpp = {
141 		.buf		= s,
142 		.size		= sizeof(s),
143 		.ptr		= hists_to_evsel(hists),
144 	};
145 
146 	nr_cols = 0;
147 
148 	perf_hpp__for_each_format(fmt)
149 		col_types[nr_cols++] = G_TYPE_STRING;
150 
151 	list_for_each_entry(se, &hist_entry__sort_list, list) {
152 		if (se->elide)
153 			continue;
154 
155 		col_types[nr_cols++] = G_TYPE_STRING;
156 	}
157 
158 	store = gtk_list_store_newv(nr_cols, col_types);
159 
160 	view = gtk_tree_view_new();
161 
162 	renderer = gtk_cell_renderer_text_new();
163 
164 	col_idx = 0;
165 
166 	perf_hpp__for_each_format(fmt) {
167 		fmt->header(&hpp);
168 
169 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
170 							    -1, ltrim(s),
171 							    renderer, "markup",
172 							    col_idx++, NULL);
173 	}
174 
175 	list_for_each_entry(se, &hist_entry__sort_list, list) {
176 		if (se->elide)
177 			continue;
178 
179 		gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
180 							    -1, se->se_header,
181 							    renderer, "text",
182 							    col_idx++, NULL);
183 	}
184 
185 	gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
186 
187 	g_object_unref(GTK_TREE_MODEL(store));
188 
189 	for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
190 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
191 		GtkTreeIter iter;
192 
193 		if (h->filtered)
194 			continue;
195 
196 		gtk_list_store_append(store, &iter);
197 
198 		col_idx = 0;
199 
200 		perf_hpp__for_each_format(fmt) {
201 			if (fmt->color)
202 				fmt->color(&hpp, h);
203 			else
204 				fmt->entry(&hpp, h);
205 
206 			gtk_list_store_set(store, &iter, col_idx++, s, -1);
207 		}
208 
209 		list_for_each_entry(se, &hist_entry__sort_list, list) {
210 			if (se->elide)
211 				continue;
212 
213 			se->se_snprintf(h, s, ARRAY_SIZE(s),
214 					hists__col_len(hists, se->se_width_idx));
215 
216 			gtk_list_store_set(store, &iter, col_idx++, s, -1);
217 		}
218 	}
219 
220 	gtk_container_add(GTK_CONTAINER(window), view);
221 }
222 
223 int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
224 				  const char *help,
225 				  struct hist_browser_timer *hbt __maybe_unused)
226 {
227 	struct perf_evsel *pos;
228 	GtkWidget *vbox;
229 	GtkWidget *notebook;
230 	GtkWidget *info_bar;
231 	GtkWidget *statbar;
232 	GtkWidget *window;
233 
234 	signal(SIGSEGV, perf_gtk__signal);
235 	signal(SIGFPE,  perf_gtk__signal);
236 	signal(SIGINT,  perf_gtk__signal);
237 	signal(SIGQUIT, perf_gtk__signal);
238 	signal(SIGTERM, perf_gtk__signal);
239 
240 	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
241 
242 	gtk_window_set_title(GTK_WINDOW(window), "perf report");
243 
244 	g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
245 
246 	pgctx = perf_gtk__activate_context(window);
247 	if (!pgctx)
248 		return -1;
249 
250 	vbox = gtk_vbox_new(FALSE, 0);
251 
252 	notebook = gtk_notebook_new();
253 
254 	gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
255 
256 	info_bar = perf_gtk__setup_info_bar();
257 	if (info_bar)
258 		gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);
259 
260 	statbar = perf_gtk__setup_statusbar();
261 	gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
262 
263 	gtk_container_add(GTK_CONTAINER(window), vbox);
264 
265 	list_for_each_entry(pos, &evlist->entries, node) {
266 		struct hists *hists = &pos->hists;
267 		const char *evname = perf_evsel__name(pos);
268 		GtkWidget *scrolled_window;
269 		GtkWidget *tab_label;
270 		char buf[512];
271 		size_t size = sizeof(buf);
272 
273 		if (symbol_conf.event_group) {
274 			if (!perf_evsel__is_group_leader(pos))
275 				continue;
276 
277 			if (pos->nr_members > 1) {
278 				perf_evsel__group_desc(pos, buf, size);
279 				evname = buf;
280 			}
281 		}
282 
283 		scrolled_window = gtk_scrolled_window_new(NULL, NULL);
284 
285 		gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
286 							GTK_POLICY_AUTOMATIC,
287 							GTK_POLICY_AUTOMATIC);
288 
289 		perf_gtk__show_hists(scrolled_window, hists);
290 
291 		tab_label = gtk_label_new(evname);
292 
293 		gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
294 	}
295 
296 	gtk_widget_show_all(window);
297 
298 	perf_gtk__resize_window(window);
299 
300 	gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
301 
302 	ui_helpline__push(help);
303 
304 	gtk_main();
305 
306 	perf_gtk__deactivate_context(&pgctx);
307 
308 	return 0;
309 }
310