perf ui/stdio: Fix invalid percentage value of cumulated hist entries
[deliverable/linux.git] / tools / perf / ui / gtk / hists.c
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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
a0088adc 11static int __percent_color_snprintf(struct perf_hpp *hpp, const char *fmt, ...)
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12{
13 int ret = 0;
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14 va_list args;
15 double percent;
843985e9 16 const char *markup;
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17 char *buf = hpp->buf;
18 size_t size = hpp->size;
843985e9 19
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20 va_start(args, fmt);
21 percent = va_arg(args, double);
22 va_end(args);
23
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24 markup = perf_gtk__get_percent_color(percent);
25 if (markup)
26 ret += scnprintf(buf, size, markup);
27
4a62109f 28 ret += scnprintf(buf + ret, size - ret, fmt, percent);
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29
30 if (markup)
31 ret += scnprintf(buf + ret, size - ret, "</span>");
32
33 return ret;
34}
35
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36#define __HPP_COLOR_PERCENT_FN(_type, _field) \
37static u64 he_get_##_field(struct hist_entry *he) \
0da41ce9 38{ \
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39 return he->stat._field; \
40} \
0da41ce9 41 \
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42static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
43 struct perf_hpp *hpp, \
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44 struct hist_entry *he) \
45{ \
fb821c9e 46 return __hpp__fmt(hpp, he, he_get_##_field, " %6.2f%%", \
4a62109f 47 __percent_color_snprintf, true); \
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48}
49
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50#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \
51static u64 he_get_acc_##_field(struct hist_entry *he) \
52{ \
53 return he->stat_acc->_field; \
54} \
55 \
56static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt __maybe_unused, \
57 struct perf_hpp *hpp, \
58 struct hist_entry *he) \
59{ \
60 return __hpp__fmt_acc(hpp, he, he_get_acc_##_field, " %6.2f%%", \
61 __percent_color_snprintf, true); \
62}
63
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64__HPP_COLOR_PERCENT_FN(overhead, period)
65__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
66__HPP_COLOR_PERCENT_FN(overhead_us, period_us)
67__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
68__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
b09955b2 69__HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period)
0da41ce9 70
843985e9 71#undef __HPP_COLOR_PERCENT_FN
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72
73
74void perf_gtk__init_hpp(void)
75{
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76 perf_hpp__format[PERF_HPP__OVERHEAD].color =
77 perf_gtk__hpp_color_overhead;
78 perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
79 perf_gtk__hpp_color_overhead_sys;
80 perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
81 perf_gtk__hpp_color_overhead_us;
82 perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
83 perf_gtk__hpp_color_overhead_guest_sys;
84 perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
85 perf_gtk__hpp_color_overhead_guest_us;
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86 perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color =
87 perf_gtk__hpp_color_overhead_acc;
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88}
89
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90static void callchain_list__sym_name(struct callchain_list *cl,
91 char *bf, size_t bfsize)
92{
93 if (cl->ms.sym)
94 scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
95 else
96 scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
97}
98
99static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
cc60f24e 100 GtkTreeIter *parent, int col, u64 total)
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101{
102 struct rb_node *nd;
103 bool has_single_node = (rb_first(root) == rb_last(root));
104
105 for (nd = rb_first(root); nd; nd = rb_next(nd)) {
106 struct callchain_node *node;
107 struct callchain_list *chain;
108 GtkTreeIter iter, new_parent;
109 bool need_new_parent;
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110 double percent;
111 u64 hits, child_total;
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112
113 node = rb_entry(nd, struct callchain_node, rb_node);
114
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115 hits = callchain_cumul_hits(node);
116 percent = 100.0 * hits / total;
117
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118 new_parent = *parent;
119 need_new_parent = !has_single_node && (node->val_nr > 1);
120
121 list_for_each_entry(chain, &node->val, list) {
122 char buf[128];
123
124 gtk_tree_store_append(store, &iter, &new_parent);
125
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126 scnprintf(buf, sizeof(buf), "%5.2f%%", percent);
127 gtk_tree_store_set(store, &iter, 0, buf, -1);
128
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129 callchain_list__sym_name(chain, buf, sizeof(buf));
130 gtk_tree_store_set(store, &iter, col, buf, -1);
131
132 if (need_new_parent) {
133 /*
134 * Only show the top-most symbol in a callchain
135 * if it's not the only callchain.
136 */
137 new_parent = iter;
138 need_new_parent = false;
139 }
140 }
141
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142 if (callchain_param.mode == CHAIN_GRAPH_REL)
143 child_total = node->children_hit;
144 else
145 child_total = total;
146
2bbc5874 147 /* Now 'iter' contains info of the last callchain_list */
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148 perf_gtk__add_callchain(&node->rb_root, store, &iter, col,
149 child_total);
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150 }
151}
152
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153static void on_row_activated(GtkTreeView *view, GtkTreePath *path,
154 GtkTreeViewColumn *col __maybe_unused,
155 gpointer user_data __maybe_unused)
156{
157 bool expanded = gtk_tree_view_row_expanded(view, path);
158
159 if (expanded)
160 gtk_tree_view_collapse_row(view, path);
161 else
162 gtk_tree_view_expand_row(view, path, FALSE);
163}
164
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165static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
166 float min_pcnt)
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167{
168 struct perf_hpp_fmt *fmt;
169 GType col_types[MAX_COLUMNS];
170 GtkCellRenderer *renderer;
f1d9a530 171 GtkTreeStore *store;
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172 struct rb_node *nd;
173 GtkWidget *view;
174 int col_idx;
2bbc5874 175 int sym_col = -1;
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176 int nr_cols;
177 char s[512];
178
179 struct perf_hpp hpp = {
180 .buf = s,
181 .size = sizeof(s),
182 };
183
184 nr_cols = 0;
185
186 perf_hpp__for_each_format(fmt)
187 col_types[nr_cols++] = G_TYPE_STRING;
188
f1d9a530 189 store = gtk_tree_store_newv(nr_cols, col_types);
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190
191 view = gtk_tree_view_new();
192
193 renderer = gtk_cell_renderer_text_new();
194
195 col_idx = 0;
196
197 perf_hpp__for_each_format(fmt) {
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198 if (perf_hpp__should_skip(fmt))
199 continue;
200
94a0793d 201 fmt->header(fmt, &hpp, hists_to_evsel(hists));
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202
203 gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
34b95643 204 -1, ltrim(s),
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205 renderer, "markup",
206 col_idx++, NULL);
207 }
208
1a309426 209 for (col_idx = 0; col_idx < nr_cols; col_idx++) {
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210 GtkTreeViewColumn *column;
211
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212 column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
213 gtk_tree_view_column_set_resizable(column, TRUE);
214
215 if (col_idx == sym_col) {
216 gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
217 column);
218 }
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219 }
220
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221 gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
222
223 g_object_unref(GTK_TREE_MODEL(store));
224
225 for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
226 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
227 GtkTreeIter iter;
f2148330 228 u64 total = hists__total_period(h->hists);
14135663 229 float percent;
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230
231 if (h->filtered)
232 continue;
233
14135663 234 percent = hist_entry__get_percent_limit(h);
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235 if (percent < min_pcnt)
236 continue;
237
f1d9a530 238 gtk_tree_store_append(store, &iter, NULL);
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239
240 col_idx = 0;
241
242 perf_hpp__for_each_format(fmt) {
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243 if (perf_hpp__should_skip(fmt))
244 continue;
245
0da41ce9 246 if (fmt->color)
2c5d4b4a 247 fmt->color(fmt, &hpp, h);
0da41ce9 248 else
2c5d4b4a 249 fmt->entry(fmt, &hpp, h);
0da41ce9 250
f1d9a530 251 gtk_tree_store_set(store, &iter, col_idx++, s, -1);
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252 }
253
2bbc5874 254 if (symbol_conf.use_callchain && sort__has_sym) {
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255 if (callchain_param.mode == CHAIN_GRAPH_REL)
256 total = h->stat.period;
cc60f24e 257
2bbc5874 258 perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
cc60f24e 259 sym_col, total);
2bbc5874 260 }
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261 }
262
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263 gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
264
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265 g_signal_connect(view, "row-activated",
266 G_CALLBACK(on_row_activated), NULL);
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267 gtk_container_add(GTK_CONTAINER(window), view);
268}
269
270int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
271 const char *help,
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272 struct hist_browser_timer *hbt __maybe_unused,
273 float min_pcnt)
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274{
275 struct perf_evsel *pos;
276 GtkWidget *vbox;
277 GtkWidget *notebook;
278 GtkWidget *info_bar;
279 GtkWidget *statbar;
280 GtkWidget *window;
281
282 signal(SIGSEGV, perf_gtk__signal);
283 signal(SIGFPE, perf_gtk__signal);
284 signal(SIGINT, perf_gtk__signal);
285 signal(SIGQUIT, perf_gtk__signal);
286 signal(SIGTERM, perf_gtk__signal);
287
288 window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
289
290 gtk_window_set_title(GTK_WINDOW(window), "perf report");
291
292 g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
293
294 pgctx = perf_gtk__activate_context(window);
295 if (!pgctx)
296 return -1;
297
298 vbox = gtk_vbox_new(FALSE, 0);
299
300 notebook = gtk_notebook_new();
301
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302 gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
303
304 info_bar = perf_gtk__setup_info_bar();
305 if (info_bar)
306 gtk_box_pack_start(GTK_BOX(vbox), info_bar, FALSE, FALSE, 0);
307
308 statbar = perf_gtk__setup_statusbar();
309 gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
310
311 gtk_container_add(GTK_CONTAINER(window), vbox);
312
0050f7aa 313 evlist__for_each(evlist, pos) {
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314 struct hists *hists = &pos->hists;
315 const char *evname = perf_evsel__name(pos);
316 GtkWidget *scrolled_window;
317 GtkWidget *tab_label;
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318 char buf[512];
319 size_t size = sizeof(buf);
0da41ce9 320
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321 if (symbol_conf.event_group) {
322 if (!perf_evsel__is_group_leader(pos))
323 continue;
324
325 if (pos->nr_members > 1) {
326 perf_evsel__group_desc(pos, buf, size);
327 evname = buf;
328 }
329 }
fc24d7c2 330
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331 scrolled_window = gtk_scrolled_window_new(NULL, NULL);
332
333 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
334 GTK_POLICY_AUTOMATIC,
335 GTK_POLICY_AUTOMATIC);
336
064f1981 337 perf_gtk__show_hists(scrolled_window, hists, min_pcnt);
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338
339 tab_label = gtk_label_new(evname);
340
341 gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
342 }
343
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344 gtk_widget_show_all(window);
345
346 perf_gtk__resize_window(window);
347
348 gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
349
350 ui_helpline__push(help);
351
352 gtk_main();
353
354 perf_gtk__deactivate_context(&pgctx);
355
356 return 0;
357}
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