ui/gtk/annotate.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 #include "gtk.h"
0003 #include "util/sort.h"
0004 #include "util/debug.h"
0005 #include "util/annotate.h"
0006 #include "util/evsel.h"
0007 #include "util/map.h"
0008 #include "util/dso.h"
0009 #include "util/symbol.h"
0010 #include "ui/helpline.h"
0011 #include <inttypes.h>
0012 #include <signal.h>
0013
0014 enum {
0015     ANN_COL__PERCENT,
0016     ANN_COL__OFFSET,
0017     ANN_COL__LINE,
0018
0019     MAX_ANN_COLS
0020 };
0021
0022 static const char *const col_names[] = {
0023     "Overhead",
0024     "Offset",
0025     "Line"
0026 };
0027
0028 static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
0029                  struct disasm_line *dl, int evidx)
0030 {
0031     struct sym_hist *symhist;
0032     double percent = 0.0;
0033     const char *markup;
0034     int ret = 0;
0035
0036     strcpy(buf, "");
0037
0038     if (dl->al.offset == (s64) -1)
0039         return 0;
0040
0041     symhist = annotation__histogram(symbol__annotation(sym), evidx);
0042     if (!symbol_conf.event_group && !symhist->addr[dl->al.offset].nr_samples)
0043         return 0;
0044
0045     percent = 100.0 * symhist->addr[dl->al.offset].nr_samples / symhist->nr_samples;
0046
0047     markup = perf_gtk__get_percent_color(percent);
0048     if (markup)
0049         ret += scnprintf(buf, size, "%s", markup);
0050     ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
0051     if (markup)
0052         ret += scnprintf(buf + ret, size - ret, "</span>");
0053
0054     return ret;
0055 }
0056
0057 static int perf_gtk__get_offset(char *buf, size_t size, struct map_symbol *ms,
0058                 struct disasm_line *dl)
0059 {
0060     u64 start = map__rip_2objdump(ms->map, ms->sym->start);
0061
0062     strcpy(buf, "");
0063
0064     if (dl->al.offset == (s64) -1)
0065         return 0;
0066
0067     return scnprintf(buf, size, "%"PRIx64, start + dl->al.offset);
0068 }
0069
0070 static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
0071 {
0072     int ret = 0;
0073     char *line = g_markup_escape_text(dl->al.line, -1);
0074     const char *markup = "<span fgcolor='gray'>";
0075
0076     strcpy(buf, "");
0077
0078     if (!line)
0079         return 0;
0080
0081     if (dl->al.offset != (s64) -1)
0082         markup = NULL;
0083
0084     if (markup)
0085         ret += scnprintf(buf, size, "%s", markup);
0086     ret += scnprintf(buf + ret, size - ret, "%s", line);
0087     if (markup)
0088         ret += scnprintf(buf + ret, size - ret, "</span>");
0089
0090     g_free(line);
0091     return ret;
0092 }
0093
0094 static int perf_gtk__annotate_symbol(GtkWidget *window, struct map_symbol *ms,
0095                 struct evsel *evsel,
0096                 struct hist_browser_timer *hbt __maybe_unused)
0097 {
0098     struct symbol *sym = ms->sym;
0099     struct disasm_line *pos, *n;
0100     struct annotation *notes;
0101     GType col_types[MAX_ANN_COLS];
0102     GtkCellRenderer *renderer;
0103     GtkListStore *store;
0104     GtkWidget *view;
0105     int i;
0106     char s[512];
0107
0108     notes = symbol__annotation(sym);
0109
0110     for (i = 0; i < MAX_ANN_COLS; i++) {
0111         col_types[i] = G_TYPE_STRING;
0112     }
0113     store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
0114
0115     view = gtk_tree_view_new();
0116     renderer = gtk_cell_renderer_text_new();
0117
0118     for (i = 0; i < MAX_ANN_COLS; i++) {
0119         gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
0120                     -1, col_names[i], renderer, "markup",
0121                     i, NULL);
0122     }
0123
0124     gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
0125     g_object_unref(GTK_TREE_MODEL(store));
0126
0127     list_for_each_entry(pos, &notes->src->source, al.node) {
0128         GtkTreeIter iter;
0129         int ret = 0;
0130
0131         gtk_list_store_append(store, &iter);
0132
0133         if (evsel__is_group_event(evsel)) {
0134             for (i = 0; i < evsel->core.nr_members; i++) {
0135                 ret += perf_gtk__get_percent(s + ret,
0136                                  sizeof(s) - ret,
0137                                  sym, pos,
0138                                  evsel->core.idx + i);
0139                 ret += scnprintf(s + ret, sizeof(s) - ret, " ");
0140             }
0141         } else {
0142             ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
0143                             evsel->core.idx);
0144         }
0145
0146         if (ret)
0147             gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
0148         if (perf_gtk__get_offset(s, sizeof(s), ms, pos))
0149             gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
0150         if (perf_gtk__get_line(s, sizeof(s), pos))
0151             gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
0152     }
0153
0154     gtk_container_add(GTK_CONTAINER(window), view);
0155
0156     list_for_each_entry_safe(pos, n, &notes->src->source, al.node) {
0157         list_del_init(&pos->al.node);
0158         disasm_line__free(pos);
0159     }
0160
0161     return 0;
0162 }
0163
0164 static int symbol__gtk_annotate(struct map_symbol *ms, struct evsel *evsel,
0165                 struct hist_browser_timer *hbt)
0166 {
0167     struct symbol *sym = ms->sym;
0168     GtkWidget *window;
0169     GtkWidget *notebook;
0170     GtkWidget *scrolled_window;
0171     GtkWidget *tab_label;
0172     int err;
0173
0174     if (ms->map->dso->annotate_warned)
0175         return -1;
0176
0177     err = symbol__annotate(ms, evsel, &annotation__default_options, NULL);
0178     if (err) {
0179         char msg[BUFSIZ];
0180         ms->map->dso->annotate_warned = true;
0181         symbol__strerror_disassemble(ms, err, msg, sizeof(msg));
0182         ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
0183         return -1;
0184     }
0185
0186     symbol__calc_percent(sym, evsel);
0187
0188     if (perf_gtk__is_active_context(pgctx)) {
0189         window = pgctx->main_window;
0190         notebook = pgctx->notebook;
0191     } else {
0192         GtkWidget *vbox;
0193         GtkWidget *infobar;
0194         GtkWidget *statbar;
0195
0196         signal(SIGSEGV, perf_gtk__signal);
0197         signal(SIGFPE,  perf_gtk__signal);
0198         signal(SIGINT,  perf_gtk__signal);
0199         signal(SIGQUIT, perf_gtk__signal);
0200         signal(SIGTERM, perf_gtk__signal);
0201
0202         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
0203         gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
0204
0205         g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
0206
0207         pgctx = perf_gtk__activate_context(window);
0208         if (!pgctx)
0209             return -1;
0210
0211         vbox = gtk_vbox_new(FALSE, 0);
0212         notebook = gtk_notebook_new();
0213         pgctx->notebook = notebook;
0214
0215         gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
0216
0217         infobar = perf_gtk__setup_info_bar();
0218         if (infobar) {
0219             gtk_box_pack_start(GTK_BOX(vbox), infobar,
0220                        FALSE, FALSE, 0);
0221         }
0222
0223         statbar = perf_gtk__setup_statusbar();
0224         gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
0225
0226         gtk_container_add(GTK_CONTAINER(window), vbox);
0227     }
0228
0229     scrolled_window = gtk_scrolled_window_new(NULL, NULL);
0230     tab_label = gtk_label_new(sym->name);
0231
0232     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
0233                        GTK_POLICY_AUTOMATIC,
0234                        GTK_POLICY_AUTOMATIC);
0235
0236     gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
0237                  tab_label);
0238
0239     perf_gtk__annotate_symbol(scrolled_window, ms, evsel, hbt);
0240     return 0;
0241 }
0242
0243 int hist_entry__gtk_annotate(struct hist_entry *he,
0244                  struct evsel *evsel,
0245                  struct hist_browser_timer *hbt)
0246 {
0247     return symbol__gtk_annotate(&he->ms, evsel, hbt);
0248 }
0249
0250 void perf_gtk__show_annotations(void)
0251 {
0252     GtkWidget *window;
0253
0254     if (!perf_gtk__is_active_context(pgctx))
0255         return;
0256
0257     window = pgctx->main_window;
0258     gtk_widget_show_all(window);
0259
0260     perf_gtk__resize_window(window);
0261     gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
0262
0263     gtk_main();
0264
0265     perf_gtk__deactivate_context(&pgctx);
0266 }