linux/tools/perf/ui/gtk/annotate.c
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   1// SPDX-License-Identifier: GPL-2.0
   2#include "gtk.h"
   3#include "util/debug.h"
   4#include "util/annotate.h"
   5#include "util/evsel.h"
   6#include "ui/helpline.h"
   7#include <inttypes.h>
   8#include <signal.h>
   9
  10enum {
  11        ANN_COL__PERCENT,
  12        ANN_COL__OFFSET,
  13        ANN_COL__LINE,
  14
  15        MAX_ANN_COLS
  16};
  17
  18static const char *const col_names[] = {
  19        "Overhead",
  20        "Offset",
  21        "Line"
  22};
  23
  24static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
  25                                 struct disasm_line *dl, int evidx)
  26{
  27        struct sym_hist *symhist;
  28        double percent = 0.0;
  29        const char *markup;
  30        int ret = 0;
  31
  32        strcpy(buf, "");
  33
  34        if (dl->al.offset == (s64) -1)
  35                return 0;
  36
  37        symhist = annotation__histogram(symbol__annotation(sym), evidx);
  38        if (!symbol_conf.event_group && !symhist->addr[dl->al.offset].nr_samples)
  39                return 0;
  40
  41        percent = 100.0 * symhist->addr[dl->al.offset].nr_samples / symhist->nr_samples;
  42
  43        markup = perf_gtk__get_percent_color(percent);
  44        if (markup)
  45                ret += scnprintf(buf, size, "%s", markup);
  46        ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
  47        if (markup)
  48                ret += scnprintf(buf + ret, size - ret, "</span>");
  49
  50        return ret;
  51}
  52
  53static int perf_gtk__get_offset(char *buf, size_t size, struct symbol *sym,
  54                                struct map *map, struct disasm_line *dl)
  55{
  56        u64 start = map__rip_2objdump(map, sym->start);
  57
  58        strcpy(buf, "");
  59
  60        if (dl->al.offset == (s64) -1)
  61                return 0;
  62
  63        return scnprintf(buf, size, "%"PRIx64, start + dl->al.offset);
  64}
  65
  66static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
  67{
  68        int ret = 0;
  69        char *line = g_markup_escape_text(dl->al.line, -1);
  70        const char *markup = "<span fgcolor='gray'>";
  71
  72        strcpy(buf, "");
  73
  74        if (!line)
  75                return 0;
  76
  77        if (dl->al.offset != (s64) -1)
  78                markup = NULL;
  79
  80        if (markup)
  81                ret += scnprintf(buf, size, "%s", markup);
  82        ret += scnprintf(buf + ret, size - ret, "%s", line);
  83        if (markup)
  84                ret += scnprintf(buf + ret, size - ret, "</span>");
  85
  86        g_free(line);
  87        return ret;
  88}
  89
  90static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
  91                                struct map *map, struct perf_evsel *evsel,
  92                                struct hist_browser_timer *hbt __maybe_unused)
  93{
  94        struct disasm_line *pos, *n;
  95        struct annotation *notes;
  96        GType col_types[MAX_ANN_COLS];
  97        GtkCellRenderer *renderer;
  98        GtkListStore *store;
  99        GtkWidget *view;
 100        int i;
 101        char s[512];
 102
 103        notes = symbol__annotation(sym);
 104
 105        for (i = 0; i < MAX_ANN_COLS; i++) {
 106                col_types[i] = G_TYPE_STRING;
 107        }
 108        store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
 109
 110        view = gtk_tree_view_new();
 111        renderer = gtk_cell_renderer_text_new();
 112
 113        for (i = 0; i < MAX_ANN_COLS; i++) {
 114                gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 115                                        -1, col_names[i], renderer, "markup",
 116                                        i, NULL);
 117        }
 118
 119        gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
 120        g_object_unref(GTK_TREE_MODEL(store));
 121
 122        list_for_each_entry(pos, &notes->src->source, al.node) {
 123                GtkTreeIter iter;
 124                int ret = 0;
 125
 126                gtk_list_store_append(store, &iter);
 127
 128                if (perf_evsel__is_group_event(evsel)) {
 129                        for (i = 0; i < evsel->nr_members; i++) {
 130                                ret += perf_gtk__get_percent(s + ret,
 131                                                             sizeof(s) - ret,
 132                                                             sym, pos,
 133                                                             evsel->idx + i);
 134                                ret += scnprintf(s + ret, sizeof(s) - ret, " ");
 135                        }
 136                } else {
 137                        ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
 138                                                    evsel->idx);
 139                }
 140
 141                if (ret)
 142                        gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
 143                if (perf_gtk__get_offset(s, sizeof(s), sym, map, pos))
 144                        gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
 145                if (perf_gtk__get_line(s, sizeof(s), pos))
 146                        gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
 147        }
 148
 149        gtk_container_add(GTK_CONTAINER(window), view);
 150
 151        list_for_each_entry_safe(pos, n, &notes->src->source, al.node) {
 152                list_del(&pos->al.node);
 153                disasm_line__free(pos);
 154        }
 155
 156        return 0;
 157}
 158
 159static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
 160                                struct perf_evsel *evsel,
 161                                struct hist_browser_timer *hbt)
 162{
 163        GtkWidget *window;
 164        GtkWidget *notebook;
 165        GtkWidget *scrolled_window;
 166        GtkWidget *tab_label;
 167        int err;
 168
 169        if (map->dso->annotate_warned)
 170                return -1;
 171
 172        err = symbol__annotate(sym, map, evsel, 0, NULL);
 173        if (err) {
 174                char msg[BUFSIZ];
 175                symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
 176                ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
 177                return -1;
 178        }
 179
 180        symbol__calc_percent(sym, evsel);
 181
 182        if (perf_gtk__is_active_context(pgctx)) {
 183                window = pgctx->main_window;
 184                notebook = pgctx->notebook;
 185        } else {
 186                GtkWidget *vbox;
 187                GtkWidget *infobar;
 188                GtkWidget *statbar;
 189
 190                signal(SIGSEGV, perf_gtk__signal);
 191                signal(SIGFPE,  perf_gtk__signal);
 192                signal(SIGINT,  perf_gtk__signal);
 193                signal(SIGQUIT, perf_gtk__signal);
 194                signal(SIGTERM, perf_gtk__signal);
 195
 196                window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 197                gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
 198
 199                g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 200
 201                pgctx = perf_gtk__activate_context(window);
 202                if (!pgctx)
 203                        return -1;
 204
 205                vbox = gtk_vbox_new(FALSE, 0);
 206                notebook = gtk_notebook_new();
 207                pgctx->notebook = notebook;
 208
 209                gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 210
 211                infobar = perf_gtk__setup_info_bar();
 212                if (infobar) {
 213                        gtk_box_pack_start(GTK_BOX(vbox), infobar,
 214                                           FALSE, FALSE, 0);
 215                }
 216
 217                statbar = perf_gtk__setup_statusbar();
 218                gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 219
 220                gtk_container_add(GTK_CONTAINER(window), vbox);
 221        }
 222
 223        scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 224        tab_label = gtk_label_new(sym->name);
 225
 226        gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 227                                       GTK_POLICY_AUTOMATIC,
 228                                       GTK_POLICY_AUTOMATIC);
 229
 230        gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
 231                                 tab_label);
 232
 233        perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt);
 234        return 0;
 235}
 236
 237int hist_entry__gtk_annotate(struct hist_entry *he,
 238                             struct perf_evsel *evsel,
 239                             struct hist_browser_timer *hbt)
 240{
 241        return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt);
 242}
 243
 244void perf_gtk__show_annotations(void)
 245{
 246        GtkWidget *window;
 247
 248        if (!perf_gtk__is_active_context(pgctx))
 249                return;
 250
 251        window = pgctx->main_window;
 252        gtk_widget_show_all(window);
 253
 254        perf_gtk__resize_window(window);
 255        gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 256
 257        gtk_main();
 258
 259        perf_gtk__deactivate_context(&pgctx);
 260}
 261