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/sort.h"
   4#include "util/debug.h"
   5#include "util/annotate.h"
   6#include "util/evsel.h"
   7#include "util/map.h"
   8#include "util/dso.h"
   9#include "util/symbol.h"
  10#include "ui/helpline.h"
  11#include <inttypes.h>
  12#include <signal.h>
  13
  14enum {
  15        ANN_COL__PERCENT,
  16        ANN_COL__OFFSET,
  17        ANN_COL__LINE,
  18
  19        MAX_ANN_COLS
  20};
  21
  22static const char *const col_names[] = {
  23        "Overhead",
  24        "Offset",
  25        "Line"
  26};
  27
  28static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
  29                                 struct disasm_line *dl, int evidx)
  30{
  31        struct sym_hist *symhist;
  32        double percent = 0.0;
  33        const char *markup;
  34        int ret = 0;
  35
  36        strcpy(buf, "");
  37
  38        if (dl->al.offset == (s64) -1)
  39                return 0;
  40
  41        symhist = annotation__histogram(symbol__annotation(sym), evidx);
  42        if (!symbol_conf.event_group && !symhist->addr[dl->al.offset].nr_samples)
  43                return 0;
  44
  45        percent = 100.0 * symhist->addr[dl->al.offset].nr_samples / symhist->nr_samples;
  46
  47        markup = perf_gtk__get_percent_color(percent);
  48        if (markup)
  49                ret += scnprintf(buf, size, "%s", markup);
  50        ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
  51        if (markup)
  52                ret += scnprintf(buf + ret, size - ret, "</span>");
  53
  54        return ret;
  55}
  56
  57static int perf_gtk__get_offset(char *buf, size_t size, struct map_symbol *ms,
  58                                struct disasm_line *dl)
  59{
  60        u64 start = map__rip_2objdump(ms->map, ms->sym->start);
  61
  62        strcpy(buf, "");
  63
  64        if (dl->al.offset == (s64) -1)
  65                return 0;
  66
  67        return scnprintf(buf, size, "%"PRIx64, start + dl->al.offset);
  68}
  69
  70static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
  71{
  72        int ret = 0;
  73        char *line = g_markup_escape_text(dl->al.line, -1);
  74        const char *markup = "<span fgcolor='gray'>";
  75
  76        strcpy(buf, "");
  77
  78        if (!line)
  79                return 0;
  80
  81        if (dl->al.offset != (s64) -1)
  82                markup = NULL;
  83
  84        if (markup)
  85                ret += scnprintf(buf, size, "%s", markup);
  86        ret += scnprintf(buf + ret, size - ret, "%s", line);
  87        if (markup)
  88                ret += scnprintf(buf + ret, size - ret, "</span>");
  89
  90        g_free(line);
  91        return ret;
  92}
  93
  94static int perf_gtk__annotate_symbol(GtkWidget *window, struct map_symbol *ms,
  95                                struct evsel *evsel,
  96                                struct hist_browser_timer *hbt __maybe_unused)
  97{
  98        struct symbol *sym = ms->sym;
  99        struct disasm_line *pos, *n;
 100        struct annotation *notes;
 101        GType col_types[MAX_ANN_COLS];
 102        GtkCellRenderer *renderer;
 103        GtkListStore *store;
 104        GtkWidget *view;
 105        int i;
 106        char s[512];
 107
 108        notes = symbol__annotation(sym);
 109
 110        for (i = 0; i < MAX_ANN_COLS; i++) {
 111                col_types[i] = G_TYPE_STRING;
 112        }
 113        store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
 114
 115        view = gtk_tree_view_new();
 116        renderer = gtk_cell_renderer_text_new();
 117
 118        for (i = 0; i < MAX_ANN_COLS; i++) {
 119                gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 120                                        -1, col_names[i], renderer, "markup",
 121                                        i, NULL);
 122        }
 123
 124        gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
 125        g_object_unref(GTK_TREE_MODEL(store));
 126
 127        list_for_each_entry(pos, &notes->src->source, al.node) {
 128                GtkTreeIter iter;
 129                int ret = 0;
 130
 131                gtk_list_store_append(store, &iter);
 132
 133                if (evsel__is_group_event(evsel)) {
 134                        for (i = 0; i < evsel->core.nr_members; i++) {
 135                                ret += perf_gtk__get_percent(s + ret,
 136                                                             sizeof(s) - ret,
 137                                                             sym, pos,
 138                                                             evsel->core.idx + i);
 139                                ret += scnprintf(s + ret, sizeof(s) - ret, " ");
 140                        }
 141                } else {
 142                        ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
 143                                                    evsel->core.idx);
 144                }
 145
 146                if (ret)
 147                        gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
 148                if (perf_gtk__get_offset(s, sizeof(s), ms, pos))
 149                        gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
 150                if (perf_gtk__get_line(s, sizeof(s), pos))
 151                        gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
 152        }
 153
 154        gtk_container_add(GTK_CONTAINER(window), view);
 155
 156        list_for_each_entry_safe(pos, n, &notes->src->source, al.node) {
 157                list_del_init(&pos->al.node);
 158                disasm_line__free(pos);
 159        }
 160
 161        return 0;
 162}
 163
 164static int symbol__gtk_annotate(struct map_symbol *ms, struct evsel *evsel,
 165                                struct hist_browser_timer *hbt)
 166{
 167        struct symbol *sym = ms->sym;
 168        GtkWidget *window;
 169        GtkWidget *notebook;
 170        GtkWidget *scrolled_window;
 171        GtkWidget *tab_label;
 172        int err;
 173
 174        if (ms->map->dso->annotate_warned)
 175                return -1;
 176
 177        err = symbol__annotate(ms, evsel, &annotation__default_options, NULL);
 178        if (err) {
 179                char msg[BUFSIZ];
 180                ms->map->dso->annotate_warned = true;
 181                symbol__strerror_disassemble(ms, err, msg, sizeof(msg));
 182                ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
 183                return -1;
 184        }
 185
 186        symbol__calc_percent(sym, evsel);
 187
 188        if (perf_gtk__is_active_context(pgctx)) {
 189                window = pgctx->main_window;
 190                notebook = pgctx->notebook;
 191        } else {
 192                GtkWidget *vbox;
 193                GtkWidget *infobar;
 194                GtkWidget *statbar;
 195
 196                signal(SIGSEGV, perf_gtk__signal);
 197                signal(SIGFPE,  perf_gtk__signal);
 198                signal(SIGINT,  perf_gtk__signal);
 199                signal(SIGQUIT, perf_gtk__signal);
 200                signal(SIGTERM, perf_gtk__signal);
 201
 202                window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 203                gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
 204
 205                g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 206
 207                pgctx = perf_gtk__activate_context(window);
 208                if (!pgctx)
 209                        return -1;
 210
 211                vbox = gtk_vbox_new(FALSE, 0);
 212                notebook = gtk_notebook_new();
 213                pgctx->notebook = notebook;
 214
 215                gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 216
 217                infobar = perf_gtk__setup_info_bar();
 218                if (infobar) {
 219                        gtk_box_pack_start(GTK_BOX(vbox), infobar,
 220                                           FALSE, FALSE, 0);
 221                }
 222
 223                statbar = perf_gtk__setup_statusbar();
 224                gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 225
 226                gtk_container_add(GTK_CONTAINER(window), vbox);
 227        }
 228
 229        scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 230        tab_label = gtk_label_new(sym->name);
 231
 232        gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 233                                       GTK_POLICY_AUTOMATIC,
 234                                       GTK_POLICY_AUTOMATIC);
 235
 236        gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
 237                                 tab_label);
 238
 239        perf_gtk__annotate_symbol(scrolled_window, ms, evsel, hbt);
 240        return 0;
 241}
 242
 243int hist_entry__gtk_annotate(struct hist_entry *he,
 244                             struct evsel *evsel,
 245                             struct hist_browser_timer *hbt)
 246{
 247        return symbol__gtk_annotate(&he->ms, evsel, hbt);
 248}
 249
 250void perf_gtk__show_annotations(void)
 251{
 252        GtkWidget *window;
 253
 254        if (!perf_gtk__is_active_context(pgctx))
 255                return;
 256
 257        window = pgctx->main_window;
 258        gtk_widget_show_all(window);
 259
 260        perf_gtk__resize_window(window);
 261        gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 262
 263        gtk_main();
 264
 265        perf_gtk__deactivate_context(&pgctx);
 266}
 267