linux/tools/perf/ui/gtk/annotate.c
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   1#include "gtk.h"
   2#include "util/debug.h"
   3#include "util/annotate.h"
   4#include "util/evsel.h"
   5#include "ui/helpline.h"
   6#include <inttypes.h>
   7#include <signal.h>
   8
   9enum {
  10        ANN_COL__PERCENT,
  11        ANN_COL__OFFSET,
  12        ANN_COL__LINE,
  13
  14        MAX_ANN_COLS
  15};
  16
  17static const char *const col_names[] = {
  18        "Overhead",
  19        "Offset",
  20        "Line"
  21};
  22
  23static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
  24                                 struct disasm_line *dl, int evidx)
  25{
  26        struct sym_hist *symhist;
  27        double percent = 0.0;
  28        const char *markup;
  29        int ret = 0;
  30
  31        strcpy(buf, "");
  32
  33        if (dl->offset == (s64) -1)
  34                return 0;
  35
  36        symhist = annotation__histogram(symbol__annotation(sym), evidx);
  37        if (!symbol_conf.event_group && !symhist->addr[dl->offset])
  38                return 0;
  39
  40        percent = 100.0 * symhist->addr[dl->offset] / symhist->sum;
  41
  42        markup = perf_gtk__get_percent_color(percent);
  43        if (markup)
  44                ret += scnprintf(buf, size, "%s", markup);
  45        ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
  46        if (markup)
  47                ret += scnprintf(buf + ret, size - ret, "</span>");
  48
  49        return ret;
  50}
  51
  52static int perf_gtk__get_offset(char *buf, size_t size, struct symbol *sym,
  53                                struct map *map, struct disasm_line *dl)
  54{
  55        u64 start = map__rip_2objdump(map, sym->start);
  56
  57        strcpy(buf, "");
  58
  59        if (dl->offset == (s64) -1)
  60                return 0;
  61
  62        return scnprintf(buf, size, "%"PRIx64, start + dl->offset);
  63}
  64
  65static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
  66{
  67        int ret = 0;
  68        char *line = g_markup_escape_text(dl->line, -1);
  69        const char *markup = "<span fgcolor='gray'>";
  70
  71        strcpy(buf, "");
  72
  73        if (!line)
  74                return 0;
  75
  76        if (dl->offset != (s64) -1)
  77                markup = NULL;
  78
  79        if (markup)
  80                ret += scnprintf(buf, size, "%s", markup);
  81        ret += scnprintf(buf + ret, size - ret, "%s", line);
  82        if (markup)
  83                ret += scnprintf(buf + ret, size - ret, "</span>");
  84
  85        g_free(line);
  86        return ret;
  87}
  88
  89static int perf_gtk__annotate_symbol(GtkWidget *window, struct symbol *sym,
  90                                struct map *map, struct perf_evsel *evsel,
  91                                struct hist_browser_timer *hbt __maybe_unused)
  92{
  93        struct disasm_line *pos, *n;
  94        struct annotation *notes;
  95        GType col_types[MAX_ANN_COLS];
  96        GtkCellRenderer *renderer;
  97        GtkListStore *store;
  98        GtkWidget *view;
  99        int i;
 100        char s[512];
 101
 102        notes = symbol__annotation(sym);
 103
 104        for (i = 0; i < MAX_ANN_COLS; i++) {
 105                col_types[i] = G_TYPE_STRING;
 106        }
 107        store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
 108
 109        view = gtk_tree_view_new();
 110        renderer = gtk_cell_renderer_text_new();
 111
 112        for (i = 0; i < MAX_ANN_COLS; i++) {
 113                gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
 114                                        -1, col_names[i], renderer, "markup",
 115                                        i, NULL);
 116        }
 117
 118        gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
 119        g_object_unref(GTK_TREE_MODEL(store));
 120
 121        list_for_each_entry(pos, &notes->src->source, node) {
 122                GtkTreeIter iter;
 123                int ret = 0;
 124
 125                gtk_list_store_append(store, &iter);
 126
 127                if (perf_evsel__is_group_event(evsel)) {
 128                        for (i = 0; i < evsel->nr_members; i++) {
 129                                ret += perf_gtk__get_percent(s + ret,
 130                                                             sizeof(s) - ret,
 131                                                             sym, pos,
 132                                                             evsel->idx + i);
 133                                ret += scnprintf(s + ret, sizeof(s) - ret, " ");
 134                        }
 135                } else {
 136                        ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
 137                                                    evsel->idx);
 138                }
 139
 140                if (ret)
 141                        gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
 142                if (perf_gtk__get_offset(s, sizeof(s), sym, map, pos))
 143                        gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
 144                if (perf_gtk__get_line(s, sizeof(s), pos))
 145                        gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
 146        }
 147
 148        gtk_container_add(GTK_CONTAINER(window), view);
 149
 150        list_for_each_entry_safe(pos, n, &notes->src->source, node) {
 151                list_del(&pos->node);
 152                disasm_line__free(pos);
 153        }
 154
 155        return 0;
 156}
 157
 158static int symbol__gtk_annotate(struct symbol *sym, struct map *map,
 159                                struct perf_evsel *evsel,
 160                                struct hist_browser_timer *hbt)
 161{
 162        GtkWidget *window;
 163        GtkWidget *notebook;
 164        GtkWidget *scrolled_window;
 165        GtkWidget *tab_label;
 166        int err;
 167
 168        if (map->dso->annotate_warned)
 169                return -1;
 170
 171        err = symbol__disassemble(sym, map, perf_evsel__env_arch(evsel),
 172                                  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        if (perf_gtk__is_active_context(pgctx)) {
 181                window = pgctx->main_window;
 182                notebook = pgctx->notebook;
 183        } else {
 184                GtkWidget *vbox;
 185                GtkWidget *infobar;
 186                GtkWidget *statbar;
 187
 188                signal(SIGSEGV, perf_gtk__signal);
 189                signal(SIGFPE,  perf_gtk__signal);
 190                signal(SIGINT,  perf_gtk__signal);
 191                signal(SIGQUIT, perf_gtk__signal);
 192                signal(SIGTERM, perf_gtk__signal);
 193
 194                window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 195                gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
 196
 197                g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
 198
 199                pgctx = perf_gtk__activate_context(window);
 200                if (!pgctx)
 201                        return -1;
 202
 203                vbox = gtk_vbox_new(FALSE, 0);
 204                notebook = gtk_notebook_new();
 205                pgctx->notebook = notebook;
 206
 207                gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
 208
 209                infobar = perf_gtk__setup_info_bar();
 210                if (infobar) {
 211                        gtk_box_pack_start(GTK_BOX(vbox), infobar,
 212                                           FALSE, FALSE, 0);
 213                }
 214
 215                statbar = perf_gtk__setup_statusbar();
 216                gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
 217
 218                gtk_container_add(GTK_CONTAINER(window), vbox);
 219        }
 220
 221        scrolled_window = gtk_scrolled_window_new(NULL, NULL);
 222        tab_label = gtk_label_new(sym->name);
 223
 224        gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
 225                                       GTK_POLICY_AUTOMATIC,
 226                                       GTK_POLICY_AUTOMATIC);
 227
 228        gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
 229                                 tab_label);
 230
 231        perf_gtk__annotate_symbol(scrolled_window, sym, map, evsel, hbt);
 232        return 0;
 233}
 234
 235int hist_entry__gtk_annotate(struct hist_entry *he,
 236                             struct perf_evsel *evsel,
 237                             struct hist_browser_timer *hbt)
 238{
 239        return symbol__gtk_annotate(he->ms.sym, he->ms.map, evsel, hbt);
 240}
 241
 242void perf_gtk__show_annotations(void)
 243{
 244        GtkWidget *window;
 245
 246        if (!perf_gtk__is_active_context(pgctx))
 247                return;
 248
 249        window = pgctx->main_window;
 250        gtk_widget_show_all(window);
 251
 252        perf_gtk__resize_window(window);
 253        gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 254
 255        gtk_main();
 256
 257        perf_gtk__deactivate_context(&pgctx);
 258}
 259
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