Staging
v0.6.0
v0.6.0
https://github.com/torvalds/linux
Tip revision: fe15c26ee26efa11741a7b632e9f23b01aca4cc6 authored by Linus Torvalds on 05 March 2023, 22:52:03 UTC
Linux 6.3-rc1
Linux 6.3-rc1
Tip revision: fe15c26
annotate.c
// SPDX-License-Identifier: GPL-2.0
#include "gtk.h"
#include "util/sort.h"
#include "util/debug.h"
#include "util/annotate.h"
#include "util/evsel.h"
#include "util/map.h"
#include "util/dso.h"
#include "util/symbol.h"
#include "ui/helpline.h"
#include <inttypes.h>
#include <signal.h>
enum {
ANN_COL__PERCENT,
ANN_COL__OFFSET,
ANN_COL__LINE,
MAX_ANN_COLS
};
static const char *const col_names[] = {
"Overhead",
"Offset",
"Line"
};
static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
struct disasm_line *dl, int evidx)
{
struct sym_hist *symhist;
double percent = 0.0;
const char *markup;
int ret = 0;
strcpy(buf, "");
if (dl->al.offset == (s64) -1)
return 0;
symhist = annotation__histogram(symbol__annotation(sym), evidx);
if (!symbol_conf.event_group && !symhist->addr[dl->al.offset].nr_samples)
return 0;
percent = 100.0 * symhist->addr[dl->al.offset].nr_samples / symhist->nr_samples;
markup = perf_gtk__get_percent_color(percent);
if (markup)
ret += scnprintf(buf, size, "%s", markup);
ret += scnprintf(buf + ret, size - ret, "%6.2f%%", percent);
if (markup)
ret += scnprintf(buf + ret, size - ret, "</span>");
return ret;
}
static int perf_gtk__get_offset(char *buf, size_t size, struct map_symbol *ms,
struct disasm_line *dl)
{
u64 start = map__rip_2objdump(ms->map, ms->sym->start);
strcpy(buf, "");
if (dl->al.offset == (s64) -1)
return 0;
return scnprintf(buf, size, "%"PRIx64, start + dl->al.offset);
}
static int perf_gtk__get_line(char *buf, size_t size, struct disasm_line *dl)
{
int ret = 0;
char *line = g_markup_escape_text(dl->al.line, -1);
const char *markup = "<span fgcolor='gray'>";
strcpy(buf, "");
if (!line)
return 0;
if (dl->al.offset != (s64) -1)
markup = NULL;
if (markup)
ret += scnprintf(buf, size, "%s", markup);
ret += scnprintf(buf + ret, size - ret, "%s", line);
if (markup)
ret += scnprintf(buf + ret, size - ret, "</span>");
g_free(line);
return ret;
}
static int perf_gtk__annotate_symbol(GtkWidget *window, struct map_symbol *ms,
struct evsel *evsel,
struct hist_browser_timer *hbt __maybe_unused)
{
struct symbol *sym = ms->sym;
struct disasm_line *pos, *n;
struct annotation *notes;
GType col_types[MAX_ANN_COLS];
GtkCellRenderer *renderer;
GtkListStore *store;
GtkWidget *view;
int i;
char s[512];
notes = symbol__annotation(sym);
for (i = 0; i < MAX_ANN_COLS; i++) {
col_types[i] = G_TYPE_STRING;
}
store = gtk_list_store_newv(MAX_ANN_COLS, col_types);
view = gtk_tree_view_new();
renderer = gtk_cell_renderer_text_new();
for (i = 0; i < MAX_ANN_COLS; i++) {
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
-1, col_names[i], renderer, "markup",
i, NULL);
}
gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
g_object_unref(GTK_TREE_MODEL(store));
list_for_each_entry(pos, ¬es->src->source, al.node) {
GtkTreeIter iter;
int ret = 0;
gtk_list_store_append(store, &iter);
if (evsel__is_group_event(evsel)) {
for (i = 0; i < evsel->core.nr_members; i++) {
ret += perf_gtk__get_percent(s + ret,
sizeof(s) - ret,
sym, pos,
evsel->core.idx + i);
ret += scnprintf(s + ret, sizeof(s) - ret, " ");
}
} else {
ret = perf_gtk__get_percent(s, sizeof(s), sym, pos,
evsel->core.idx);
}
if (ret)
gtk_list_store_set(store, &iter, ANN_COL__PERCENT, s, -1);
if (perf_gtk__get_offset(s, sizeof(s), ms, pos))
gtk_list_store_set(store, &iter, ANN_COL__OFFSET, s, -1);
if (perf_gtk__get_line(s, sizeof(s), pos))
gtk_list_store_set(store, &iter, ANN_COL__LINE, s, -1);
}
gtk_container_add(GTK_CONTAINER(window), view);
list_for_each_entry_safe(pos, n, ¬es->src->source, al.node) {
list_del_init(&pos->al.node);
disasm_line__free(pos);
}
return 0;
}
static int symbol__gtk_annotate(struct map_symbol *ms, struct evsel *evsel,
struct hist_browser_timer *hbt)
{
struct symbol *sym = ms->sym;
GtkWidget *window;
GtkWidget *notebook;
GtkWidget *scrolled_window;
GtkWidget *tab_label;
int err;
if (ms->map->dso->annotate_warned)
return -1;
err = symbol__annotate(ms, evsel, &annotation__default_options, NULL);
if (err) {
char msg[BUFSIZ];
ms->map->dso->annotate_warned = true;
symbol__strerror_disassemble(ms, err, msg, sizeof(msg));
ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
return -1;
}
symbol__calc_percent(sym, evsel);
if (perf_gtk__is_active_context(pgctx)) {
window = pgctx->main_window;
notebook = pgctx->notebook;
} else {
GtkWidget *vbox;
GtkWidget *infobar;
GtkWidget *statbar;
signal(SIGSEGV, perf_gtk__signal);
signal(SIGFPE, perf_gtk__signal);
signal(SIGINT, perf_gtk__signal);
signal(SIGQUIT, perf_gtk__signal);
signal(SIGTERM, perf_gtk__signal);
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "perf annotate");
g_signal_connect(window, "delete_event", gtk_main_quit, NULL);
pgctx = perf_gtk__activate_context(window);
if (!pgctx)
return -1;
vbox = gtk_vbox_new(FALSE, 0);
notebook = gtk_notebook_new();
pgctx->notebook = notebook;
gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
infobar = perf_gtk__setup_info_bar();
if (infobar) {
gtk_box_pack_start(GTK_BOX(vbox), infobar,
FALSE, FALSE, 0);
}
statbar = perf_gtk__setup_statusbar();
gtk_box_pack_start(GTK_BOX(vbox), statbar, FALSE, FALSE, 0);
gtk_container_add(GTK_CONTAINER(window), vbox);
}
scrolled_window = gtk_scrolled_window_new(NULL, NULL);
tab_label = gtk_label_new(sym->name);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window,
tab_label);
perf_gtk__annotate_symbol(scrolled_window, ms, evsel, hbt);
return 0;
}
int hist_entry__gtk_annotate(struct hist_entry *he,
struct evsel *evsel,
struct hist_browser_timer *hbt)
{
return symbol__gtk_annotate(&he->ms, evsel, hbt);
}
void perf_gtk__show_annotations(void)
{
GtkWidget *window;
if (!perf_gtk__is_active_context(pgctx))
return;
window = pgctx->main_window;
gtk_widget_show_all(window);
perf_gtk__resize_window(window);
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
gtk_main();
perf_gtk__deactivate_context(&pgctx);
}