https://github.com/torvalds/linux
Tip revision: 94710cac0ef4ee177a63b5227664b38c95bbf703 authored by Linus Torvalds on 12 August 2018, 20:41:04 UTC
Linux 4.18
Linux 4.18
Tip revision: 94710ca
hists.c
// SPDX-License-Identifier: GPL-2.0
#include "../evlist.h"
#include "../cache.h"
#include "../evsel.h"
#include "../sort.h"
#include "../hist.h"
#include "../helpline.h"
#include "../string2.h"
#include "gtk.h"
#include <signal.h>
#define MAX_COLUMNS 32
static int __percent_color_snprintf(struct perf_hpp *hpp, const char *fmt, ...)
{
int ret = 0;
int len;
va_list args;
double percent;
const char *markup;
char *buf = hpp->buf;
size_t size = hpp->size;
va_start(args, fmt);
len = va_arg(args, int);
percent = va_arg(args, double);
va_end(args);
markup = perf_gtk__get_percent_color(percent);
if (markup)
ret += scnprintf(buf, size, markup);
ret += scnprintf(buf + ret, size - ret, fmt, len, percent);
if (markup)
ret += scnprintf(buf + ret, size - ret, "</span>");
return ret;
}
#define __HPP_COLOR_PERCENT_FN(_type, _field) \
static u64 he_get_##_field(struct hist_entry *he) \
{ \
return he->stat._field; \
} \
\
static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt, \
struct perf_hpp *hpp, \
struct hist_entry *he) \
{ \
return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%", \
__percent_color_snprintf, true); \
}
#define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \
static u64 he_get_acc_##_field(struct hist_entry *he) \
{ \
return he->stat_acc->_field; \
} \
\
static int perf_gtk__hpp_color_##_type(struct perf_hpp_fmt *fmt, \
struct perf_hpp *hpp, \
struct hist_entry *he) \
{ \
return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", \
__percent_color_snprintf, true); \
}
__HPP_COLOR_PERCENT_FN(overhead, period)
__HPP_COLOR_PERCENT_FN(overhead_sys, period_sys)
__HPP_COLOR_PERCENT_FN(overhead_us, period_us)
__HPP_COLOR_PERCENT_FN(overhead_guest_sys, period_guest_sys)
__HPP_COLOR_PERCENT_FN(overhead_guest_us, period_guest_us)
__HPP_COLOR_ACC_PERCENT_FN(overhead_acc, period)
#undef __HPP_COLOR_PERCENT_FN
void perf_gtk__init_hpp(void)
{
perf_hpp__format[PERF_HPP__OVERHEAD].color =
perf_gtk__hpp_color_overhead;
perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color =
perf_gtk__hpp_color_overhead_sys;
perf_hpp__format[PERF_HPP__OVERHEAD_US].color =
perf_gtk__hpp_color_overhead_us;
perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color =
perf_gtk__hpp_color_overhead_guest_sys;
perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color =
perf_gtk__hpp_color_overhead_guest_us;
perf_hpp__format[PERF_HPP__OVERHEAD_ACC].color =
perf_gtk__hpp_color_overhead_acc;
}
static void perf_gtk__add_callchain_flat(struct rb_root *root, GtkTreeStore *store,
GtkTreeIter *parent, int col, u64 total)
{
struct rb_node *nd;
bool has_single_node = (rb_first(root) == rb_last(root));
for (nd = rb_first(root); nd; nd = rb_next(nd)) {
struct callchain_node *node;
struct callchain_list *chain;
GtkTreeIter iter, new_parent;
bool need_new_parent;
node = rb_entry(nd, struct callchain_node, rb_node);
new_parent = *parent;
need_new_parent = !has_single_node;
callchain_node__make_parent_list(node);
list_for_each_entry(chain, &node->parent_val, list) {
char buf[128];
gtk_tree_store_append(store, &iter, &new_parent);
callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
gtk_tree_store_set(store, &iter, 0, buf, -1);
callchain_list__sym_name(chain, buf, sizeof(buf), false);
gtk_tree_store_set(store, &iter, col, buf, -1);
if (need_new_parent) {
/*
* Only show the top-most symbol in a callchain
* if it's not the only callchain.
*/
new_parent = iter;
need_new_parent = false;
}
}
list_for_each_entry(chain, &node->val, list) {
char buf[128];
gtk_tree_store_append(store, &iter, &new_parent);
callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
gtk_tree_store_set(store, &iter, 0, buf, -1);
callchain_list__sym_name(chain, buf, sizeof(buf), false);
gtk_tree_store_set(store, &iter, col, buf, -1);
if (need_new_parent) {
/*
* Only show the top-most symbol in a callchain
* if it's not the only callchain.
*/
new_parent = iter;
need_new_parent = false;
}
}
}
}
static void perf_gtk__add_callchain_folded(struct rb_root *root, GtkTreeStore *store,
GtkTreeIter *parent, int col, u64 total)
{
struct rb_node *nd;
for (nd = rb_first(root); nd; nd = rb_next(nd)) {
struct callchain_node *node;
struct callchain_list *chain;
GtkTreeIter iter;
char buf[64];
char *str, *str_alloc = NULL;
bool first = true;
node = rb_entry(nd, struct callchain_node, rb_node);
callchain_node__make_parent_list(node);
list_for_each_entry(chain, &node->parent_val, list) {
char name[1024];
callchain_list__sym_name(chain, name, sizeof(name), false);
if (asprintf(&str, "%s%s%s",
first ? "" : str_alloc,
first ? "" : symbol_conf.field_sep ?: "; ",
name) < 0)
return;
first = false;
free(str_alloc);
str_alloc = str;
}
list_for_each_entry(chain, &node->val, list) {
char name[1024];
callchain_list__sym_name(chain, name, sizeof(name), false);
if (asprintf(&str, "%s%s%s",
first ? "" : str_alloc,
first ? "" : symbol_conf.field_sep ?: "; ",
name) < 0)
return;
first = false;
free(str_alloc);
str_alloc = str;
}
gtk_tree_store_append(store, &iter, parent);
callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
gtk_tree_store_set(store, &iter, 0, buf, -1);
gtk_tree_store_set(store, &iter, col, str, -1);
free(str_alloc);
}
}
static void perf_gtk__add_callchain_graph(struct rb_root *root, GtkTreeStore *store,
GtkTreeIter *parent, int col, u64 total)
{
struct rb_node *nd;
bool has_single_node = (rb_first(root) == rb_last(root));
for (nd = rb_first(root); nd; nd = rb_next(nd)) {
struct callchain_node *node;
struct callchain_list *chain;
GtkTreeIter iter, new_parent;
bool need_new_parent;
u64 child_total;
node = rb_entry(nd, struct callchain_node, rb_node);
new_parent = *parent;
need_new_parent = !has_single_node && (node->val_nr > 1);
list_for_each_entry(chain, &node->val, list) {
char buf[128];
gtk_tree_store_append(store, &iter, &new_parent);
callchain_node__scnprintf_value(node, buf, sizeof(buf), total);
gtk_tree_store_set(store, &iter, 0, buf, -1);
callchain_list__sym_name(chain, buf, sizeof(buf), false);
gtk_tree_store_set(store, &iter, col, buf, -1);
if (need_new_parent) {
/*
* Only show the top-most symbol in a callchain
* if it's not the only callchain.
*/
new_parent = iter;
need_new_parent = false;
}
}
if (callchain_param.mode == CHAIN_GRAPH_REL)
child_total = node->children_hit;
else
child_total = total;
/* Now 'iter' contains info of the last callchain_list */
perf_gtk__add_callchain_graph(&node->rb_root, store, &iter, col,
child_total);
}
}
static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
GtkTreeIter *parent, int col, u64 total)
{
if (callchain_param.mode == CHAIN_FLAT)
perf_gtk__add_callchain_flat(root, store, parent, col, total);
else if (callchain_param.mode == CHAIN_FOLDED)
perf_gtk__add_callchain_folded(root, store, parent, col, total);
else
perf_gtk__add_callchain_graph(root, store, parent, col, total);
}
static void on_row_activated(GtkTreeView *view, GtkTreePath *path,
GtkTreeViewColumn *col __maybe_unused,
gpointer user_data __maybe_unused)
{
bool expanded = gtk_tree_view_row_expanded(view, path);
if (expanded)
gtk_tree_view_collapse_row(view, path);
else
gtk_tree_view_expand_row(view, path, FALSE);
}
static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
float min_pcnt)
{
struct perf_hpp_fmt *fmt;
GType col_types[MAX_COLUMNS];
GtkCellRenderer *renderer;
GtkTreeStore *store;
struct rb_node *nd;
GtkWidget *view;
int col_idx;
int sym_col = -1;
int nr_cols;
char s[512];
struct perf_hpp hpp = {
.buf = s,
.size = sizeof(s),
};
nr_cols = 0;
hists__for_each_format(hists, fmt)
col_types[nr_cols++] = G_TYPE_STRING;
store = gtk_tree_store_newv(nr_cols, col_types);
view = gtk_tree_view_new();
renderer = gtk_cell_renderer_text_new();
col_idx = 0;
hists__for_each_format(hists, fmt) {
if (perf_hpp__should_skip(fmt, hists))
continue;
/*
* XXX no way to determine where symcol column is..
* Just use last column for now.
*/
if (perf_hpp__is_sort_entry(fmt))
sym_col = col_idx;
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
-1, fmt->name,
renderer, "markup",
col_idx++, NULL);
}
for (col_idx = 0; col_idx < nr_cols; col_idx++) {
GtkTreeViewColumn *column;
column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
gtk_tree_view_column_set_resizable(column, TRUE);
if (col_idx == sym_col) {
gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
column);
}
}
gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
g_object_unref(GTK_TREE_MODEL(store));
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
GtkTreeIter iter;
u64 total = hists__total_period(h->hists);
float percent;
if (h->filtered)
continue;
percent = hist_entry__get_percent_limit(h);
if (percent < min_pcnt)
continue;
gtk_tree_store_append(store, &iter, NULL);
col_idx = 0;
hists__for_each_format(hists, fmt) {
if (perf_hpp__should_skip(fmt, h->hists))
continue;
if (fmt->color)
fmt->color(fmt, &hpp, h);
else
fmt->entry(fmt, &hpp, h);
gtk_tree_store_set(store, &iter, col_idx++, s, -1);
}
if (hist_entry__has_callchains(h) &&
symbol_conf.use_callchain && hists__has(hists, sym)) {
if (callchain_param.mode == CHAIN_GRAPH_REL)
total = symbol_conf.cumulate_callchain ?
h->stat_acc->period : h->stat.period;
perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
sym_col, total);
}
}
gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
g_signal_connect(view, "row-activated",
G_CALLBACK(on_row_activated), NULL);
gtk_container_add(GTK_CONTAINER(window), view);
}
static void perf_gtk__add_hierarchy_entries(struct hists *hists,
struct rb_root *root,
GtkTreeStore *store,
GtkTreeIter *parent,
struct perf_hpp *hpp,
float min_pcnt)
{
int col_idx = 0;
struct rb_node *node;
struct hist_entry *he;
struct perf_hpp_fmt *fmt;
struct perf_hpp_list_node *fmt_node;
u64 total = hists__total_period(hists);
int size;
for (node = rb_first(root); node; node = rb_next(node)) {
GtkTreeIter iter;
float percent;
char *bf;
he = rb_entry(node, struct hist_entry, rb_node);
if (he->filtered)
continue;
percent = hist_entry__get_percent_limit(he);
if (percent < min_pcnt)
continue;
gtk_tree_store_append(store, &iter, parent);
col_idx = 0;
/* the first hpp_list_node is for overhead columns */
fmt_node = list_first_entry(&hists->hpp_formats,
struct perf_hpp_list_node, list);
perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
if (fmt->color)
fmt->color(fmt, hpp, he);
else
fmt->entry(fmt, hpp, he);
gtk_tree_store_set(store, &iter, col_idx++, hpp->buf, -1);
}
bf = hpp->buf;
size = hpp->size;
perf_hpp_list__for_each_format(he->hpp_list, fmt) {
int ret;
if (fmt->color)
ret = fmt->color(fmt, hpp, he);
else
ret = fmt->entry(fmt, hpp, he);
snprintf(hpp->buf + ret, hpp->size - ret, " ");
advance_hpp(hpp, ret + 2);
}
gtk_tree_store_set(store, &iter, col_idx, ltrim(rtrim(bf)), -1);
if (!he->leaf) {
hpp->buf = bf;
hpp->size = size;
perf_gtk__add_hierarchy_entries(hists, &he->hroot_out,
store, &iter, hpp,
min_pcnt);
if (!hist_entry__has_hierarchy_children(he, min_pcnt)) {
char buf[32];
GtkTreeIter child;
snprintf(buf, sizeof(buf), "no entry >= %.2f%%",
min_pcnt);
gtk_tree_store_append(store, &child, &iter);
gtk_tree_store_set(store, &child, col_idx, buf, -1);
}
}
if (he->leaf && hist_entry__has_callchains(he) && symbol_conf.use_callchain) {
if (callchain_param.mode == CHAIN_GRAPH_REL)
total = symbol_conf.cumulate_callchain ?
he->stat_acc->period : he->stat.period;
perf_gtk__add_callchain(&he->sorted_chain, store, &iter,
col_idx, total);
}
}
}
static void perf_gtk__show_hierarchy(GtkWidget *window, struct hists *hists,
float min_pcnt)
{
struct perf_hpp_fmt *fmt;
struct perf_hpp_list_node *fmt_node;
GType col_types[MAX_COLUMNS];
GtkCellRenderer *renderer;
GtkTreeStore *store;
GtkWidget *view;
int col_idx;
int nr_cols = 0;
char s[512];
char buf[512];
bool first_node, first_col;
struct perf_hpp hpp = {
.buf = s,
.size = sizeof(s),
};
hists__for_each_format(hists, fmt) {
if (perf_hpp__is_sort_entry(fmt) ||
perf_hpp__is_dynamic_entry(fmt))
break;
col_types[nr_cols++] = G_TYPE_STRING;
}
col_types[nr_cols++] = G_TYPE_STRING;
store = gtk_tree_store_newv(nr_cols, col_types);
view = gtk_tree_view_new();
renderer = gtk_cell_renderer_text_new();
col_idx = 0;
/* the first hpp_list_node is for overhead columns */
fmt_node = list_first_entry(&hists->hpp_formats,
struct perf_hpp_list_node, list);
perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) {
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
-1, fmt->name,
renderer, "markup",
col_idx++, NULL);
}
/* construct merged column header since sort keys share single column */
buf[0] = '\0';
first_node = true;
list_for_each_entry_continue(fmt_node, &hists->hpp_formats, list) {
if (!first_node)
strcat(buf, " / ");
first_node = false;
first_col = true;
perf_hpp_list__for_each_format(&fmt_node->hpp ,fmt) {
if (perf_hpp__should_skip(fmt, hists))
continue;
if (!first_col)
strcat(buf, "+");
first_col = false;
fmt->header(fmt, &hpp, hists, 0, NULL);
strcat(buf, ltrim(rtrim(hpp.buf)));
}
}
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view),
-1, buf,
renderer, "markup",
col_idx++, NULL);
for (col_idx = 0; col_idx < nr_cols; col_idx++) {
GtkTreeViewColumn *column;
column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), col_idx);
gtk_tree_view_column_set_resizable(column, TRUE);
if (col_idx == 0) {
gtk_tree_view_set_expander_column(GTK_TREE_VIEW(view),
column);
}
}
gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
g_object_unref(GTK_TREE_MODEL(store));
perf_gtk__add_hierarchy_entries(hists, &hists->entries, store,
NULL, &hpp, min_pcnt);
gtk_tree_view_set_rules_hint(GTK_TREE_VIEW(view), TRUE);
g_signal_connect(view, "row-activated",
G_CALLBACK(on_row_activated), NULL);
gtk_container_add(GTK_CONTAINER(window), view);
}
int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist,
const char *help,
struct hist_browser_timer *hbt __maybe_unused,
float min_pcnt)
{
struct perf_evsel *pos;
GtkWidget *vbox;
GtkWidget *notebook;
GtkWidget *info_bar;
GtkWidget *statbar;
GtkWidget *window;
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 report");
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();
gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 0);
info_bar = perf_gtk__setup_info_bar();
if (info_bar)
gtk_box_pack_start(GTK_BOX(vbox), info_bar, 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);
evlist__for_each_entry(evlist, pos) {
struct hists *hists = evsel__hists(pos);
const char *evname = perf_evsel__name(pos);
GtkWidget *scrolled_window;
GtkWidget *tab_label;
char buf[512];
size_t size = sizeof(buf);
if (symbol_conf.event_group) {
if (!perf_evsel__is_group_leader(pos))
continue;
if (pos->nr_members > 1) {
perf_evsel__group_desc(pos, buf, size);
evname = buf;
}
}
scrolled_window = gtk_scrolled_window_new(NULL, NULL);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
if (symbol_conf.report_hierarchy)
perf_gtk__show_hierarchy(scrolled_window, hists, min_pcnt);
else
perf_gtk__show_hists(scrolled_window, hists, min_pcnt);
tab_label = gtk_label_new(evname);
gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label);
}
gtk_widget_show_all(window);
perf_gtk__resize_window(window);
gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
ui_helpline__push(help);
gtk_main();
perf_gtk__deactivate_context(&pgctx);
return 0;
}