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perf gtk/hists: Add support for callchains

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Display callchain information in the symbol column.  It's only enabled
when recorded with -g and has symbol sort key.

Reviewed-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1370337737-30812-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2013-06-04 18:22:13 +09:00 committed by Arnaldo Carvalho de Melo
parent f1d9a53055
commit 2bbc587425
1 changed files with 65 additions and 0 deletions
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65
tools/perf/ui/gtk/hists.c
View File

@ -124,6 +124,55 @@ void perf_gtk__init_hpp(void)
perf_gtk__hpp_color_overhead_guest_us;
}
static void callchain_list__sym_name(struct callchain_list *cl,
char *bf, size_t bfsize)
{
if (cl->ms.sym)
scnprintf(bf, bfsize, "%s", cl->ms.sym->name);
else
scnprintf(bf, bfsize, "%#" PRIx64, cl->ip);
}
static void perf_gtk__add_callchain(struct rb_root *root, GtkTreeStore *store,
GtkTreeIter *parent, int col)
{
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 && (node->val_nr > 1);
list_for_each_entry(chain, &node->val, list) {
char buf[128];
gtk_tree_store_append(store, &iter, &new_parent);
callchain_list__sym_name(chain, buf, sizeof(buf));
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;
}
}
/* Now 'iter' contains info of the last callchain_list */
perf_gtk__add_callchain(&node->rb_root, store, &iter, col);
}
}
static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
float min_pcnt)
{
@ -135,6 +184,7 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
struct rb_node *nd;
GtkWidget *view;
int col_idx;
int sym_col = -1;
int nr_cols;
char s[512];
@ -153,6 +203,9 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
if (se->elide)
continue;
if (se == &sort_sym)
sym_col = nr_cols;
col_types[nr_cols++] = G_TYPE_STRING;
}
@ -183,6 +236,13 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
col_idx++, NULL);
}
if (symbol_conf.use_callchain && sort__has_sym) {
GtkTreeViewColumn *column;
column = gtk_tree_view_get_column(GTK_TREE_VIEW(view), 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));
@ -221,6 +281,11 @@ static void perf_gtk__show_hists(GtkWidget *window, struct hists *hists,
gtk_tree_store_set(store, &iter, col_idx++, s, -1);
}
if (symbol_conf.use_callchain && sort__has_sym) {
perf_gtk__add_callchain(&h->sorted_chain, store, &iter,
sym_col);
}
}
gtk_container_add(GTK_CONTAINER(window), view);