1 files changed, 20 insertions, 1 deletions

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 7b9096f29cdb..eb06746b06b2 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -34,6 +34,7 @@ struct symbol_conf symbol_conf = {
 	.annotate_src		= true,
 	.demangle		= true,
 	.cumulate_callchain	= true,
+	.show_hist_headers	= true,
 	.symfs			= "",
 };
 
@@ -341,6 +342,16 @@ static struct symbol *symbols__first(struct rb_root *symbols)
 	return NULL;
 }
 
+static struct symbol *symbols__next(struct symbol *sym)
+{
+	struct rb_node *n = rb_next(&sym->rb_node);
+
+	if (n)
+		return rb_entry(n, struct symbol, rb_node);
+
+	return NULL;
+}
+
 struct symbol_name_rb_node {
 	struct rb_node	rb_node;
 	struct symbol	sym;
@@ -411,11 +422,16 @@ struct symbol *dso__find_symbol(struct dso *dso,
 	return symbols__find(&dso->symbols[type], addr);
 }
 
-static struct symbol *dso__first_symbol(struct dso *dso, enum map_type type)
+struct symbol *dso__first_symbol(struct dso *dso, enum map_type type)
 {
 	return symbols__first(&dso->symbols[type]);
 }
 
+struct symbol *dso__next_symbol(struct symbol *sym)
+{
+	return symbols__next(sym);
+}
+
 struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
 					const char *name)
 {
@@ -1064,6 +1080,7 @@ static int dso__load_kcore(struct dso *dso, struct map *map,
 			      &is_64_bit);
 	if (err)
 		goto out_err;
+	dso->is_64_bit = is_64_bit;
 
 	if (list_empty(&md.maps)) {
 		err = -EINVAL;
@@ -1662,6 +1679,7 @@ do_kallsyms:
 	free(kallsyms_allocated_filename);
 
 	if (err > 0 && !dso__is_kcore(dso)) {
+		dso->binary_type = DSO_BINARY_TYPE__KALLSYMS;
 		dso__set_long_name(dso, "[kernel.kallsyms]", false);
 		map__fixup_start(map);
 		map__fixup_end(map);
@@ -1709,6 +1727,7 @@ static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map,
 	if (err > 0)
 		pr_debug("Using %s for symbols\n", kallsyms_filename);
 	if (err > 0 && !dso__is_kcore(dso)) {
+		dso->binary_type = DSO_BINARY_TYPE__GUEST_KALLSYMS;
 		machine__mmap_name(machine, path, sizeof(path));
 		dso__set_long_name(dso, strdup(path), true);
 		map__fixup_start(map);