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-rw-r--r--tools/perf/builtin-kmem.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 0b4b796167b..46878daca5c 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -17,6 +17,7 @@
#include "util/debug.h"
#include <linux/rbtree.h>
+#include <linux/string.h>
struct alloc_stat;
typedef int (*sort_fn_t)(struct alloc_stat *, struct alloc_stat *);
@@ -340,7 +341,7 @@ static void __print_result(struct rb_root *root, struct perf_session *session,
int n_lines, int is_caller)
{
struct rb_node *next;
- struct machine *machine;
+ struct machine *machine = &session->machines.host;
printf("%.102s\n", graph_dotted_line);
printf(" %-34s |", is_caller ? "Callsite": "Alloc Ptr");
@@ -349,11 +350,6 @@ static void __print_result(struct rb_root *root, struct perf_session *session,
next = rb_first(root);
- machine = perf_session__find_host_machine(session);
- if (!machine) {
- pr_err("__print_result: couldn't find kernel information\n");
- return;
- }
while (next && n_lines--) {
struct alloc_stat *data = rb_entry(next, struct alloc_stat,
node);
@@ -614,8 +610,7 @@ static struct sort_dimension *avail_sorts[] = {
&pingpong_sort_dimension,
};
-#define NUM_AVAIL_SORTS \
- (int)(sizeof(avail_sorts) / sizeof(struct sort_dimension *))
+#define NUM_AVAIL_SORTS ((int)ARRAY_SIZE(avail_sorts))
static int sort_dimension__add(const char *tok, struct list_head *list)
{
@@ -624,12 +619,11 @@ static int sort_dimension__add(const char *tok, struct list_head *list)
for (i = 0; i < NUM_AVAIL_SORTS; i++) {
if (!strcmp(avail_sorts[i]->name, tok)) {
- sort = malloc(sizeof(*sort));
+ sort = memdup(avail_sorts[i], sizeof(*avail_sorts[i]));
if (!sort) {
- pr_err("%s: malloc failed\n", __func__);
+ pr_err("%s: memdup failed\n", __func__);
return -1;
}
- memcpy(sort, avail_sorts[i], sizeof(*sort));
list_add_tail(&sort->list, list);
return 0;
}