xref: /openbmc/linux/tools/perf/util/namespaces.c (revision 5d0e4d78)
1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License, version 2, as
4  * published by the Free Software Foundation.
5  *
6  * Copyright (C) 2017 Hari Bathini, IBM Corporation
7  */
8 
9 #include "namespaces.h"
10 #include "util.h"
11 #include "event.h"
12 #include <stdlib.h>
13 #include <stdio.h>
14 #include <string.h>
15 
16 struct namespaces *namespaces__new(struct namespaces_event *event)
17 {
18 	struct namespaces *namespaces;
19 	u64 link_info_size = ((event ? event->nr_namespaces : NR_NAMESPACES) *
20 			      sizeof(struct perf_ns_link_info));
21 
22 	namespaces = zalloc(sizeof(struct namespaces) + link_info_size);
23 	if (!namespaces)
24 		return NULL;
25 
26 	namespaces->end_time = -1;
27 
28 	if (event)
29 		memcpy(namespaces->link_info, event->link_info, link_info_size);
30 
31 	return namespaces;
32 }
33 
34 void namespaces__free(struct namespaces *namespaces)
35 {
36 	free(namespaces);
37 }
38