xref: /openbmc/linux/tools/perf/util/cgroup.h (revision d1277aa3)
1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */
2023695d9SStephane Eranian #ifndef __CGROUP_H__
3023695d9SStephane Eranian #define __CGROUP_H__
4023695d9SStephane Eranian 
579c5fe6dSElena Reshetova #include <linux/refcount.h>
6d1277aa3SNamhyung Kim #include <linux/rbtree.h>
7d1277aa3SNamhyung Kim #include "util/env.h"
8f812d304SArnaldo Carvalho de Melo 
9023695d9SStephane Eranian struct option;
10023695d9SStephane Eranian 
113ca32f69SArnaldo Carvalho de Melo struct cgroup {
12d1277aa3SNamhyung Kim 	struct rb_node		node;
13d1277aa3SNamhyung Kim 	u64			id;
14023695d9SStephane Eranian 	char			*name;
15023695d9SStephane Eranian 	int			fd;
1679c5fe6dSElena Reshetova 	refcount_t		refcnt;
17023695d9SStephane Eranian };
18023695d9SStephane Eranian 
19023695d9SStephane Eranian extern int nr_cgroups; /* number of explicit cgroups defined */
20a53b6460SArnaldo Carvalho de Melo 
21fc9ffb9cSArnaldo Carvalho de Melo struct cgroup *cgroup__get(struct cgroup *cgroup);
22a53b6460SArnaldo Carvalho de Melo void cgroup__put(struct cgroup *cgroup);
233ca32f69SArnaldo Carvalho de Melo 
2463503dbaSJiri Olsa struct evlist;
2569239ec8SArnaldo Carvalho de Melo 
2663503dbaSJiri Olsa struct cgroup *evlist__findnew_cgroup(struct evlist *evlist, const char *name);
2769239ec8SArnaldo Carvalho de Melo 
2863503dbaSJiri Olsa void evlist__set_default_cgroup(struct evlist *evlist, struct cgroup *cgroup);
29483322ddSArnaldo Carvalho de Melo 
303938bad4SArnaldo Carvalho de Melo int parse_cgroups(const struct option *opt, const char *str, int unset);
31023695d9SStephane Eranian 
32d1277aa3SNamhyung Kim struct cgroup *cgroup__findnew(struct perf_env *env, uint64_t id,
33d1277aa3SNamhyung Kim 			       const char *path);
34d1277aa3SNamhyung Kim struct cgroup *cgroup__find(struct perf_env *env, uint64_t id);
35d1277aa3SNamhyung Kim 
36d1277aa3SNamhyung Kim void perf_env__purge_cgroups(struct perf_env *env);
37d1277aa3SNamhyung Kim 
38023695d9SStephane Eranian #endif /* __CGROUP_H__ */
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