1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __CGROUP_H__ 3 #define __CGROUP_H__ 4 5 #include <linux/refcount.h> 6 #include <linux/rbtree.h> 7 #include "util/env.h" 8 9 struct option; 10 11 struct cgroup { 12 struct rb_node node; 13 u64 id; 14 char *name; 15 int fd; 16 refcount_t refcnt; 17 }; 18 19 extern int nr_cgroups; /* number of explicit cgroups defined */ 20 21 struct cgroup *cgroup__get(struct cgroup *cgroup); 22 void cgroup__put(struct cgroup *cgroup); 23 24 struct evlist; 25 struct rblist; 26 27 struct cgroup *evlist__findnew_cgroup(struct evlist *evlist, const char *name); 28 int evlist__expand_cgroup(struct evlist *evlist, const char *cgroups, 29 struct rblist *metric_events, bool open_cgroup); 30 31 void evlist__set_default_cgroup(struct evlist *evlist, struct cgroup *cgroup); 32 33 int parse_cgroups(const struct option *opt, const char *str, int unset); 34 35 struct cgroup *cgroup__findnew(struct perf_env *env, uint64_t id, 36 const char *path); 37 struct cgroup *cgroup__find(struct perf_env *env, uint64_t id); 38 39 void perf_env__purge_cgroups(struct perf_env *env); 40 41 #endif /* __CGROUP_H__ */ 42