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 9struct option; 10 11struct cgroup { 12 struct rb_node node; 13 u64 id; 14 char *name; 15 int fd; 16 refcount_t refcnt; 17}; 18 19extern int nr_cgroups; /* number of explicit cgroups defined */ 20 21struct cgroup *cgroup__get(struct cgroup *cgroup); 22void cgroup__put(struct cgroup *cgroup); 23 24struct evlist; 25struct rblist; 26 27struct cgroup *evlist__findnew_cgroup(struct evlist *evlist, const char *name); 28int evlist__expand_cgroup(struct evlist *evlist, const char *cgroups, 29 struct rblist *metric_events, bool open_cgroup); 30 31void evlist__set_default_cgroup(struct evlist *evlist, struct cgroup *cgroup); 32 33int parse_cgroups(const struct option *opt, const char *str, int unset); 34 35struct cgroup *cgroup__findnew(struct perf_env *env, uint64_t id, 36 const char *path); 37struct cgroup *cgroup__find(struct perf_env *env, uint64_t id); 38 39void perf_env__purge_cgroups(struct perf_env *env); 40 41#endif /* __CGROUP_H__ */ 42