162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef __CGROUP_H__ 362306a36Sopenharmony_ci#define __CGROUP_H__ 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <linux/compiler.h> 662306a36Sopenharmony_ci#include <linux/refcount.h> 762306a36Sopenharmony_ci#include <linux/rbtree.h> 862306a36Sopenharmony_ci#include "util/env.h" 962306a36Sopenharmony_ci 1062306a36Sopenharmony_cistruct option; 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cistruct cgroup { 1362306a36Sopenharmony_ci struct rb_node node; 1462306a36Sopenharmony_ci u64 id; 1562306a36Sopenharmony_ci char *name; 1662306a36Sopenharmony_ci int fd; 1762306a36Sopenharmony_ci refcount_t refcnt; 1862306a36Sopenharmony_ci}; 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ciextern int nr_cgroups; /* number of explicit cgroups defined */ 2162306a36Sopenharmony_ciextern bool cgrp_event_expanded; 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_cistruct cgroup *cgroup__get(struct cgroup *cgroup); 2462306a36Sopenharmony_civoid cgroup__put(struct cgroup *cgroup); 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_cistruct evlist; 2762306a36Sopenharmony_cistruct rblist; 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_cistruct cgroup *evlist__findnew_cgroup(struct evlist *evlist, const char *name); 3062306a36Sopenharmony_ciint evlist__expand_cgroup(struct evlist *evlist, const char *cgroups, 3162306a36Sopenharmony_ci struct rblist *metric_events, bool open_cgroup); 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_civoid evlist__set_default_cgroup(struct evlist *evlist, struct cgroup *cgroup); 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ciint parse_cgroups(const struct option *opt, const char *str, int unset); 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_cistruct cgroup *cgroup__findnew(struct perf_env *env, uint64_t id, 3862306a36Sopenharmony_ci const char *path); 3962306a36Sopenharmony_cistruct cgroup *cgroup__find(struct perf_env *env, uint64_t id); 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_civoid perf_env__purge_cgroups(struct perf_env *env); 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci#ifdef HAVE_FILE_HANDLE 4462306a36Sopenharmony_ciint read_cgroup_id(struct cgroup *cgrp); 4562306a36Sopenharmony_ci#else 4662306a36Sopenharmony_cistatic inline int read_cgroup_id(struct cgroup *cgrp __maybe_unused) 4762306a36Sopenharmony_ci{ 4862306a36Sopenharmony_ci return -1; 4962306a36Sopenharmony_ci} 5062306a36Sopenharmony_ci#endif /* HAVE_FILE_HANDLE */ 5162306a36Sopenharmony_ci 5262306a36Sopenharmony_ciint cgroup_is_v2(const char *subsys); 5362306a36Sopenharmony_ci 5462306a36Sopenharmony_ci#endif /* __CGROUP_H__ */ 55