tools/perf/util/cgroup.h

   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__ */