diff options
Diffstat (limited to 'tools/perf/util/cgroup.h')
| -rw-r--r-- | tools/perf/util/cgroup.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/tools/perf/util/cgroup.h b/tools/perf/util/cgroup.h new file mode 100644 index 0000000000..12256b7860 --- /dev/null +++ b/tools/perf/util/cgroup.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __CGROUP_H__ +#define __CGROUP_H__ + +#include <linux/compiler.h> +#include <linux/refcount.h> +#include <linux/rbtree.h> +#include "util/env.h" + +struct option; + +struct cgroup { + struct rb_node node; + u64 id; + char *name; + int fd; + refcount_t refcnt; +}; + +extern int nr_cgroups; /* number of explicit cgroups defined */ +extern bool cgrp_event_expanded; + +struct cgroup *cgroup__get(struct cgroup *cgroup); +void cgroup__put(struct cgroup *cgroup); + +struct evlist; +struct rblist; + +struct cgroup *evlist__findnew_cgroup(struct evlist *evlist, const char *name); +int evlist__expand_cgroup(struct evlist *evlist, const char *cgroups, + struct rblist *metric_events, bool open_cgroup); + +void evlist__set_default_cgroup(struct evlist *evlist, struct cgroup *cgroup); + +int parse_cgroups(const struct option *opt, const char *str, int unset); + +struct cgroup *cgroup__findnew(struct perf_env *env, uint64_t id, + const char *path); +struct cgroup *cgroup__find(struct perf_env *env, uint64_t id); + +void perf_env__purge_cgroups(struct perf_env *env); + +#ifdef HAVE_FILE_HANDLE +int read_cgroup_id(struct cgroup *cgrp); +#else +static inline int read_cgroup_id(struct cgroup *cgrp __maybe_unused) +{ + return -1; +} +#endif /* HAVE_FILE_HANDLE */ + +int cgroup_is_v2(const char *subsys); + +#endif /* __CGROUP_H__ */ |