Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __CGROUP_H__
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#define __CGROUP_H__
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#include <linux/compiler.h>
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#include <linux/refcount.h>
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#include <linux/rbtree.h>
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#include "util/env.h"
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struct option;
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struct cgroup {
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struct rb_node node;
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u64 id;
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char *name;
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int fd;
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refcount_t refcnt;
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};
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extern int nr_cgroups; /* number of explicit cgroups defined */
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extern bool cgrp_event_expanded;
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struct cgroup *cgroup__get(struct cgroup *cgroup);
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void cgroup__put(struct cgroup *cgroup);
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struct evlist;
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struct rblist;
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struct cgroup *cgroup__new(const char *name, bool do_open);
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struct cgroup *evlist__findnew_cgroup(struct evlist *evlist, const char *name);
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int evlist__expand_cgroup(struct evlist *evlist, const char *cgroups, bool open_cgroup);
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void evlist__set_default_cgroup(struct evlist *evlist, struct cgroup *cgroup);
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int parse_cgroups(const struct option *opt, const char *str, int unset);
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struct cgroup *cgroup__findnew(struct perf_env *env, uint64_t id,
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const char *path);
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struct cgroup *cgroup__find(struct perf_env *env, uint64_t id);
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struct cgroup *__cgroup__find(struct rb_root *root, uint64_t id);
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void perf_env__purge_cgroups(struct perf_env *env);
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#ifdef HAVE_FILE_HANDLE
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int read_cgroup_id(struct cgroup *cgrp);
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#else
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static inline int read_cgroup_id(struct cgroup *cgrp __maybe_unused)
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{
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return -1;
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}
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#endif /* HAVE_FILE_HANDLE */
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/* read all cgroups in the system and save them in the rbtree */
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void read_all_cgroups(struct rb_root *root);
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int cgroup_is_v2(const char *subsys);
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#endif /* __CGROUP_H__ */
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