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/linux/tools/testing/selftests/cgroup/
A Dtest_freezer.c143 if (!cgroup) in test_cgfreezer_simple()
167 if (cgroup) in test_cgfreezer_simple()
198 cgroup[1] = cg_name(cgroup[0], "B"); in test_cgfreezer_tree()
202 cgroup[2] = cg_name(cgroup[1], "C"); in test_cgfreezer_tree()
206 cgroup[3] = cg_name(cgroup[1], "D"); in test_cgfreezer_tree()
210 cgroup[4] = cg_name(cgroup[0], "E"); in test_cgfreezer_tree()
214 cgroup[5] = cg_name(cgroup[4], "F"); in test_cgfreezer_tree()
218 cgroup[6] = cg_name(cgroup[5], "G"); in test_cgfreezer_tree()
222 cgroup[7] = cg_name(cgroup[6], "H"); in test_cgfreezer_tree()
226 cgroup[8] = cg_name(cgroup[0], "I"); in test_cgfreezer_tree()
[all …]
A Dtest_kill.c64 if (!cgroup) in test_cgkill_simple()
92 if (cgroup) in test_cgkill_simple()
124 cgroup[1] = cg_name(cgroup[0], "B"); in test_cgkill_tree()
128 cgroup[2] = cg_name(cgroup[1], "C"); in test_cgkill_tree()
132 cgroup[3] = cg_name(cgroup[1], "D"); in test_cgkill_tree()
136 cgroup[4] = cg_name(cgroup[0], "E"); in test_cgkill_tree()
140 cgroup[5] = cg_name(cgroup[4], "F"); in test_cgkill_tree()
144 cgroup[6] = cg_name(cgroup[5], "G"); in test_cgkill_tree()
148 cgroup[7] = cg_name(cgroup[6], "H"); in test_cgkill_tree()
152 cgroup[8] = cg_name(cgroup[0], "I"); in test_cgkill_tree()
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A Dcgroup_util.h28 extern int cg_create(const char *cgroup);
29 extern int cg_destroy(const char *cgroup);
43 extern int cg_run(const char *cgroup,
44 int (*fn)(const char *cgroup, void *arg),
46 extern int cg_enter(const char *cgroup, int pid);
47 extern int cg_enter_current(const char *cgroup);
49 extern int cg_run_nowait(const char *cgroup,
50 int (*fn)(const char *cgroup, void *arg),
54 extern int alloc_anon(const char *cgroup, void *arg);
58 extern int cg_killall(const char *cgroup);
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A Dcgroup_util.c251 int cg_create(const char *cgroup) in cg_create() argument
253 return mkdir(cgroup, 0755); in cg_create()
281 int cg_killall(const char *cgroup) in cg_killall() argument
313 if (!cgroup) in cg_destroy()
316 ret = rmdir(cgroup); in cg_destroy()
318 cg_killall(cgroup); in cg_destroy()
347 int cg_run(const char *cgroup, in cg_run() argument
362 exit(fn(cgroup, arg)); in cg_run()
380 .cgroup = cgroup_fd, in clone_into_cgroup()
459 exit(fn(cgroup, arg)); in clone_into_cgroup_run_nowait()
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/linux/kernel/bpf/
A Dbpf_cgrp_storage.c46 void bpf_cgrp_storage_free(struct cgroup *cgroup) in bpf_cgrp_storage_free() argument
81 struct cgroup *cgroup; in bpf_cgrp_storage_lookup_elem() local
86 if (IS_ERR(cgroup)) in bpf_cgrp_storage_lookup_elem()
92 cgroup_put(cgroup); in bpf_cgrp_storage_lookup_elem()
100 struct cgroup *cgroup; in bpf_cgrp_storage_update_elem() local
105 if (IS_ERR(cgroup)) in bpf_cgrp_storage_update_elem()
112 cgroup_put(cgroup); in bpf_cgrp_storage_update_elem()
130 struct cgroup *cgroup; in bpf_cgrp_storage_delete_elem() local
135 if (IS_ERR(cgroup)) in bpf_cgrp_storage_delete_elem()
170 if (!cgroup) in BPF_CALL_5()
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A Dcgroup_iter.c47 __bpf_md_ptr(struct cgroup *, cgroup);
134 ctx.cgroup = css ? css->cgroup : NULL; in __cgroup_iter_seq_show()
165 struct cgroup *cgrp = aux->cgroup.start; in BTF_ID_LIST_GLOBAL_SINGLE()
176 p->order = aux->cgroup.order; in BTF_ID_LIST_GLOBAL_SINGLE()
201 struct cgroup *cgrp; in bpf_iter_attach_cgroup()
222 aux->cgroup.start = cgrp; in bpf_iter_attach_cgroup()
223 aux->cgroup.order = order; in bpf_iter_attach_cgroup()
229 cgroup_put(aux->cgroup.start); in bpf_iter_detach_cgroup()
267 info->iter.cgroup.order = aux->cgroup.order; in bpf_iter_cgroup_fill_link_info()
268 info->iter.cgroup.cgroup_id = cgroup_id(aux->cgroup.start); in bpf_iter_cgroup_fill_link_info()
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/linux/tools/testing/selftests/bpf/progs/
A Dcgrp_kfunc_failure.c35 struct cgroup *acquired; in BPF_PROG()
54 struct cgroup *acquired; in BPF_PROG()
70 struct cgroup *acquired, *stack_cgrp = (struct cgroup *)&path; in BPF_PROG()
84 struct cgroup *acquired; in BPF_PROG()
98 struct cgroup *acquired; in BPF_PROG()
112 struct cgroup *acquired; in BPF_PROG()
126 struct cgroup *acquired; in BPF_PROG()
140 struct cgroup *kptr; in BPF_PROG()
160 struct cgroup *kptr; in BPF_PROG()
197 struct cgroup *acquired = (struct cgroup *)&path; in BPF_PROG()
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A Dcgrp_kfunc_common.h13 struct cgroup __kptr * cgrp;
23 struct cgroup *bpf_cgroup_acquire(struct cgroup *p) __ksym;
24 void bpf_cgroup_release(struct cgroup *p) __ksym;
25 struct cgroup *bpf_cgroup_ancestor(struct cgroup *cgrp, int level) __ksym;
26 struct cgroup *bpf_cgroup_from_id(u64 cgid) __ksym;
30 static inline struct __cgrps_kfunc_map_value *cgrps_kfunc_map_value_lookup(struct cgroup *cgrp) in cgrps_kfunc_map_value_lookup()
42 static inline int cgrps_kfunc_map_insert(struct cgroup *cgrp) in cgrps_kfunc_map_insert()
46 struct cgroup *acquired, *old; in cgrps_kfunc_map_insert()
A Dcgrp_kfunc_success.c33 int BPF_PROG(test_cgrp_acquire_release_argument, struct cgroup *cgrp, const char *path) in BPF_PROG()
35 struct cgroup *acquired; in BPF_PROG()
50 int BPF_PROG(test_cgrp_acquire_leave_in_map, struct cgroup *cgrp, const char *path) in BPF_PROG()
65 int BPF_PROG(test_cgrp_xchg_release, struct cgroup *cgrp, const char *path) in BPF_PROG()
67 struct cgroup *kptr, *cg; in BPF_PROG()
108 int BPF_PROG(test_cgrp_get_release, struct cgroup *cgrp, const char *path) in BPF_PROG()
110 struct cgroup *kptr; in BPF_PROG()
139 int BPF_PROG(test_cgrp_get_ancestors, struct cgroup *cgrp, const char *path) in BPF_PROG()
141 struct cgroup *self, *ancestor1, *invalid; in BPF_PROG()
184 int BPF_PROG(test_cgrp_from_id, struct cgroup *cgrp, const char *path) in BPF_PROG()
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/linux/include/linux/
A Dcgroup.h100 struct cgroup_subsys_state *cgroup_e_css(struct cgroup *cgroup,
102 struct cgroup_subsys_state *cgroup_get_e_css(struct cgroup *cgroup,
112 int cgroup_transfer_tasks(struct cgroup *to, struct cgroup *from);
493 static inline struct cgroup *cgroup_parent(struct cgroup *cgrp) in cgroup_parent()
530 static inline struct cgroup *cgroup_ancestor(struct cgroup *cgrp, in cgroup_ancestor()
638 struct cgroup;
666 static inline struct cgroup *cgroup_parent(struct cgroup *cgrp) in cgroup_parent()
714 struct cgroup *cgrp; in cgroup_account_cputime()
727 struct cgroup *cgrp; in cgroup_account_cputime_field()
758 return skcd->cgroup; in sock_cgroup_ptr()
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/linux/tools/perf/util/
A Dcgroup.h12 struct cgroup { struct
23 struct cgroup *cgroup__get(struct cgroup *cgroup); argument
24 void cgroup__put(struct cgroup *cgroup);
29 struct cgroup *cgroup__new(const char *name, bool do_open);
30 struct cgroup *evlist__findnew_cgroup(struct evlist *evlist, const char *name);
34 void evlist__set_default_cgroup(struct evlist *evlist, struct cgroup *cgroup);
38 struct cgroup *cgroup__findnew(struct perf_env *env, uint64_t id,
40 struct cgroup *cgroup__find(struct perf_env *env, uint64_t id);
41 struct cgroup *__cgroup__find(struct rb_root *root, uint64_t id);
46 int read_cgroup_id(struct cgroup *cgrp);
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A Dcgroup.c119 struct cgroup *cgroup = zalloc(sizeof(*cgroup)); in cgroup__new() local
125 if (!cgroup->name) in cgroup__new()
133 cgroup->fd = -1; in cgroup__new()
137 return cgroup; in cgroup__new()
142 free(cgroup); in cgroup__new()
148 struct cgroup *cgroup = evlist__find_cgroup(evlist, name); in evlist__findnew_cgroup() local
179 static void cgroup__delete(struct cgroup *cgroup) in cgroup__delete() argument
182 close(cgroup->fd); in cgroup__delete()
184 free(cgroup); in cgroup__delete()
194 struct cgroup *cgroup__get(struct cgroup *cgroup) in cgroup__get() argument
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/linux/include/trace/events/
A Dcgroup.h3 #define TRACE_SYSTEM cgroup
54 DECLARE_EVENT_CLASS(cgroup,
56 TP_PROTO(struct cgroup *cgrp, const char *path),
78 DEFINE_EVENT(cgroup, cgroup_mkdir,
80 TP_PROTO(struct cgroup *cgrp, const char *path),
85 DEFINE_EVENT(cgroup, cgroup_rmdir,
87 TP_PROTO(struct cgroup *cgrp, const char *path),
92 DEFINE_EVENT(cgroup, cgroup_release,
99 DEFINE_EVENT(cgroup, cgroup_rename,
106 DEFINE_EVENT(cgroup, cgroup_freeze,
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/linux/tools/bpf/bpftool/Documentation/
A Dbpftool-cgroup.rst4 bpftool-cgroup
17 **bpftool** [*OPTIONS*] **cgroup** *COMMAND*
31 | **bpftool** **cgroup help**
62 bpftool cgroup tree [*CGROUP_ROOT*] [effective]
79 bpf program, the program in this cgroup yields to sub-cgroup program;
80 **multi** if a sub-cgroup installs some bpf program, that cgroup program
141 | **# mkdir /sys/fs/cgroup/test.slice**
143 | **# bpftool cgroup attach /sys/fs/cgroup/test.slice/ device id 1 allow_multi**
145 **# bpftool cgroup list /sys/fs/cgroup/test.slice/**
153 | **# bpftool cgroup detach /sys/fs/cgroup/test.slice/ device id 1**
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/linux/Documentation/admin-guide/cgroup-v1/
A Dcgroups.rst220 cgroup hierarchy, or to unbind a subsystem from an active cgroup
252 cgroup dir.
293 some other cgroup) and the last child cgroup of that cgroup
308 flag is enabled (1) in a cgroup, a new cpuset cgroup will copy its
319 3) mount -t cgroup -ocpuset cpuset /sys/fs/cgroup/cpuset
324 /sys/fs/cgroup/cpuset tasks file for that cgroup.
333 mount -t cgroup cpuset -ocpuset /sys/fs/cgroup/cpuset
356 # mount -t cgroup xxx /sys/fs/cgroup
377 # mount -t cgroup -o cpuset,memory hier1 /sys/fs/cgroup/rg1
408 If you want to create a new cgroup under /sys/fs/cgroup/rg1::
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A Dpids.rst14 the number of tasks in a cgroup.
47 # mkdir -p /sys/fs/cgroup/pids
48 # mount -t cgroup -o pids none /sys/fs/cgroup/pids
52 # mkdir -p /sys/fs/cgroup/pids/parent/child
53 # echo 2 > /sys/fs/cgroup/pids/parent/pids.max
54 # echo $$ > /sys/fs/cgroup/pids/parent/cgroup.procs
55 # cat /sys/fs/cgroup/pids/parent/pids.current
62 # cat /sys/fs/cgroup/pids/parent/pids.current
72 # echo $$ > /sys/fs/cgroup/pids/parent/child/cgroup.procs
73 # cat /sys/fs/cgroup/pids/parent/pids.current
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A Dfreezer-subsystem.rst5 The cgroup freezer is useful to batch job management system which start
56 The cgroup freezer is hierarchical. Freezing a cgroup freezes all
85 the cgroup also leave the freezing state.
102 # mkdir /sys/fs/cgroup/freezer
103 # mount -t cgroup -ofreezer freezer /sys/fs/cgroup/freezer
104 # mkdir /sys/fs/cgroup/freezer/0
105 # echo $some_pid > /sys/fs/cgroup/freezer/0/tasks
109 # cat /sys/fs/cgroup/freezer/0/freezer.state
115 # cat /sys/fs/cgroup/freezer/0/freezer.state
117 # cat /sys/fs/cgroup/freezer/0/freezer.state
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A Drdma.rst23 cgroup.
40 RDMA cgroup allows limit configuration of resources. Rdma cgroup maintains
41 resource accounting per cgroup, per device using resource pool structure.
43 by rdma cgroup, which can be extended later if required.
45 This resource pool object is linked to the cgroup css. Typically there
48 single cgroup may not be handled optimally, however there is no
64 a process from previously charged cgroup which is migrated to new cgroup,
69 of interest for the cgroup.
99 echo ocrdma1 hca_handle=3 > /sys/fs/cgroup/rdma/2/rdma.max
103 cat /sys/fs/cgroup/rdma/2/rdma.max
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A Dnet_cls.rst2 Network classifier cgroup
5 The Network classifier cgroup provides an interface to
23 mkdir /sys/fs/cgroup/net_cls
24 mount -t cgroup -onet_cls net_cls /sys/fs/cgroup/net_cls
25 mkdir /sys/fs/cgroup/net_cls/0
26 echo 0x100001 > /sys/fs/cgroup/net_cls/0/net_cls.classid
30 cat /sys/fs/cgroup/net_cls/0/net_cls.classid
40 tc filter add dev eth0 parent 10: protocol ip prio 10 handle 1: cgroup
44 iptables -A OUTPUT -m cgroup ! --cgroup 0x100001 -j DROP
/linux/Documentation/bpf/libbpf/
A Dprogram_types.rst24 | ``BPF_PROG_TYPE_CGROUP_DEVICE`` | ``BPF_CGROUP_DEVICE`` | ``cgroup/dev…
26 | ``BPF_PROG_TYPE_CGROUP_SKB`` | | ``cgroup/skb…
32 | ``BPF_PROG_TYPE_CGROUP_SOCKOPT`` | ``BPF_CGROUP_GETSOCKOPT`` | ``cgroup/get…
34 | | ``BPF_CGROUP_SETSOCKOPT`` | ``cgroup/set…
36 | ``BPF_PROG_TYPE_CGROUP_SOCK_ADDR`` | ``BPF_CGROUP_INET4_BIND`` | ``cgroup/bin…
38 | | ``BPF_CGROUP_INET4_CONNECT`` | ``cgroup/con…
40 | | ``BPF_CGROUP_INET4_GETPEERNAME`` | ``cgroup/get…
42 | | ``BPF_CGROUP_INET4_GETSOCKNAME`` | ``cgroup/get…
44 | | ``BPF_CGROUP_INET6_BIND`` | ``cgroup/bin…
46 | | ``BPF_CGROUP_INET6_CONNECT`` | ``cgroup/con…
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/linux/kernel/cgroup/
A Drstat.c106 struct cgroup *parent = cgroup_parent(cgrp); in cgroup_rstat_updated()
144 static struct cgroup *cgroup_rstat_push_children(struct cgroup *head, in cgroup_rstat_push_children()
145 struct cgroup *child, int cpu) in cgroup_rstat_push_children()
149 struct cgroup *parent, *grandchild; in cgroup_rstat_push_children()
203 static struct cgroup *cgroup_rstat_updated_list(struct cgroup *root, int cpu) in cgroup_rstat_updated_list()
207 struct cgroup *head = NULL, *parent, *child; in cgroup_rstat_updated_list()
223 struct cgroup **nextp; in cgroup_rstat_updated_list()
267 struct cgroup *parent, int cpu) in bpf_rstat_flush()
385 int cgroup_rstat_init(struct cgroup *cgrp) in cgroup_rstat_init()
407 void cgroup_rstat_exit(struct cgroup *cgrp) in cgroup_rstat_exit()
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A Dcgroup-internal.h98 struct cgroup *cgrp;
186 static inline bool cgroup_is_dead(const struct cgroup *cgrp) in cgroup_is_dead()
224 bool cgroup_on_dfl(const struct cgroup *cgrp);
241 int cgroup_migrate_vet_dst(struct cgroup *dst_cgrp);
259 void cgroup_lock_and_drain_offline(struct cgroup *cgrp);
266 int __cgroup_task_count(const struct cgroup *cgrp);
267 int cgroup_task_count(const struct cgroup *cgrp);
272 int cgroup_rstat_init(struct cgroup *cgrp);
273 void cgroup_rstat_exit(struct cgroup *cgrp);
291 void cgroup1_pidlist_destroy_all(struct cgroup *cgrp);
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A Dcgroup.c1697 struct cgroup *cgrp = css->cgroup; in css_clear_dir()
1730 struct cgroup *cgrp = css->cgroup; in css_populate_dir()
3202 struct cgroup *cgrp = css->cgroup; in css_visible()
3678 struct cgroup *cgroup = seq_css(seq)->cgroup; in cgroup_stat_show() local
4331 struct cgroup *cgrp = css->cgroup; in cgroup_apply_cftypes()
5405 struct cgroup *cgrp = css->cgroup; in css_free_rwork_fn()
5456 struct cgroup *cgrp = css->cgroup; in css_release_work_fn()
5790 struct cgroup *cgroup; in cgroup_check_hierarchy_limits() local
5796 for (cgroup = parent; cgroup; cgroup = cgroup_parent(cgroup)) { in cgroup_check_hierarchy_limits()
7049 struct cgroup *cgroup; in cgroup_sk_alloc() local
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/linux/Documentation/admin-guide/
A Dcgroup-v2.rst106 What is cgroup?
295 0::/test-cgroup/test-cgroup-nested
302 0::/test-cgroup/test-cgroup-nested (deleted)
541 "cgroup.procs", "cgroup.threads", "cgroup.subtree_control", etc.).
845 All cgroup core files are prefixed with "cgroup."
988 cgroup) at and beneath the current cgroup.
992 cgroup) at and beneath the current cgroup.
1866 cgroup.
1921 cgroup.
2862 cgroup paths (in /proc/self/cgroup) only inside their root cgroup.
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/linux/tools/perf/tests/shell/
A Dstat_bpf_counters_cgrp.sh15 if ! perf stat -a --bpf-counters --for-each-cgroup / true > /dev/null 2>&1; then
18 perf --no-pager stat -a --bpf-counters --for-each-cgroup / true || true
28 if [ -d /sys/fs/cgroup/system.slice ] && [ -d /sys/fs/cgroup/user.slice ]; then
34 find_cgroups_self_cgrp=$(grep perf_event /proc/self/cgroup | cut -d: -f3)
37 find_cgroups_self_cgrp=$(grep ^0: /proc/self/cgroup | cut -d: -f3)
51 …check_system_wide_counted_output=$(perf stat -a --bpf-counters --for-each-cgroup ${test_cgroups} -…
63 …check_cpu_list_counted_output=$(perf stat -C 0,1 --bpf-counters --for-each-cgroup ${test_cgroups} …

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