27  * Check if the cgroup is frozen by looking at the cgroup.events::frozen value.
29 static int cg_check_frozen(const char *cgroup, bool frozen)  in cg_check_frozen()  argument
31 	if (frozen) {  in cg_check_frozen()
32 		if (cg_read_strstr(cgroup, "cgroup.events", "frozen 1") != 0) {  in cg_check_frozen()
33 			debug("Cgroup %s isn't frozen\n", cgroup);  in cg_check_frozen()
38 		 * Check the cgroup.events::frozen value.  in cg_check_frozen()
40 		if (cg_read_strstr(cgroup, "cgroup.events", "frozen 0") != 0) {  in cg_check_frozen()
41 			debug("Cgroup %s is frozen\n", cgroup);  in cg_check_frozen()
113  * Attach a task to the given cgroup and wait for a cgroup frozen event.
117 					bool frozen)  in cg_enter_and_wait_for_frozen()  argument
135 		ret = cg_check_frozen(cgroup, frozen);  in cg_enter_and_wait_for_frozen()
330 	 * Check that A and E are not frozen.  in test_cgfreezer_tree()
339 	 * Freeze A. Check that A, B and E are frozen.  in test_cgfreezer_tree()
363 	 * Check that C and H are still frozen.  in test_cgfreezer_tree()
372 	 * Unfreeze A. Check that A, C and K are not frozen.  in test_cgfreezer_tree()
454  * is frozen and the parent cgroup remains frozen too.
507  * remains frozen and it's possible to create a new child
508  * without unfreezing. The new child is frozen too.
559  * 1) A (running) -> B (frozen)
560  * 2) B (frozen) -> A (running)
561  * 3) A (frozen) -> B (frozen)
593 	 * Migrate from A (running) to B (frozen)  in test_cgfreezer_migrate()
605 	 * Migrate from B (frozen) to A (running)  in test_cgfreezer_migrate()
614 	 * Migrate from A (frozen) to B (frozen)  in test_cgfreezer_migrate()
638  * The test checks that ptrace works with a tracing process in a frozen cgroup.
673 	 * Cgroup has to remain frozen, however the test task  in test_cgfreezer_ptrace()