25  * Check if the cgroup is frozen by looking at the cgroup.events::frozen value.
27 static int cg_check_frozen(const char *cgroup, bool frozen)  in cg_check_frozen()  argument
29 	if (frozen) {  in cg_check_frozen()
30 		if (cg_read_strstr(cgroup, "cgroup.events", "frozen 1") != 0) {  in cg_check_frozen()
31 			debug("Cgroup %s isn't frozen\n", cgroup);  in cg_check_frozen()
36 		 * Check the cgroup.events::frozen value.  in cg_check_frozen()
38 		if (cg_read_strstr(cgroup, "cgroup.events", "frozen 0") != 0) {  in cg_check_frozen()
39 			debug("Cgroup %s is frozen\n", cgroup);  in cg_check_frozen()
56  * Attach a task to the given cgroup and wait for a cgroup frozen event.
60 					bool frozen)  in cg_enter_and_wait_for_frozen()  argument
78 		ret = cg_check_frozen(cgroup, frozen);  in cg_enter_and_wait_for_frozen()
273 	 * Check that A and E are not frozen.  in test_cgfreezer_tree()
282 	 * Freeze A. Check that A, B and E are frozen.  in test_cgfreezer_tree()
306 	 * Check that C and H are still frozen.  in test_cgfreezer_tree()
315 	 * Unfreeze A. Check that A, C and K are not frozen.  in test_cgfreezer_tree()
397  * is frozen and the parent cgroup remains frozen too.
450  * remains frozen and it's possible to create a new child
451  * without unfreezing. The new child is frozen too.
502  * 1) A (running) -> B (frozen)
503  * 2) B (frozen) -> A (running)
504  * 3) A (frozen) -> B (frozen)
536 	 * Migrate from A (running) to B (frozen)  in test_cgfreezer_migrate()
548 	 * Migrate from B (frozen) to A (running)  in test_cgfreezer_migrate()
557 	 * Migrate from A (frozen) to B (frozen)  in test_cgfreezer_migrate()
581  * The test checks that ptrace works with a tracing process in a frozen cgroup.
616 	 * Cgroup has to remain frozen, however the test task  in test_cgfreezer_ptrace()