selftests/cgroup/test_kmem.c

129 static int cg_run_in_subcgroups(const char *parent,
137 		child = cg_name_indexed(parent, "child", i);
163  * threads. Then it checks the sanity of numbers on the parent level:
171 	char *parent;
173 	parent = cg_name(root, "kmem_memcg_deletion_test");
174 	if (!parent)
177 	if (cg_create(parent))
180 	if (cg_write(parent, "cgroup.subtree_control", "+memory"))
183 	if (cg_run_in_subcgroups(parent, alloc_kmem_smp, NULL, 100))
186 	current = cg_read_long(parent, "memory.current");
187 	anon = cg_read_key_long(parent, "memory.stat", "anon ");
188 	file = cg_read_key_long(parent, "memory.stat", "file ");
189 	kernel = cg_read_key_long(parent, "memory.stat", "kernel ");
190 	sock = cg_read_key_long(parent, "memory.stat", "sock ");
207 	cg_destroy(parent);
208 	free(parent);
303  * that the number of dying cgroups on the parent level is 0.
308 	char *parent;
313 	parent = cg_name(root, "kmem_dead_cgroups_test");
314 	if (!parent)
317 	if (cg_create(parent))
320 	if (cg_write(parent, "cgroup.subtree_control", "+memory"))
323 	if (cg_run_in_subcgroups(parent, alloc_dcache, (void *)100, 30))
327 		dead = cg_read_key_long(parent, "cgroup.stat",
343 	cg_destroy(parent);
344 	free(parent);
351  * Then it checks that the memory.current on the parent level
358 	char *parent, *child;
362 	parent = cg_name(root, "percpu_basic_test");
363 	if (!parent)
366 	if (cg_create(parent))
369 	if (cg_write(parent, "cgroup.subtree_control", "+memory"))
373 		child = cg_name_indexed(parent, "child", i);
383 	current = cg_read_long(parent, "memory.current");
384 	percpu = cg_read_key_long(parent, "memory.stat", "percpu ");
395 		child = cg_name_indexed(parent, "child", i);
401 	cg_destroy(parent);
402 	free(parent);