bpf/progs/test_bpf_ma.c

1 // SPDX-License-Identifier: GPL-2.0
20 const unsigned int data_sizes[] = {16, 32, 64, 96, 128, 192, 256, 512, 1024, 2048, 4096};
23 const unsigned int percpu_data_sizes[] = {8, 16, 32, 64, 96, 128, 192, 256, 512};
31 		char data[_size - sizeof(void *)]; \
78 		old = bpf_kptr_xchg(&value->data, new);  in batch_alloc()
100 		old = bpf_kptr_xchg(&value->data, NULL);  in batch_free()
123 		/* per-cpu allocator may not be able to refill in time */  in batch_percpu_alloc()
128 		old = bpf_kptr_xchg(&value->data, new);  in batch_percpu_alloc()
151 		old = bpf_kptr_xchg(&value->data, NULL);  in batch_percpu_free()
176 /* kptr doesn't support bin_data_8 which is a zero-sized array */
184 DEFINE_ARRAY_WITH_KPTR(512);
197 DEFINE_ARRAY_WITH_PERCPU_KPTR(512);
205 	/* Alloc 128 16-bytes objects in batch to trigger refilling,  in test_batch_alloc_free()
206 	 * then free 128 16-bytes objects in batch to trigger freeing.  in test_batch_alloc_free()
215 	CALL_BATCH_ALLOC_FREE(512, 64, 7);  in test_batch_alloc_free()
229 	/* Alloc 128 16-bytes objects in batch to trigger refilling,  in test_free_through_map_free()
239 	CALL_BATCH_ALLOC(512, 64, 7);  in test_free_through_map_free()
253 	/* Alloc 128 8-bytes per-cpu objects in batch to trigger refilling,  in test_batch_percpu_alloc_free()
254 	 * then free 128 8-bytes per-cpu objects in batch to trigger freeing.  in test_batch_percpu_alloc_free()
264 	CALL_BATCH_PERCPU_ALLOC_FREE(512, 64, 8);  in test_batch_percpu_alloc_free()
275 	/* Alloc 128 8-bytes per-cpu objects in batch to trigger refilling,  in test_percpu_free_through_map_free()
286 	CALL_BATCH_PERCPU_ALLOC(512, 64, 8);  in test_percpu_free_through_map_free()