bpf/progs/test_bpf_ma.c

1 // SPDX-License-Identifier: GPL-2.0
16 const unsigned int data_sizes[] = {16, 32, 64, 96, 128, 192, 256, 512, 1024, 2048, 4096};
19 const unsigned int percpu_data_sizes[] = {8, 16, 32, 64, 96, 128, 192, 256, 512};
27 		char data[_size - sizeof(void *)]; \
74 		old = bpf_kptr_xchg(&value->data, new);  in batch_alloc()
96 		old = bpf_kptr_xchg(&value->data, NULL);  in batch_free()
119 		/* per-cpu allocator may not be able to refill in time */  in batch_percpu_alloc()
124 		old = bpf_kptr_xchg(&value->data, new);  in batch_percpu_alloc()
147 		old = bpf_kptr_xchg(&value->data, NULL);  in batch_percpu_free()
172 /* kptr doesn't support bin_data_8 which is a zero-sized array */
180 DEFINE_ARRAY_WITH_KPTR(512);
193 DEFINE_ARRAY_WITH_PERCPU_KPTR(512);
201 	/* Alloc 128 16-bytes objects in batch to trigger refilling,  in test_batch_alloc_free()
202 	 * then free 128 16-bytes objects in batch to trigger freeing.  in test_batch_alloc_free()
211 	CALL_BATCH_ALLOC_FREE(512, 64, 7);  in test_batch_alloc_free()
225 	/* Alloc 128 16-bytes objects in batch to trigger refilling,  in test_free_through_map_free()
235 	CALL_BATCH_ALLOC(512, 64, 7);  in test_free_through_map_free()
249 	/* Alloc 128 8-bytes per-cpu objects in batch to trigger refilling,  in test_batch_percpu_alloc_free()
250 	 * then free 128 8-bytes per-cpu objects in batch to trigger freeing.  in test_batch_percpu_alloc_free()
260 	CALL_BATCH_PERCPU_ALLOC_FREE(512, 64, 8);  in test_batch_percpu_alloc_free()
271 	/* Alloc 128 8-bytes per-cpu objects in batch to trigger refilling,  in test_percpu_free_through_map_free()
282 	CALL_BATCH_PERCPU_ALLOC(512, 64, 8);  in test_percpu_free_through_map_free()