diff options
Diffstat (limited to 'src/seastar/dpdk/test/test/test_memory.c')
-rw-r--r-- | src/seastar/dpdk/test/test/test_memory.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/seastar/dpdk/test/test/test_memory.c b/src/seastar/dpdk/test/test/test_memory.c new file mode 100644 index 00000000..921bdc88 --- /dev/null +++ b/src/seastar/dpdk/test/test/test_memory.c @@ -0,0 +1,89 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdio.h> +#include <stdint.h> + +#include <rte_memory.h> +#include <rte_common.h> + +#include "test.h" + +/* + * Memory + * ====== + * + * - Dump the mapped memory. The python-expect script checks that at + * least one line is dumped. + * + * - Check that memory size is different than 0. + * + * - Try to read all memory; it should not segfault. + */ + +static int +test_memory(void) +{ + uint64_t s; + unsigned i; + size_t j; + const struct rte_memseg *mem; + + /* + * dump the mapped memory: the python-expect script checks + * that at least one line is dumped + */ + printf("Dump memory layout\n"); + rte_dump_physmem_layout(stdout); + + /* check that memory size is != 0 */ + s = rte_eal_get_physmem_size(); + if (s == 0) { + printf("No memory detected\n"); + return -1; + } + + /* try to read memory (should not segfault) */ + mem = rte_eal_get_physmem_layout(); + for (i = 0; i < RTE_MAX_MEMSEG && mem[i].addr != NULL ; i++) { + + /* check memory */ + for (j = 0; j<mem[i].len; j++) { + *((volatile uint8_t *) mem[i].addr + j); + } + } + + return 0; +} + +REGISTER_TEST_COMMAND(memory_autotest, test_memory); |