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Dump DPDK physmem to stdout before allocating mbufs

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Change-Id: I9dac27dc8b6b95cfb0ee77e3cff18240b4ec21d6
Signed-off-by: Todd Foggoa (tfoggoa) <tfoggoa@cisco.com>
This commit is contained in:
Sean Hope
2016-02-22 15:21:31 -05:00
committed by Todd Foggoa
parent 2073cfe1e6
commit 98efd02119
1 changed files with 19 additions and 0 deletions
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19
vnet/vnet/devices/dpdk/init.c
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@ -974,6 +974,7 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
u8 no_pci = 0;
u8 no_huge = 0;
u8 huge_dir = 0;
u8 dump_physmem = 0;
u8 file_prefix = 0;
u8 * socket_mem = 0;
@ -1040,6 +1041,8 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
}
#endif
else if (unformat (input, "dump-physmem"))
dump_physmem = 1;
else if (unformat (input, "num-mbufs %d", &dm->num_mbufs))
;
else if (unformat (input, "max-tx-queues %d", &dm->max_tx_queues))
@ -1422,6 +1425,16 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
dm->eal_init_args_str = format(dm->eal_init_args_str, "%s ",
dm->eal_init_args[i]);
if (CLIB_DEBUG > 0)
{
int ix;
clib_warning ("DPDK eal init args:\n");
for (ix=0; ix<vec_len(dm->eal_init_args); ix++) {
clib_warning (" %s\n", dm->eal_init_args[ix]);
}
}
ret = rte_eal_init(vec_len(dm->eal_init_args), (char **) dm->eal_init_args);
/* lazy umount hugepages */
@ -1430,6 +1443,12 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
if (ret < 0)
return clib_error_return (0, "rte_eal_init returned %d", ret);
/* Dump the physical memory layout prior to creating the mbuf_pool */
if (dump_physmem) {
fprintf(stdout, "DPDK physical memory layout:\n");
rte_dump_physmem_layout(stdout);
}
/* main thread 1st */
error = vlib_buffer_pool_create(vm, dm->num_mbufs, MBUF_SIZE, rte_socket_id());
if (error)