[dpdk-dev] Api in dpdk to get total free physical memory
Venumadhav Josyula
vjosyula at gmail.com
Thu Mar 8 22:36:41 CET 2018
Hi All,
Like ‘rte_eal_get_physmem_size’ api to the total size of the physical
memory. Is there an API to get to get total free memory physical memory
available ?
We want such API we are planning to implement such API for the same
/* get the total size of memory */
uint64_t
rte_eal_get_physmem_free(int socket_id)
{
const struct rte_mem_config *mcfg;
unsigned i = 0;
uint64_t total_len = 0;
/* get pointer to global configuration */
mcfg = rte_eal_get_configuration()->mem_config;
for (i=0; i<RTE_MAX_MEMSEG; i++) {
if (mcfg->free_memseg[i].addr == NULL)
break;
if (mcfg->free_memseg[i].len == 0)
continue;
/* bad socket ID */
if (socket_id != SOCKET_ID_ANY &&
mcfg->free_memseg[i].socket_id != SOCKET_ID_ANY &&
socket_id != mcfg->free_memseg[i].socket_id)
continue;
total_len += mcfg->free_memseg[i].len;
}
return total_len;
}
Thanks,
Regards
Venu
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