static int
exec_burst(uint32_t flags, int lcore)
{
unsigned i, portid, nb_tx = 0;
struct lcore_conf *conf;
uint32_t pkt_per_port;
int num, idx = 0;
int diff_tsc;
conf = &lcore_conf[lcore];
pkt_per_port = MAX_TRAFFIC_BURST;
num = pkt_per_port;
rte_atomic64_init(&start);
/* start polling thread, but not actually poll yet */
rte_eal_remote_launch(poll_burst,
(void *)&pkt_per_port, lcore);
/* Only when polling first */
if (flags == SC_BURST_POLL_FIRST)
rte_atomic64_set(&start, 1);
/* start xmit */
while (num) {
nb_tx = RTE_MIN(MAX_PKT_BURST, num);
for (i = 0; i < conf->nb_ports; i++) {
portid = conf->portlist[i];
rte_eth_tx_burst(portid, 0,
&tx_burst[idx], nb_tx);
idx += nb_tx;
}
num -= nb_tx;
}
sleep(5);
/* only when polling second */
if (flags == SC_BURST_XMIT_FIRST)
rte_atomic64_set(&start, 1);
/* wait for polling finished */
diff_tsc = rte_eal_wait_lcore(lcore);
if (diff_tsc < 0) {
printf("exec_burst: Failed to measure cycles per packet\n");
return -1;
}
printf("Result: %d cycles per packet\n", diff_tsc);
return 0;
}
/*
* Create a mutex
*/
int
lthread_mutex_init(char *name, struct lthread_mutex **mutex,
__rte_unused const struct lthread_mutexattr *attr)
{
struct lthread_mutex *m;
if (mutex == NULL)
return POSIX_ERRNO(EINVAL);
m = _lthread_objcache_alloc((THIS_SCHED)->mutex_cache);
if (m == NULL)
return POSIX_ERRNO(EAGAIN);
m->blocked = _lthread_queue_create("blocked queue");
if (m->blocked == NULL) {
_lthread_objcache_free((THIS_SCHED)->mutex_cache, m);
return POSIX_ERRNO(EAGAIN);
}
if (name == NULL)
strncpy(m->name, "no name", sizeof(m->name));
else
strncpy(m->name, name, sizeof(m->name));
m->name[sizeof(m->name)-1] = 0;
m->root_sched = THIS_SCHED;
m->owner = NULL;
rte_atomic64_init(&m->count);
DIAG_CREATE_EVENT(m, LT_DIAG_MUTEX_CREATE);
/* success */
(*mutex) = m;
return 0;
}