/*
* Main packet transmit routine. Transmit packets at a fixed rate for
* specified length of time.
*/
static void *run_thread_tx(void *arg)
{
test_globals_t *globals;
int thr_id;
odp_queue_t outq;
pkt_tx_stats_t *stats;
uint64_t next_tx_cycles, end_cycles, cur_cycles;
uint64_t burst_gap_cycles;
uint32_t batch_len;
int unsent_pkts = 0;
odp_event_t tx_event[BATCH_LEN_MAX];
uint64_t idle_start = 0;
thread_args_t *targs = arg;
batch_len = targs->batch_len;
if (batch_len > BATCH_LEN_MAX)
batch_len = BATCH_LEN_MAX;
thr_id = odp_thread_id();
globals = odp_shm_addr(odp_shm_lookup("test_globals"));
stats = &globals->tx_stats[thr_id];
outq = odp_pktio_outq_getdef(globals->pktio_tx);
if (outq == ODP_QUEUE_INVALID)
LOG_ABORT("Failed to get output queue for thread %d\n", thr_id);
burst_gap_cycles = odp_time_ns_to_cycles(
(ODP_TIME_SEC * 999) / (1000 * targs->pps / (targs->batch_len)));
odp_barrier_wait(&globals->tx_barrier);
cur_cycles = odp_time_cycles();
next_tx_cycles = cur_cycles;
end_cycles = cur_cycles +
odp_time_ns_to_cycles(targs->duration * ODP_TIME_SEC);
while (cur_cycles < end_cycles) {
unsigned alloc_cnt = 0, tx_cnt;
if (cur_cycles < next_tx_cycles) {
cur_cycles = odp_time_cycles();
if (idle_start == 0)
idle_start = cur_cycles;
continue;
}
if (idle_start) {
stats->s.idle_cycles += odp_time_diff_cycles(
idle_start, cur_cycles);
idle_start = 0;
}
next_tx_cycles += burst_gap_cycles;
alloc_cnt = alloc_packets(tx_event, batch_len - unsent_pkts);
if (alloc_cnt != batch_len)
stats->s.alloc_failures++;
tx_cnt = send_packets(outq, tx_event, alloc_cnt);
unsent_pkts = alloc_cnt - tx_cnt;
stats->s.enq_failures += unsent_pkts;
stats->s.tx_cnt += tx_cnt;
cur_cycles = odp_time_cycles();
}
VPRINT(" %02d: TxPkts %-8"PRIu64" EnqFail %-6"PRIu64
" AllocFail %-6"PRIu64" Idle %"PRIu64"ms\n",
thr_id, stats->s.tx_cnt,
stats->s.enq_failures, stats->s.alloc_failures,
odp_time_cycles_to_ns(stats->s.idle_cycles)/1000/1000);
return NULL;
}
/*
* Main packet transmit routine. Transmit packets at a fixed rate for
* specified length of time.
*/
static int run_thread_tx(void *arg)
{
test_globals_t *globals;
int thr_id;
odp_pktout_queue_t pktout;
pkt_tx_stats_t *stats;
odp_time_t cur_time, send_time_end, send_duration;
odp_time_t burst_gap_end, burst_gap;
uint32_t batch_len;
int unsent_pkts = 0;
odp_packet_t tx_packet[BATCH_LEN_MAX];
odp_time_t idle_start = ODP_TIME_NULL;
thread_args_t *targs = arg;
batch_len = targs->batch_len;
if (batch_len > BATCH_LEN_MAX)
batch_len = BATCH_LEN_MAX;
thr_id = odp_thread_id();
globals = odp_shm_addr(odp_shm_lookup("test_globals"));
stats = &globals->tx_stats[thr_id];
if (odp_pktout_queue(globals->pktio_tx, &pktout, 1) != 1)
LOG_ABORT("Failed to get output queue for thread %d\n", thr_id);
burst_gap = odp_time_local_from_ns(
ODP_TIME_SEC_IN_NS / (targs->pps / targs->batch_len));
send_duration =
odp_time_local_from_ns(targs->duration * ODP_TIME_SEC_IN_NS);
odp_barrier_wait(&globals->tx_barrier);
cur_time = odp_time_local();
send_time_end = odp_time_sum(cur_time, send_duration);
burst_gap_end = cur_time;
while (odp_time_cmp(send_time_end, cur_time) > 0) {
unsigned alloc_cnt = 0, tx_cnt;
if (odp_time_cmp(burst_gap_end, cur_time) > 0) {
cur_time = odp_time_local();
if (!odp_time_cmp(idle_start, ODP_TIME_NULL))
idle_start = cur_time;
continue;
}
if (odp_time_cmp(idle_start, ODP_TIME_NULL) > 0) {
odp_time_t diff = odp_time_diff(cur_time, idle_start);
stats->s.idle_ticks =
odp_time_sum(diff, stats->s.idle_ticks);
idle_start = ODP_TIME_NULL;
}
burst_gap_end = odp_time_sum(burst_gap_end, burst_gap);
alloc_cnt = alloc_packets(tx_packet, batch_len - unsent_pkts);
if (alloc_cnt != batch_len)
stats->s.alloc_failures++;
tx_cnt = send_packets(pktout, tx_packet, alloc_cnt);
unsent_pkts = alloc_cnt - tx_cnt;
stats->s.enq_failures += unsent_pkts;
stats->s.tx_cnt += tx_cnt;
cur_time = odp_time_local();
}
VPRINT(" %02d: TxPkts %-8" PRIu64 " EnqFail %-6" PRIu64
" AllocFail %-6" PRIu64 " Idle %" PRIu64 "ms\n",
thr_id, stats->s.tx_cnt,
stats->s.enq_failures, stats->s.alloc_failures,
odp_time_to_ns(stats->s.idle_ticks) /
(uint64_t)ODP_TIME_MSEC_IN_NS);
return 0;
}
