d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

examples/l3fwd-power: disable interrupts by default

Browse Source 
Currently, interrupts are enabled in telemetry and empty poll modes, but
they are not used. Switch to disabling interrupts by default, and only
enable interrupts for modes that require them.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
Tested-by: Yinan Wang <yinan.wang@intel.com>
This commit is contained in:
Anatoly Burakov 2020-06-19 11:53:49 +01:00 committed by Thomas Monjalon
parent 9d2b245937
commit f06493ad73
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
examples/l3fwd-power/main.c
View File

@ -256,10 +256,7 @@ static struct rte_eth_conf port_conf = {
},
.txmode = {
.mq_mode = ETH_MQ_TX_NONE,
},
.intr_conf = {
.rxq = 1,
},
}
};
static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
@ -2270,6 +2267,8 @@ main(int argc, char **argv)
/* initialize all ports */
RTE_ETH_FOREACH_DEV(portid) {
struct rte_eth_conf local_port_conf = port_conf;
/* not all app modes need interrupts */
bool need_intr = app_mode == APP_MODE_LEGACY;
/* skip ports that are not enabled */
if ((enabled_port_mask & (1 << portid)) == 0) {
@ -2303,7 +2302,10 @@ main(int argc, char **argv)
nb_rx_queue, (unsigned)n_tx_queue );
/* If number of Rx queue is 0, no need to enable Rx interrupt */
if (nb_rx_queue == 0)
local_port_conf.intr_conf.rxq = 0;
need_intr = false;
if (need_intr)
local_port_conf.intr_conf.rxq = 1;
ret = rte_eth_dev_info_get(portid, &dev_info);
if (ret != 0)