test/pmd_perf: use compiler atomic builtins for polling sync
Convert rte_atomic usages to compiler atomic built-ins for polling sync in pmd_perf test cases. Signed-off-by: Joyce Kong <joyce.kong@arm.com> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
This commit is contained in:
parent
3dd8b5b389
commit
a598afba59
@ -10,7 +10,6 @@
|
||||
#include <rte_cycles.h>
|
||||
#include <rte_ethdev.h>
|
||||
#include <rte_byteorder.h>
|
||||
#include <rte_atomic.h>
|
||||
#include <rte_malloc.h>
|
||||
#include "packet_burst_generator.h"
|
||||
#include "test.h"
|
||||
@ -525,7 +524,7 @@ main_loop(__rte_unused void *args)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static rte_atomic64_t start;
|
||||
static uint64_t start;
|
||||
|
||||
static inline int
|
||||
poll_burst(void *args)
|
||||
@ -563,8 +562,7 @@ poll_burst(void *args)
|
||||
num[portid] = pkt_per_port;
|
||||
}
|
||||
|
||||
while (!rte_atomic64_read(&start))
|
||||
;
|
||||
rte_wait_until_equal_64(&start, 1, __ATOMIC_ACQUIRE);
|
||||
|
||||
cur_tsc = rte_rdtsc();
|
||||
while (total) {
|
||||
@ -616,16 +614,19 @@ exec_burst(uint32_t flags, int lcore)
|
||||
pkt_per_port = MAX_TRAFFIC_BURST;
|
||||
num = pkt_per_port * conf->nb_ports;
|
||||
|
||||
rte_atomic64_init(&start);
|
||||
/* only when polling first */
|
||||
if (flags == SC_BURST_POLL_FIRST)
|
||||
__atomic_store_n(&start, 1, __ATOMIC_RELAXED);
|
||||
else
|
||||
__atomic_store_n(&start, 0, __ATOMIC_RELAXED);
|
||||
|
||||
/* start polling thread, but not actually poll yet */
|
||||
/* start polling thread
|
||||
* if in POLL_FIRST mode, poll once launched;
|
||||
* otherwise, 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 */
|
||||
i = 0;
|
||||
while (num) {
|
||||
@ -641,7 +642,7 @@ exec_burst(uint32_t flags, int lcore)
|
||||
|
||||
/* only when polling second */
|
||||
if (flags == SC_BURST_XMIT_FIRST)
|
||||
rte_atomic64_set(&start, 1);
|
||||
__atomic_store_n(&start, 1, __ATOMIC_RELEASE);
|
||||
|
||||
/* wait for polling finished */
|
||||
diff_tsc = rte_eal_wait_lcore(lcore);
|
||||
|
Loading…
Reference in New Issue
Block a user