From: Joyce Kong <joyce.kong@arm.com>
Cc: dev@dpdk.org, honnappa.nagarahalli@arm.com, nd@arm.com,
Joyce Kong <joyce.kong@arm.com>,
Ruifeng Wang <ruifeng.wang@arm.com>
Subject: [PATCH v2 01/12] test/pmd_perf: use compiler atomic builtins for polling sync
Date: Tue, 16 Nov 2021 09:41:54 +0000 [thread overview]
Message-ID: <20211116094205.750359-2-joyce.kong@arm.com> (raw)
In-Reply-To: <20211116094205.750359-1-joyce.kong@arm.com>
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>
---
app/test/test_pmd_perf.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff --git a/app/test/test_pmd_perf.c b/app/test/test_pmd_perf.c
index 1df86ce080..546384a50d 100644
--- a/app/test/test_pmd_perf.c
+++ b/app/test/test_pmd_perf.c
@@ -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) {
@@ -616,15 +614,15 @@ exec_burst(uint32_t flags, int lcore)
pkt_per_port = MAX_TRAFFIC_BURST;
num = pkt_per_port * conf->nb_ports;
- 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);
+ __atomic_store_n(&start, 1, __ATOMIC_RELAXED);
+ else
+ __atomic_store_n(&start, 0, __ATOMIC_RELAXED);
/* start xmit */
i = 0;
@@ -641,7 +639,7 @@ 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);
--
2.25.1
next prev parent reply other threads:[~2021-11-16 9:42 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-16 9:41 [PATCH v2 00/12] use compiler atomic builtins for app modules Joyce Kong
2021-11-16 9:41 ` Joyce Kong [this message]
2021-11-16 21:30 ` [PATCH v2 01/12] test/pmd_perf: use compiler atomic builtins for polling sync Honnappa Nagarahalli
2021-11-16 9:41 ` [PATCH v2 02/12] test/ring_perf: use compiler atomic builtins for lcores sync Joyce Kong
2021-11-16 9:41 ` [PATCH v2 03/12] test/timer: use compiler atomic builtins for sync Joyce Kong
2021-11-16 19:52 ` Honnappa Nagarahalli
2021-11-16 20:20 ` David Marchand
2021-11-16 21:21 ` Honnappa Nagarahalli
2021-11-17 9:29 ` David Marchand
2021-11-16 9:41 ` [PATCH v2 04/12] test/stack_perf: use compiler atomics for lcore sync Joyce Kong
2021-11-16 9:41 ` [PATCH v2 05/12] test/bpf: use compiler atomics for calculation Joyce Kong
2021-11-16 9:41 ` [PATCH v2 06/12] test/func_reentrancy: use compiler atomics for data sync Joyce Kong
2021-11-16 9:42 ` [PATCH v2 07/12] app/eventdev: use compiler atomics for shared " Joyce Kong
2021-11-16 9:42 ` [PATCH v2 08/12] app/crypto: use compiler atomic builtins for display sync Joyce Kong
2021-11-16 9:42 ` [PATCH v2 09/12] app/compress: " Joyce Kong
2021-11-16 20:15 ` Honnappa Nagarahalli
2021-11-16 9:42 ` [PATCH v2 10/12] app/testpmd: remove atomic operations for port status Joyce Kong
2021-11-16 21:34 ` Honnappa Nagarahalli
2021-11-16 9:42 ` [PATCH v2 11/12] app/bbdev: use compiler atomics for shared data sync Joyce Kong
2021-11-16 9:42 ` [PATCH v2 12/12] app: remove unnecessary include of atomic header file Joyce Kong
2021-11-16 20:23 ` David Marchand
2021-11-17 7:05 ` Joyce Kong
2021-11-17 8:21 ` [PATCH v3 00/12] use compiler atomic builtins for app modules Joyce Kong
2021-11-17 8:21 ` [PATCH v3 01/12] test/pmd_perf: use compiler atomic builtins for polling sync Joyce Kong
2021-11-17 8:21 ` [PATCH v3 02/12] test/ring_perf: use compiler atomic builtins for lcores sync Joyce Kong
2021-11-17 8:21 ` [PATCH v3 03/12] test/timer: use compiler atomic builtins for sync Joyce Kong
2021-11-17 8:21 ` [PATCH v3 04/12] test/stack_perf: use compiler atomics for lcore sync Joyce Kong
2021-11-17 8:21 ` [PATCH v3 05/12] test/bpf: use compiler atomics for calculation Joyce Kong
2021-11-17 8:21 ` [PATCH v3 06/12] test/func_reentrancy: use compiler atomics for data sync Joyce Kong
2021-11-17 8:21 ` [PATCH v3 07/12] app/eventdev: use compiler atomics for shared " Joyce Kong
2021-11-17 8:21 ` [PATCH v3 08/12] app/crypto: use compiler atomic builtins for display sync Joyce Kong
2021-11-17 8:21 ` [PATCH v3 09/12] app/compress: " Joyce Kong
2021-11-17 8:21 ` [PATCH v3 10/12] app/testpmd: remove atomic operations for port status Joyce Kong
2021-11-17 8:21 ` [PATCH v3 11/12] app/bbdev: use compiler atomics for shared data sync Joyce Kong
2021-11-17 8:22 ` [PATCH v3 12/12] app: remove unnecessary include of atomic header file Joyce Kong
2021-11-17 10:02 ` [PATCH v3 00/12] use compiler atomic builtins for app modules David Marchand
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