From f11bdb206a55c1d604455b64f636bca034680e85 Mon Sep 17 00:00:00 2001 From: Joyce Kong Date: Mon, 19 Jul 2021 22:51:18 -0500 Subject: [PATCH] test/ticketlock: use compiler atomics for lcores sync Convert rte_atomic usages to compiler atomic built-ins for lcores sync in ticketlock testcases. Signed-off-by: Joyce Kong Reviewed-by: Ruifeng Wang Reviewed-by: Honnappa Nagarahalli Acked-by: Stephen Hemminger --- app/test/test_ticketlock.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/app/test/test_ticketlock.c b/app/test/test_ticketlock.c index 7aab8665bc..242c136478 100644 --- a/app/test/test_ticketlock.c +++ b/app/test/test_ticketlock.c @@ -9,7 +9,6 @@ #include #include -#include #include #include #include @@ -49,7 +48,7 @@ static rte_ticketlock_t tl_tab[RTE_MAX_LCORE]; static rte_ticketlock_recursive_t tlr; static unsigned int count; -static rte_atomic32_t synchro; +static uint32_t synchro; static int test_ticketlock_per_core(__rte_unused void *arg) @@ -112,8 +111,7 @@ load_loop_fn(void *func_param) /* wait synchro for workers */ if (lcore != rte_get_main_lcore()) - while (rte_atomic32_read(&synchro) == 0) - ; + rte_wait_until_equal_32(&synchro, 1, __ATOMIC_RELAXED); begin = rte_rdtsc_precise(); while (lcore_count[lcore] < MAX_LOOP) { @@ -155,11 +153,11 @@ test_ticketlock_perf(void) printf("\nTest with lock on %u cores...\n", rte_lcore_count()); /* Clear synchro and start workers */ - rte_atomic32_set(&synchro, 0); + __atomic_store_n(&synchro, 0, __ATOMIC_RELAXED); rte_eal_mp_remote_launch(load_loop_fn, &lock, SKIP_MAIN); /* start synchro and launch test on main */ - rte_atomic32_set(&synchro, 1); + __atomic_store_n(&synchro, 1, __ATOMIC_RELAXED); load_loop_fn(&lock); rte_eal_mp_wait_lcore(); -- 2.20.1