From: Joyce Kong <joyce.kong@arm.com>
To: thomas@monjalon.net, david.marchand@redhat.com,
honnappa.nagarahalli@arm.com, ruifeng.wang@arm.com,
konstantin.ananyev@intel.com, rsanford@akamai.com,
erik.g.carrillo@intel.com, olivier.matz@6wind.com,
yipeng1.wang@intel.com, sameh.gobriel@intel.com,
bruce.richardson@intel.com, vladimir.medvedkin@intel.com,
anatoly.burakov@intel.com, andrew.rybchenko@oktetlabs.ru,
jerinj@marvell.com, declan.doherty@intel.com,
ciara.power@intel.com, xiaoyun.li@intel.com,
nicolas.chautru@intel.com, maryam.tahhan@intel.com,
reshma.pattan@intel.com, cristian.dumitrescu@intel.com
Cc: dev@dpdk.org, nd@arm.com
Subject: [dpdk-dev] [PATCH v1 06/12] test/func_reentrancy: use compiler atomic for data sync
Date: Mon, 2 Aug 2021 05:18:41 -0500 [thread overview]
Message-ID: <20210802101847.3462-7-joyce.kong@arm.com> (raw)
In-Reply-To: <20210802101847.3462-1-joyce.kong@arm.com>
Convert rte_atomic usages to compiler atomic built-ins
for data sync in func_reentrancy test cases.
Signed-off-by: Joyce Kong <joyce.kong@arm.com>
Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
---
app/test/test_func_reentrancy.c | 27 +++++++++++++--------------
1 file changed, 13 insertions(+), 14 deletions(-)
diff --git a/app/test/test_func_reentrancy.c b/app/test/test_func_reentrancy.c
index 231c99a9eb..c00ecb8110 100644
--- a/app/test/test_func_reentrancy.c
+++ b/app/test/test_func_reentrancy.c
@@ -20,7 +20,6 @@
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
-#include <rte_atomic.h>
#include <rte_branch_prediction.h>
#include <rte_ring.h>
#include <rte_mempool.h>
@@ -54,12 +53,12 @@ typedef void (*case_clean_t)(unsigned lcore_id);
#define MAX_LCORES (RTE_MAX_MEMZONE / (MAX_ITER_MULTI * 4U))
-static rte_atomic32_t obj_count = RTE_ATOMIC32_INIT(0);
-static rte_atomic32_t synchro = RTE_ATOMIC32_INIT(0);
+static uint32_t obj_count;
+static uint32_t synchro;
#define WAIT_SYNCHRO_FOR_WORKERS() do { \
if (lcore_self != rte_get_main_lcore()) \
- while (rte_atomic32_read(&synchro) == 0); \
+ rte_wait_until_equal_32(&synchro, 1, __ATOMIC_RELAXED); \
} while(0)
/*
@@ -72,7 +71,7 @@ test_eal_init_once(__rte_unused void *arg)
WAIT_SYNCHRO_FOR_WORKERS();
- rte_atomic32_set(&obj_count, 1); /* silent the check in the caller */
+ __atomic_store_n(&obj_count, 1, __ATOMIC_RELAXED); /* silent the check in the caller */
if (rte_eal_init(0, NULL) != -1)
return -1;
@@ -112,7 +111,7 @@ ring_create_lookup(__rte_unused void *arg)
for (i = 0; i < MAX_ITER_ONCE; i++) {
rp = rte_ring_create("fr_test_once", 4096, SOCKET_ID_ANY, 0);
if (rp != NULL)
- rte_atomic32_inc(&obj_count);
+ __atomic_fetch_add(&obj_count, 1, __ATOMIC_RELAXED);
}
/* create/lookup new ring several times */
@@ -176,7 +175,7 @@ mempool_create_lookup(__rte_unused void *arg)
my_obj_init, NULL,
SOCKET_ID_ANY, 0);
if (mp != NULL)
- rte_atomic32_inc(&obj_count);
+ __atomic_fetch_add(&obj_count, 1, __ATOMIC_RELAXED);
}
/* create/lookup new ring several times */
@@ -239,7 +238,7 @@ hash_create_free(__rte_unused void *arg)
for (i = 0; i < MAX_ITER_ONCE; i++) {
handle = rte_hash_create(&hash_params);
if (handle != NULL)
- rte_atomic32_inc(&obj_count);
+ __atomic_fetch_add(&obj_count, 1, __ATOMIC_RELAXED);
}
/* create mutiple times simultaneously */
@@ -303,7 +302,7 @@ fbk_create_free(__rte_unused void *arg)
for (i = 0; i < MAX_ITER_ONCE; i++) {
handle = rte_fbk_hash_create(&fbk_params);
if (handle != NULL)
- rte_atomic32_inc(&obj_count);
+ __atomic_fetch_add(&obj_count, 1, __ATOMIC_RELAXED);
}
/* create mutiple fbk tables simultaneously */
@@ -365,7 +364,7 @@ lpm_create_free(__rte_unused void *arg)
for (i = 0; i < MAX_ITER_ONCE; i++) {
lpm = rte_lpm_create("fr_test_once", SOCKET_ID_ANY, &config);
if (lpm != NULL)
- rte_atomic32_inc(&obj_count);
+ __atomic_fetch_add(&obj_count, 1, __ATOMIC_RELAXED);
}
/* create mutiple fbk tables simultaneously */
@@ -427,8 +426,8 @@ launch_test(struct test_case *pt_case)
if (pt_case->func == NULL)
return -1;
- rte_atomic32_set(&obj_count, 0);
- rte_atomic32_set(&synchro, 0);
+ __atomic_store_n(&obj_count, 0, __ATOMIC_RELAXED);
+ __atomic_store_n(&synchro, 0, __ATOMIC_RELAXED);
RTE_LCORE_FOREACH_WORKER(lcore_id) {
if (cores == 1)
@@ -437,7 +436,7 @@ launch_test(struct test_case *pt_case)
rte_eal_remote_launch(pt_case->func, pt_case->arg, lcore_id);
}
- rte_atomic32_set(&synchro, 1);
+ __atomic_store_n(&synchro, 1, __ATOMIC_RELAXED);
if (pt_case->func(pt_case->arg) < 0)
ret = -1;
@@ -454,7 +453,7 @@ launch_test(struct test_case *pt_case)
pt_case->clean(lcore_id);
}
- count = rte_atomic32_read(&obj_count);
+ count = __atomic_load_n(&obj_count, __ATOMIC_RELAXED);
if (count != 1) {
printf("%s: common object allocated %d times (should be 1)\n",
pt_case->name, count);
--
2.17.1
next prev parent reply other threads:[~2021-08-02 10:20 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-02 10:18 [dpdk-dev] [PATCH v1 00/12] use compiler atomic builtins for app Joyce Kong
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 01/12] test/pmd_perf: use compiler atomic builtins for polling sync Joyce Kong
2021-11-08 22:50 ` Honnappa Nagarahalli
2021-11-10 6:10 ` Joyce Kong
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 02/12] test/ring_perf: use compiler atomic builtins for lcores sync Joyce Kong
2021-11-09 5:43 ` Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 03/12] test/timer: use compiler atomic builtins for sync Joyce Kong
2021-11-09 20:59 ` Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 04/12] test/stack_perf: use compiler atomics for lcore sync Joyce Kong
2021-11-09 21:12 ` Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 05/12] test/bpf: use compiler atomics for calculation Joyce Kong
2021-08-02 10:18 ` Joyce Kong [this message]
2021-11-09 21:54 ` [dpdk-dev] [PATCH v1 06/12] test/func_reentrancy: use compiler atomic for data sync Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 07/12] app/eventdev: use compiler atomic builtins for packets sync Joyce Kong
2021-11-10 23:19 ` Honnappa Nagarahalli
2021-11-11 7:27 ` Joyce Kong
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 08/12] app/crypto: use compiler atomic builtins for display sync Joyce Kong
2021-11-09 22:11 ` Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 09/12] app/compress: " Joyce Kong
2021-11-09 22:59 ` Honnappa Nagarahalli
2021-11-11 8:13 ` Joyce Kong
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 10/12] app/testpmd: use compiler atomic builtins for port sync Joyce Kong
2021-11-09 23:14 ` Honnappa Nagarahalli
2021-11-11 8:51 ` Joyce Kong
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 11/12] app/bbdev: use compiler atomics for thread sync Joyce Kong
2021-11-10 21:25 ` Honnappa Nagarahalli
2021-08-02 10:18 ` [dpdk-dev] [PATCH v1 12/12] app: remove unnecessary include of atomic Joyce Kong
2021-10-21 6:35 ` [dpdk-dev] [PATCH v1 00/12] use compiler atomic builtins for app Joyce Kong
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