[dpdk-dev] [PATCH v3 1/3] test/test/mempool_perf: Remove mempool global vars
santosh
santosh.shukla at caviumnetworks.com
Tue Apr 18 16:39:26 CEST 2017
Hi Olivier,
On Tuesday 18 April 2017 07:12 PM, Olivier MATZ wrote:
> Hi Santosh,
>
> On Tue, 18 Apr 2017 14:04:46 +0530, Santosh Shukla <santosh.shukla at caviumnetworks.com> wrote:
>> Cc: stable at dpdk.org
>> Signed-off-by: Santosh Shukla <santosh.shukla at caviumnetworks.com>
>> ---
>> v3:
>> - Cleanup code change as per discussion in
>> http://dpdk.org/dev/patchwork/patch/23262/
>>
>> test/test/test_mempool_perf.c | 61 ++++++++++++++++++++++---------------------
>> 1 file changed, 31 insertions(+), 30 deletions(-)
>>
>> diff --git a/test/test/test_mempool_perf.c b/test/test/test_mempool_perf.c
>> index ebf1721ac..213fcba5d 100644
>> --- a/test/test/test_mempool_perf.c
>> +++ b/test/test/test_mempool_perf.c
>> @@ -109,8 +109,6 @@
>> goto label; \
>> } while (0)
>>
>> -static struct rte_mempool *mp;
>> -static struct rte_mempool *mp_cache, *mp_nocache;
>> static int use_external_cache;
>> static unsigned external_cache_size = RTE_MEMPOOL_CACHE_MAX_SIZE;
>>
>> @@ -144,10 +142,11 @@ my_obj_init(struct rte_mempool *mp, __attribute__((unused)) void *arg,
>> }
>>
>> static int
>> -per_lcore_mempool_test(__attribute__((unused)) void *arg)
>> +per_lcore_mempool_test(void *arg)
>> {
>> void *obj_table[MAX_KEEP];
>> unsigned i, idx;
>> + struct rte_mempool *mp = (struct rte_mempool *)arg;
> as a nit: the cast is not required.
>
Will consider in v4.
>> unsigned lcore_id = rte_lcore_id();
>> int ret = 0;
>> uint64_t start_cycles, end_cycles;
>> @@ -221,7 +220,7 @@ per_lcore_mempool_test(__attribute__((unused)) void *arg)
>>
>> /* launch all the per-lcore test, and display the result */
>> static int
>> -launch_cores(unsigned cores)
>> +launch_cores(struct rte_mempool *mp, unsigned cores)
>> {
>> unsigned lcore_id;
>> uint64_t rate;
>> @@ -249,13 +248,13 @@ launch_cores(unsigned cores)
>> break;
>> cores--;
>> rte_eal_remote_launch(per_lcore_mempool_test,
>> - NULL, lcore_id);
>> + mp, lcore_id);
>> }
>>
>> /* start synchro and launch test on master */
>> rte_atomic32_set(&synchro, 1);
>>
>> - ret = per_lcore_mempool_test(NULL);
>> + ret = per_lcore_mempool_test(mp);
>>
>> cores = cores_save;
>> RTE_LCORE_FOREACH_SLAVE(lcore_id) {
>> @@ -282,7 +281,7 @@ launch_cores(unsigned cores)
>>
>> /* for a given number of core, launch all test cases */
>> static int
>> -do_one_mempool_test(unsigned cores)
>> +do_one_mempool_test(struct rte_mempool *mp, unsigned cores)
>> {
>> unsigned bulk_tab_get[] = { 1, 4, 32, 0 };
>> unsigned bulk_tab_put[] = { 1, 4, 32, 0 };
>> @@ -299,7 +298,7 @@ do_one_mempool_test(unsigned cores)
>> n_get_bulk = *get_bulk_ptr;
>> n_put_bulk = *put_bulk_ptr;
>> n_keep = *keep_ptr;
>> - ret = launch_cores(cores);
>> + ret = launch_cores(mp, cores);
>>
>> if (ret < 0)
>> return -1;
>> @@ -312,26 +311,28 @@ do_one_mempool_test(unsigned cores)
>> static int
>> test_mempool_perf(void)
>> {
>> + struct rte_mempool *mp = NULL;
>> + struct rte_mempool *mp_cache = NULL;
>> + struct rte_mempool *mp_nocache = NULL;
>> +
>> rte_atomic32_init(&synchro);
>>
>> /* create a mempool (without cache) */
>> - if (mp_nocache == NULL)
>> - mp_nocache = rte_mempool_create("perf_test_nocache", MEMPOOL_SIZE,
>> - MEMPOOL_ELT_SIZE, 0, 0,
>> - NULL, NULL,
>> - my_obj_init, NULL,
>> - SOCKET_ID_ANY, 0);
>> + mp_nocache = rte_mempool_create("perf_test_nocache", MEMPOOL_SIZE,
>> + MEMPOOL_ELT_SIZE, 0, 0,
>> + NULL, NULL,
>> + my_obj_init, NULL,
>> + SOCKET_ID_ANY, 0);
>> if (mp_nocache == NULL)
>> return -1;
>>
>> /* create a mempool (with cache) */
>> - if (mp_cache == NULL)
>> - mp_cache = rte_mempool_create("perf_test_cache", MEMPOOL_SIZE,
>> - MEMPOOL_ELT_SIZE,
>> - RTE_MEMPOOL_CACHE_MAX_SIZE, 0,
>> - NULL, NULL,
>> - my_obj_init, NULL,
>> - SOCKET_ID_ANY, 0);
>> + mp_cache = rte_mempool_create("perf_test_cache", MEMPOOL_SIZE,
>> + MEMPOOL_ELT_SIZE,
>> + RTE_MEMPOOL_CACHE_MAX_SIZE, 0,
>> + NULL, NULL,
>> + my_obj_init, NULL,
>> + SOCKET_ID_ANY, 0);
>> if (mp_cache == NULL)
>> return -1;
>>
>> @@ -339,26 +340,26 @@ test_mempool_perf(void)
>> printf("start performance test (without cache)\n");
>> mp = mp_nocache;
>>
>> - if (do_one_mempool_test(1) < 0)
>> + if (do_one_mempool_test(mp, 1) < 0)
>> return -1;
> We could even do shorter: the mp variable can probably be removed, and
> directly replaced by mp_nocache or mp_cache in function calls.
In v4.
Thanks,
Santosh
>
> Thanks,
> Olivier
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