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From: "Medvedkin, Vladimir" <vladimir.medvedkin@intel.com>
To: Dharmik Thakkar <dharmik.thakkar@arm.com>,
	Bruce Richardson <bruce.richardson@intel.com>,
	Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>,
	Ruifeng Wang <ruifeng.wang@arm.com>, Gavin Hu <gavin.hu@arm.com>
Cc: dev@dpdk.org, nd@arm.com, stable@dpdk.org
Subject: Re: [dpdk-stable] [PATCH v5 3/4] test/lpm: remove error checking in rcu qsbr perf
Date: Wed, 4 Nov 2020 19:35:18 +0000
Message-ID: <639396e2-7682-5bb4-a6ef-469673fb5e35@intel.com> (raw)
In-Reply-To: <20201104185858.18397-4-dharmik.thakkar@arm.com>



On 04/11/2020 18:58, Dharmik Thakkar wrote:
> Remove redundant error checking for reader threads
> since they never return error.
> 
> Fixes: eff30b59cc2e ("test/lpm: add RCU performance tests")
> Cc: honnappa.nagarahalli@arm.com
> Cc: stable@dpdk.org
> 
> Signed-off-by: Dharmik Thakkar <dharmik.thakkar@arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
> ---
>   app/test/test_lpm_perf.c | 21 ++++++++-------------
>   1 file changed, 8 insertions(+), 13 deletions(-)
> 
> diff --git a/app/test/test_lpm_perf.c b/app/test/test_lpm_perf.c
> index 873ecf511c97..c8e70ec89ff5 100644
> --- a/app/test/test_lpm_perf.c
> +++ b/app/test/test_lpm_perf.c
> @@ -556,11 +556,10 @@ test_lpm_rcu_perf_multi_writer(void)
>   		__atomic_load_n(&gwrite_cycles, __ATOMIC_RELAXED)
>   		/ TOTAL_WRITES);
>   
> -	/* Wait and check return value from reader threads */
>   	writer_done = 1;
> +	/* Wait until all readers have exited */
>   	for (i = 2; i < num_cores; i++)
> -		if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
> -			goto error;
> +		rte_eal_wait_lcore(enabled_core_ids[i]);
>   
>   	rte_lpm_free(lpm);
>   	rte_free(rv);
> @@ -605,10 +604,9 @@ test_lpm_rcu_perf_multi_writer(void)
>   		/ TOTAL_WRITES);
>   
>   	writer_done = 1;
> -	/* Wait and check return value from reader threads */
> +	/* Wait until all readers have exited */
>   	for (i = 2; i < num_cores; i++)
> -		if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
> -			goto error;
> +		rte_eal_wait_lcore(enabled_core_ids[i]);
>   
>   	rte_lpm_free(lpm);
>   
> @@ -712,10 +710,9 @@ test_lpm_rcu_perf(void)
>   		(double)total_cycles / TOTAL_WRITES);
>   
>   	writer_done = 1;
> -	/* Wait and check return value from reader threads */
> +	/* Wait until all readers have exited */
>   	for (i = 0; i < num_cores; i++)
> -		if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
> -			goto error;
> +		rte_eal_wait_lcore(enabled_core_ids[i]);
>   
>   	rte_lpm_free(lpm);
>   	rte_free(rv);
> @@ -771,11 +768,9 @@ test_lpm_rcu_perf(void)
>   		(double)total_cycles / TOTAL_WRITES);
>   
>   	writer_done = 1;
> -	/* Wait and check return value from reader threads */
> +	/* Wait until all readers have exited */
>   	for (i = 0; i < num_cores; i++)
> -		if (rte_eal_wait_lcore(enabled_core_ids[i]) < 0)
> -			printf("Warning: lcore %u not finished.\n",
> -				enabled_core_ids[i]);
> +		rte_eal_wait_lcore(enabled_core_ids[i]);
>   
>   	rte_lpm_free(lpm);
>   
> 

Acked-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>

-- 
Regards,
Vladimir

      reply	other threads:[~2020-11-04 19:35 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-29 15:36 [dpdk-stable] [PATCH 1/4] test/lpm: fix cycle calculation " Dharmik Thakkar
2020-10-29 15:36 ` [dpdk-stable] [PATCH 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-10-29 15:36 ` [dpdk-stable] [PATCH 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-02 10:08 ` [dpdk-stable] [dpdk-dev] [PATCH 1/4] test/lpm: fix cycle calculation " David Marchand
2020-11-02 15:11 ` [dpdk-stable] " Bruce Richardson
2020-11-02 16:58   ` Dharmik Thakkar
2020-11-02 17:21     ` Medvedkin, Vladimir
2020-11-02 17:33     ` Bruce Richardson
     [not found] ` <20201102235203.6342-1-dharmik.thakkar@arm.com>
2020-11-02 23:52   ` [dpdk-stable] [PATCH v2 " Dharmik Thakkar
2020-11-03  1:30     ` Honnappa Nagarahalli
2020-11-02 23:52   ` [dpdk-stable] [PATCH v2 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-03  1:28     ` Honnappa Nagarahalli
2020-11-03  4:42       ` Dharmik Thakkar
2020-11-02 23:52   ` [dpdk-stable] [PATCH v2 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-03  1:21     ` Honnappa Nagarahalli
2020-11-03  4:56       ` Dharmik Thakkar
     [not found]   ` <20201103051224.12620-1-dharmik.thakkar@arm.com>
2020-11-03  5:12     ` [dpdk-stable] [PATCH v3 1/4] test/lpm: fix cycle calculation " Dharmik Thakkar
2020-11-03  5:12     ` [dpdk-stable] [PATCH v3 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-03  5:21       ` Honnappa Nagarahalli
2020-11-03  5:12     ` [dpdk-stable] [PATCH v3 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-03  5:22       ` Honnappa Nagarahalli
     [not found]     ` <20201103222352.11566-1-dharmik.thakkar@arm.com>
2020-11-03 22:23       ` [dpdk-stable] [PATCH v4 1/4] test/lpm: fix cycle calculation " Dharmik Thakkar
2020-11-03 22:23       ` [dpdk-stable] [PATCH v4 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-03 22:23       ` [dpdk-stable] [PATCH v4 3/4] test/lpm: remove error checking " Dharmik Thakkar
     [not found]       ` <20201104185858.18397-1-dharmik.thakkar@arm.com>
2020-11-04 18:58         ` [dpdk-stable] [PATCH v5 1/4] test/lpm: fix cycle calculation " Dharmik Thakkar
2020-11-04 19:34           ` Medvedkin, Vladimir
2020-11-04 18:58         ` [dpdk-stable] [PATCH v5 2/4] test/lpm: return error on failure " Dharmik Thakkar
2020-11-04 19:35           ` Medvedkin, Vladimir
2020-11-04 18:58         ` [dpdk-stable] [PATCH v5 3/4] test/lpm: remove error checking " Dharmik Thakkar
2020-11-04 19:35           ` Medvedkin, Vladimir [this message]

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