From: Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>
To: Dharmik Thakkar <Dharmik.Thakkar@arm.com>,
Bruce Richardson <bruce.richardson@intel.com>,
Vladimir Medvedkin <vladimir.medvedkin@intel.com>,
Gavin Hu <Gavin.Hu@arm.com>, Ruifeng Wang <Ruifeng.Wang@arm.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, nd <nd@arm.com>,
Dharmik Thakkar <Dharmik.Thakkar@arm.com>,
"stable@dpdk.org" <stable@dpdk.org>,
Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
nd <nd@arm.com>
Subject: Re: [dpdk-stable] [PATCH v3 3/4] test/lpm: remove error checking in rcu qsbr perf
Date: Tue, 3 Nov 2020 05:22:24 +0000 [thread overview]
Message-ID: <DBAPR08MB5814B57564FBBD7609848EE698110@DBAPR08MB5814.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20201103051224.12620-4-dharmik.thakkar@arm.com>
> -----Original Message-----
> From: Dharmik Thakkar <dharmik.thakkar@arm.com>
> Sent: Monday, November 2, 2020 11:12 PM
> To: Bruce Richardson <bruce.richardson@intel.com>; Vladimir Medvedkin
> <vladimir.medvedkin@intel.com>; Gavin Hu <Gavin.Hu@arm.com>;
> Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>; Ruifeng Wang
> <Ruifeng.Wang@arm.com>
> Cc: dev@dpdk.org; nd <nd@arm.com>; Dharmik Thakkar
> <Dharmik.Thakkar@arm.com>; stable@dpdk.org
> Subject: [PATCH v3 3/4] test/lpm: remove error checking in rcu qsbr perf
>
> 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>
Looks good
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
> fc4c9b60cbbc..fa6ebc4f7547 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);
>
> --
> 2.17.1
next prev parent reply other threads:[~2020-11-03 5:22 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 [this message]
[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
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