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From: Akhil Goyal <gakhil@marvell.com>
To: Gagandeep Singh <g.singh@nxp.com>, "dev@dpdk.org" <dev@dpdk.org>,
	"hemant.agrawal@nxp.com" <hemant.agrawal@nxp.com>
Cc: Anoob Joseph <anoobj@marvell.com>
Subject: RE: [EXT] [PATCH 1/8] app/test-crypto-perf: improve dequeue logic
Date: Fri, 13 May 2022 09:46:48 +0000
Message-ID: <CO6PR18MB448453E54D00126E9C6B0E1ED8CA9@CO6PR18MB4484.namprd18.prod.outlook.com> (raw)
In-Reply-To: <20220425041423.2232034-1-g.singh@nxp.com>

Hi Gagan,
> Issue more dequeue commands if the gap between enqueued
> and dequeued packets is more than burst size *8
> 
> Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
> ---
Why is this change required? What gain are we getting?
I see a performance drop due to this patch.

>  app/test-crypto-perf/cperf_test_throughput.c | 42 +++++++++++---------
>  1 file changed, 23 insertions(+), 19 deletions(-)
> 
> diff --git a/app/test-crypto-perf/cperf_test_throughput.c b/app/test-crypto-
> perf/cperf_test_throughput.c
> index cecf30e470..5cd8919c91 100644
> --- a/app/test-crypto-perf/cperf_test_throughput.c
> +++ b/app/test-crypto-perf/cperf_test_throughput.c
> @@ -223,26 +223,30 @@ cperf_throughput_test_runner(void *test_ctx)
>  			ops_unused = burst_size - ops_enqd;
>  			ops_enqd_total += ops_enqd;
> 
> -
>  			/* Dequeue processed burst of ops from crypto device
> */
> -			ops_deqd = rte_cryptodev_dequeue_burst(ctx->dev_id,
> ctx->qp_id,
> -					ops_processed, test_burst_size);
> -
> -			if (likely(ops_deqd))  {
> -				/* Free crypto ops so they can be reused. */
> -				rte_mempool_put_bulk(ctx->pool,
> -						(void **)ops_processed,
> ops_deqd);
> -
> -				ops_deqd_total += ops_deqd;
> -			} else {
> -				/**
> -				 * Count dequeue polls which didn't return any
> -				 * processed operations. This statistic is mainly
> -				 * relevant to hw accelerators.
> -				 */
> -				ops_deqd_failed++;
> -			}
> -
> +			do {
> +				ops_deqd = rte_cryptodev_dequeue_burst(
> +						ctx->dev_id, ctx->qp_id,
> +						ops_processed,
> test_burst_size);
> +
> +				if (likely(ops_deqd))  {
> +					/* Free crypto ops for reuse */
> +					rte_mempool_put_bulk(ctx->pool,
> +							(void
> **)ops_processed,
> +							ops_deqd);
> +
> +					ops_deqd_total += ops_deqd;
> +				} else {
> +					/**
> +					 * Count dequeue polls which didn't
> +					 * return any processed operations.
> +					 * This statistic is mainly relevant
> +					 * to hw accelerators.
> +					 */
> +					ops_deqd_failed++;
> +				}
> +			} while (ops_enqd_total - ops_deqd_total >
> +					test_burst_size * 8);
>  		}
> 
>  		/* Dequeue any operations still in the crypto device */
> --
> 2.25.1


  parent reply	other threads:[~2022-05-13  9:46 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-25  4:14 Gagandeep Singh
2022-04-25  4:14 ` [PATCH 2/8] app/test-crypto-perf: support SDAP for PDCP operations Gagandeep Singh
2022-05-13  9:49   ` [EXT] " Akhil Goyal
2022-04-25  4:14 ` [PATCH 3/8] examples/ipsec-secgw: support XCBC-MAC/DES-CBC Gagandeep Singh
2022-05-13  9:54   ` [EXT] " Akhil Goyal
2022-05-16  9:45     ` Gagandeep Singh
2022-04-25  4:14 ` [PATCH 4/8] examples/l2fwd-crypto: add signal handler for exit Gagandeep Singh
2022-04-25  4:14 ` [PATCH 5/8] test/crypto: fix pmd name for dpaa raw buffer crypto driver Gagandeep Singh
2022-04-25  4:14 ` [PATCH 6/8] test/crypto: support raw buffer APIs for PDCP Gagandeep Singh
2022-04-25  4:14 ` [PATCH 7/8] test/crypto: add external buffer test case Gagandeep Singh
2022-05-13 10:26   ` [EXT] " Akhil Goyal
2022-05-16  7:25     ` Gagandeep Singh
2022-04-25  4:14 ` [PATCH 8/8] test/crypto: add short MAC-I test vector for zuc Gagandeep Singh
2022-05-13 10:46   ` [EXT] " Akhil Goyal
2022-05-16  7:27     ` Gagandeep Singh
2022-05-13  9:46 ` Akhil Goyal [this message]
2022-05-16  7:14   ` [EXT] [PATCH 1/8] app/test-crypto-perf: improve dequeue logic Gagandeep Singh
2022-05-16  7:26     ` Anoob Joseph
2022-05-16  7:54       ` Gagandeep Singh
2022-05-17  3:38 ` [PATCH v2 0/7] Crypto related changes in sample/test apps Gagandeep Singh
2022-05-17  3:38   ` [PATCH v2 1/7] app/test-crypto-perf: support SDAP for PDCP operations Gagandeep Singh
2022-05-20  4:20     ` [PATCH v3 0/7] Crypto related changes in sample/test apps Gagandeep Singh
2022-05-20  4:20       ` [PATCH v3 1/7] app/test-crypto-perf: support SDAP for PDCP operations Gagandeep Singh
2022-05-26 13:52         ` [EXT] " Akhil Goyal
2022-05-30  4:31           ` Gagandeep Singh
2022-05-30  6:04             ` Akhil Goyal
2022-05-31 18:14               ` Akhil Goyal
2022-06-06  4:00         ` [PATCH v4] " Gagandeep Singh
2022-06-15 16:06           ` [EXT] " Akhil Goyal
2022-05-20  4:20       ` [PATCH v3 2/7] examples/ipsec-secgw: support XCBC-MAC/DES-CBC Gagandeep Singh
2022-05-26 13:54         ` [EXT] " Akhil Goyal
2022-05-20  4:21       ` [PATCH v3 3/7] examples/l2fwd-crypto: add signal handler for exit Gagandeep Singh
2022-05-26 13:55         ` [EXT] " Akhil Goyal
2022-05-20  4:21       ` [PATCH v3 4/7] test/crypto: fix PMD name for dpaa raw buffer crypto driver Gagandeep Singh
2022-05-26 13:56         ` [EXT] " Akhil Goyal
2022-05-20  4:21       ` [PATCH v3 5/7] test/crypto: support raw buffer APIs for PDCP Gagandeep Singh
2022-05-26 13:58         ` [EXT] " Akhil Goyal
2022-05-20  4:21       ` [PATCH v3 6/7] test/crypto: add short MAC-I test vector for zuc Gagandeep Singh
2022-05-26 13:59         ` [EXT] " Akhil Goyal
2022-05-20  4:21       ` [PATCH v3 7/7] doc: add missing authentication algorithm Gagandeep Singh
2022-05-26 14:00         ` [EXT] " Akhil Goyal
2022-05-17  3:38   ` [PATCH v2 2/7] examples/ipsec-secgw: support XCBC-MAC/DES-CBC Gagandeep Singh
2022-05-17  3:38   ` [PATCH v2 3/7] examples/l2fwd-crypto: add signal handler for exit Gagandeep Singh
2022-05-17 16:32     ` Stephen Hemminger
2022-05-18  4:23       ` Gagandeep Singh
2022-05-17  3:38   ` [PATCH v2 4/7] test/crypto: fix PMD name for dpaa raw buffer crypto driver Gagandeep Singh
2022-05-17  3:38   ` [PATCH v2 5/7] test/crypto: support raw buffer APIs for PDCP Gagandeep Singh
2022-05-17  3:38   ` [PATCH v2 6/7] test/crypto: add short MAC-I test vector for zuc Gagandeep Singh
2022-05-17  3:38   ` [PATCH v2 7/7] doc: add missing authentication algorithm Gagandeep Singh

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