From: Olivier Matz <olivier.matz@6wind.com>
To: Feifei Wang <feifei.wang2@arm.com>
Cc: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>,
Konstantin Ananyev <konstantin.ananyev@intel.com>,
Ruifeng Wang <ruifeng.wang@arm.com>,
Ola Liljedahl <ola.liljedahl@arm.com>,
Dharmik Thakkar <dharmik.thakkar@arm.com>,
dev@dpdk.org, nd@arm.com, stable@dpdk.org
Subject: Re: [dpdk-stable] [PATCH] test/ring_perf: fix error statistics in bulk enq/dequeue
Date: Mon, 13 Jul 2020 17:22:56 +0200 [thread overview]
Message-ID: <20200713152256.GS5869@platinum> (raw)
In-Reply-To: <20200608054938.46599-1-feifei.wang2@arm.com>
On Mon, Jun 08, 2020 at 01:49:38PM +0800, Feifei Wang wrote:
> In size 32 bulk ring enq/dequeue performance test, the "Total count"
> statistics is incorrect. For example, running the test on lcore 25 and
> lcore 26, the output is as follows:
>
> The test command:
> $sudo ./arm64-armv8a-linuxapp-gcc/app/test -l 25-26
> RTE>>ring_perf_autotest
>
> Bulk enq/dequeue count on size 32
> Core [25] count = 288268
> Core [26] count = 288281
> Total count (size: 32): 1066323
>
> Fixed it by reset the counter at the beginning of each loop. The
> revised output is as follows:
>
> Bulk enq/dequeue count on size 32
> Core [25] count = 285643
> Core [26] count = 285688
> Total count (size: 32): 571331
>
> Fixes: 759cf9b5632c ("test/ring: enhance mp/mc coverage")
> Cc: stable@dpdk.org
>
> Signed-off-by: Feifei Wang <feifei.wang2@arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> Reviewed-by: Phil Yang <phil.yang@arm.com>
Reviewed-by: Olivier Matz <olivier.matz@6wind.com>
next prev parent reply other threads:[~2020-07-13 15:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-08 5:49 Feifei Wang
2020-07-13 15:22 ` Olivier Matz [this message]
2020-06-08 5:58 Feifei Wang
2020-06-09 11:25 ` Ananyev, Konstantin
2020-07-01 8:42 ` David Marchand
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200713152256.GS5869@platinum \
--to=olivier.matz@6wind.com \
--cc=dev@dpdk.org \
--cc=dharmik.thakkar@arm.com \
--cc=feifei.wang2@arm.com \
--cc=honnappa.nagarahalli@arm.com \
--cc=konstantin.ananyev@intel.com \
--cc=nd@arm.com \
--cc=ola.liljedahl@arm.com \
--cc=ruifeng.wang@arm.com \
--cc=stable@dpdk.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).