From: Thomas Monjalon <thomas@monjalon.net>
To: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
Hanumanth Reddy Pothula <hpothula@marvell.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
Aman Singh <aman.deep.singh@intel.com>,
Yuying Zhang <yuying.zhang@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>,
Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
Nithin Kumar Dabilpuram <ndabilpuram@marvell.com>,
"rasland@nvidia.com" <rasland@nvidia.com>,
"orika@nvidia.com" <orika@nvidia.com>,
"viacheslavo@nvidia.com" <viacheslavo@nvidia.com>
Subject: Re: [EXT] Re: [PATCH v3 1/1] app/testpmd: control passing Rx metadata to PMD
Date: Fri, 02 Dec 2022 20:41:15 +0100 [thread overview]
Message-ID: <8148001.T7Z3S40VBb@thomas> (raw)
In-Reply-To: <PH0PR18MB47509BDA3C890F540060AA74CB179@PH0PR18MB4750.namprd18.prod.outlook.com>
02/12/2022 17:14, Hanumanth Reddy Pothula:
> -----Original Message-----
> > 27/10/2022 09:34, Thomas Monjalon:
> > > 17/10/2022 10:32, Andrew Rybchenko:
> > > > On 10/6/22 21:35, Hanumanth Pothula wrote:
> > > > > Presently, Rx metadata is sent to PMD by default, leading to a
> > > > > performance drop as processing for the same in rx path takes extra
> > > > > cycles.
> > > > >
> > > > > Hence, introducing command line argument, 'nic-to-pmd-rx-metadata'
> > > > > to control passing rx metadata to PMD. By default it’s disabled.
> > > > >
> > > > > Signed-off-by: Hanumanth Pothula <hpothula@marvell.com>
> > > >
> > > > Acked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
> > > >
> > > > Applied to dpdk-next-net/main, thanks.
> > >
> > > I'm not sure this patch is really acceptable.
> > > It is disabling Rx metadata by default just for benchmarking reason
> > > because your driver is doing some processing even if metadata is not
> > required.
> > >
> > > From a user perspective, if a command requesting metadata is entered,
> > > it won't work until we enable this new option on startup.
> > > It looks terrible.
> > >
> > > Please tell me I misunderstood something.
> >
> > While pulling, I see that the name is not compliant with others.
> > I think it should start with "enable-", use hyphens and be sorted.
> >
> > I'll drop it from the pull for now, we can have it in -rc3.
> >
>
> @Thomas Monjalon I missed your comment, sorry for the delayed response.
>
> Sending Rx metadata to PMD is added recently, which breaking our driver performance.
> Normally any feature added to testpmd will be disabled by default, to make sure it won't affect other code(PMD).
> Hence adding new testpmd command line argument to disable this feature by default.
No, disabling by default doesn't mean you should enable with option.
It should be enabled if required by a command.
next prev parent reply other threads:[~2022-12-02 19:41 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-01 4:41 [PATCH] app/testpmd: add command line argument 'rx-metadata' Hanumanth Pothula
2022-08-01 13:11 ` Hanumanth Pothula
2022-08-01 13:13 ` Hanumanth Pothula
2022-08-01 19:41 ` Ivan Malov
2022-08-02 16:45 ` [PATCH] app/testpmd: add command line argument 'nic-to-pmd-rx-metadata' Hanumanth Pothula
2022-08-02 16:45 ` [PATCH v2 1/2] version: 22.11-rc0 Hanumanth Pothula
2022-08-02 16:45 ` [PATCH v2 2/2] app/testpmd: add command line argument 'nic-to-pmd-rx-metadata' Hanumanth Pothula
2022-08-02 17:51 ` [PATCH v2 1/1] " Hanumanth Pothula
2022-08-30 12:36 ` Hanumanth Reddy Pothula
2022-09-01 8:03 ` Singh, Aman Deep
2022-10-04 14:48 ` Andrew Rybchenko
2022-10-06 18:35 ` [PATCH v3 1/1] app/testpmd: control passing Rx metadata to PMD Hanumanth Pothula
2022-10-17 8:32 ` Andrew Rybchenko
2022-10-27 7:34 ` Thomas Monjalon
2022-10-27 12:54 ` Thomas Monjalon
2022-12-02 16:14 ` [EXT] " Hanumanth Reddy Pothula
2022-12-02 19:41 ` Thomas Monjalon [this message]
2022-12-05 7:59 ` Hanumanth Reddy Pothula
2022-12-05 8:28 ` Thomas Monjalon
2022-12-05 9:43 ` Slava Ovsiienko
2022-12-20 20:02 ` [PATCH v4 1/2] ethdev: control Rx metadata negotiation Hanumanth Pothula
2022-12-20 20:02 ` [PATCH v4 2/2] app/testpmd: add command to process " Hanumanth Pothula
2022-12-20 21:23 ` Stephen Hemminger
2022-12-21 2:07 ` [PATCH v5 1/2] ethdev: fix ethdev configuration state on reset Hanumanth Pothula
2022-12-21 2:07 ` [PATCH v5 2/2] app/testpmd: add command to process Rx metadata negotiation Hanumanth Pothula
2023-01-18 10:32 ` Thomas Monjalon
2023-01-19 10:33 ` [EXT] " Hanumanth Reddy Pothula
2023-01-25 12:51 ` Thomas Monjalon
2023-01-24 18:04 ` Ferruh Yigit
2023-01-25 9:30 ` [EXT] " Hanumanth Reddy Pothula
2023-01-25 12:55 ` Thomas Monjalon
2023-01-25 13:55 ` Ferruh Yigit
2023-01-25 13:59 ` Thomas Monjalon
2023-01-25 14:42 ` Nithin Kumar Dabilpuram
2023-01-26 11:03 ` Thomas Monjalon
2023-01-27 5:02 ` Nithin Kumar Dabilpuram
2023-01-27 8:54 ` Thomas Monjalon
2023-01-27 10:42 ` Nithin Kumar Dabilpuram
2023-01-27 15:01 ` Thomas Monjalon
2023-01-31 16:17 ` Jerin Jacob
2023-01-31 23:03 ` Thomas Monjalon
2023-02-01 6:10 ` Ivan Malov
2023-02-01 7:16 ` Andrew Rybchenko
2023-02-01 8:53 ` Jerin Jacob
2023-02-01 9:00 ` Ori Kam
2023-02-01 9:05 ` Thomas Monjalon
2023-02-01 9:07 ` Andrew Rybchenko
2023-02-01 9:14 ` Jerin Jacob
2023-02-01 9:29 ` Andrew Rybchenko
2023-02-01 10:48 ` Jerin Jacob
2023-02-01 10:58 ` Andrew Rybchenko
2023-02-01 11:04 ` Thomas Monjalon
2023-02-01 11:15 ` Jerin Jacob
2023-02-01 11:35 ` Ferruh Yigit
2023-02-01 13:48 ` Jerin Jacob
2023-02-01 14:50 ` Ferruh Yigit
2023-02-01 15:22 ` Jerin Jacob
2023-02-02 8:43 ` Ferruh Yigit
2023-02-02 8:50 ` Ivan Malov
2023-02-02 9:17 ` Ferruh Yigit
2023-02-02 10:41 ` Ivan Malov
2023-02-02 10:48 ` Ivan Malov
2023-02-02 11:41 ` Thomas Monjalon
2023-02-02 11:55 ` Ivan Malov
2023-02-02 12:03 ` Thomas Monjalon
2023-02-02 12:21 ` Andrew Rybchenko
2023-02-01 11:20 ` Ivan Malov
2023-01-25 13:17 ` Ferruh Yigit
2023-01-25 13:21 ` Ferruh Yigit
2023-01-25 13:21 ` Ferruh Yigit
2023-01-16 10:43 ` [PATCH v5 1/2] ethdev: fix ethdev configuration state on reset Hanumanth Reddy Pothula
2023-01-18 10:29 ` Thomas Monjalon
2023-01-24 18:14 ` Ferruh Yigit
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