From: Thomas Monjalon <thomas@monjalon.net>
To: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>
Cc: dev@dpdk.org, Ferruh Yigit <ferruh.yigit@intel.com>,
Jerin Jacob Kollanukkaran <jerinj@marvell.com>,
"arybchenko@solarflare.com" <arybchenko@solarflare.com>,
"bernard.iremonger@intel.com" <bernard.iremonger@intel.com>,
Shahaf Shuler <shahafs@mellanox.com>
Subject: Re: [dpdk-dev] [PATCH v5 1/2] app/testpmd: optimize testpmd txonly mode
Date: Mon, 01 Apr 2019 22:53:36 +0200 [thread overview]
Message-ID: <1732867.UvzobiCdsi@xps> (raw)
In-Reply-To: <4ceb7729-22be-69e5-6636-a8a8d9397a4f@intel.com>
01/04/2019 22:25, Ferruh Yigit:
> On 3/31/2019 2:14 PM, Pavan Nikhilesh Bhagavatula wrote:
> > From: Pavan Nikhilesh <pbhagavatula@marvell.com>
> >
> > Optimize testpmd txonly mode by
> > 1. Moving per packet ethernet header copy above the loop.
> > 2. Use bulk ops for allocating segments instead of having a inner loop
> > for every segment.
> >
> > Also, move the packet prepare logic into a separate function so that it
> > can be reused later.
> >
> > Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
> > ---
> > v5 Changes
> > - Remove unnecessary change to struct rte_port *txp (movement). (Bernard)
> >
> > v4 Changes:
> > - Fix packet len calculation.
> >
> > v3 Changes:
> > - Split the patches for easier review. (Thomas)
> > - Remove unnecessary assignments to 0. (Bernard)
> >
> > v2 Changes:
> > - Use bulk ops for fetching segments. (Andrew Rybchenko)
> > - Fallback to rte_mbuf_raw_alloc if bulk get fails. (Andrew Rybchenko)
> > - Fix mbufs not being freed when there is no more mbufs available for
> > segments. (Andrew Rybchenko)
>
> Hi Thomas, Shahafs,
>
> I guess there was a performance issue on Mellanox with this patch, I assume it
> is still valid, since this version only has some cosmetic change, but can you
> please confirm?
We will check it.
> And what is the next step, can you guys provide some info to Pavan to solve the
> issue, or perhaps even better a fix?
Looking at the first patch, there are still 3 changes merged together.
Why not splitting even more?
next prev parent reply other threads:[~2019-04-01 20:53 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-28 19:42 [dpdk-dev] [PATCH] app/testpmd: use mempool bulk get for " Pavan Nikhilesh Bhagavatula
2019-03-01 7:38 ` Andrew Rybchenko
2019-03-01 8:45 ` [dpdk-dev] [EXT] " Pavan Nikhilesh Bhagavatula
2019-03-01 13:47 ` [dpdk-dev] [PATCH v2] app/testpmd: add " Pavan Nikhilesh Bhagavatula
2019-03-19 16:48 ` Ferruh Yigit
2019-03-19 16:48 ` Ferruh Yigit
2019-03-20 4:53 ` Pavan Nikhilesh Bhagavatula
2019-03-20 4:53 ` Pavan Nikhilesh Bhagavatula
2019-03-26 8:43 ` Ferruh Yigit
2019-03-26 8:43 ` Ferruh Yigit
2019-03-26 11:00 ` Thomas Monjalon
2019-03-26 11:00 ` Thomas Monjalon
2019-03-26 11:50 ` Iremonger, Bernard
2019-03-26 11:50 ` Iremonger, Bernard
2019-03-26 12:06 ` Pavan Nikhilesh Bhagavatula
2019-03-26 12:06 ` Pavan Nikhilesh Bhagavatula
2019-03-26 13:16 ` Jerin Jacob Kollanukkaran
2019-03-26 13:16 ` Jerin Jacob Kollanukkaran
2019-03-26 12:26 ` [dpdk-dev] [PATCH v3 1/2] app/testpmd: optimize testpmd " Pavan Nikhilesh Bhagavatula
2019-03-26 12:26 ` Pavan Nikhilesh Bhagavatula
2019-03-26 12:27 ` [dpdk-dev] [PATCH v3 2/2] app/testpmd: add mempool bulk get for " Pavan Nikhilesh Bhagavatula
2019-03-26 12:27 ` Pavan Nikhilesh Bhagavatula
2019-03-26 13:03 ` [dpdk-dev] [PATCH v4 1/2] app/testpmd: optimize testpmd " Pavan Nikhilesh Bhagavatula
2019-03-26 13:03 ` Pavan Nikhilesh Bhagavatula
2019-03-26 13:03 ` [dpdk-dev] [PATCH v4 2/2] app/testpmd: add mempool bulk get for " Pavan Nikhilesh Bhagavatula
2019-03-26 13:03 ` Pavan Nikhilesh Bhagavatula
2019-03-26 16:13 ` [dpdk-dev] [PATCH v4 1/2] app/testpmd: optimize testpmd " Iremonger, Bernard
2019-03-26 16:13 ` Iremonger, Bernard
2019-03-31 13:14 ` [dpdk-dev] [PATCH v5 " Pavan Nikhilesh Bhagavatula
2019-03-31 13:14 ` Pavan Nikhilesh Bhagavatula
2019-03-31 13:14 ` [dpdk-dev] [PATCH v5 2/2] app/testpmd: add mempool bulk get for " Pavan Nikhilesh Bhagavatula
2019-03-31 13:14 ` Pavan Nikhilesh Bhagavatula
2019-04-01 20:25 ` [dpdk-dev] [PATCH v5 1/2] app/testpmd: optimize testpmd " Ferruh Yigit
2019-04-01 20:25 ` Ferruh Yigit
2019-04-01 20:53 ` Thomas Monjalon [this message]
2019-04-01 20:53 ` Thomas Monjalon
2019-04-02 1:03 ` Jerin Jacob Kollanukkaran
2019-04-02 1:03 ` Jerin Jacob Kollanukkaran
2019-04-02 7:06 ` Thomas Monjalon
2019-04-02 7:06 ` Thomas Monjalon
2019-04-02 8:31 ` Jerin Jacob Kollanukkaran
2019-04-02 8:31 ` Jerin Jacob Kollanukkaran
2019-04-02 9:03 ` Ali Alnubani
2019-04-02 9:03 ` Ali Alnubani
2019-04-02 9:06 ` Pavan Nikhilesh Bhagavatula
2019-04-02 9:06 ` Pavan Nikhilesh Bhagavatula
2019-04-02 9:53 ` [dpdk-dev] [PATCH v6 1/4] app/testpmd: move eth header generation outside the loop Pavan Nikhilesh Bhagavatula
2019-04-02 9:53 ` Pavan Nikhilesh Bhagavatula
2019-04-02 9:53 ` [dpdk-dev] [PATCH v6 2/4] app/testpmd: use bulk ops for allocating segments Pavan Nikhilesh Bhagavatula
2019-04-02 9:53 ` Pavan Nikhilesh Bhagavatula
2019-04-02 9:53 ` [dpdk-dev] [PATCH v6 3/4] app/testpmd: move pkt prepare logic into a separate function Pavan Nikhilesh Bhagavatula
2019-04-02 9:53 ` Pavan Nikhilesh Bhagavatula
2019-04-09 9:28 ` Lin, Xueqin
2019-04-09 9:28 ` Lin, Xueqin
2019-04-09 9:32 ` Pavan Nikhilesh Bhagavatula
2019-04-09 9:32 ` Pavan Nikhilesh Bhagavatula
2019-04-09 12:24 ` Yao, Lei A
2019-04-09 12:24 ` Yao, Lei A
2019-04-09 12:29 ` Ferruh Yigit
2019-04-09 12:29 ` Ferruh Yigit
2019-04-02 9:53 ` [dpdk-dev] [PATCH v6 4/4] app/testpmd: add mempool bulk get for txonly mode Pavan Nikhilesh Bhagavatula
2019-04-02 9:53 ` Pavan Nikhilesh Bhagavatula
2019-04-02 15:21 ` [dpdk-dev] [PATCH v6 1/4] app/testpmd: move eth header generation outside the loop Raslan Darawsheh
2019-04-02 15:21 ` Raslan Darawsheh
2019-04-04 16:23 ` Ferruh Yigit
2019-04-04 16:23 ` Ferruh Yigit
2019-04-05 17:37 ` Ferruh Yigit
2019-04-05 17:37 ` Ferruh Yigit
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