linux-amlogic.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: Simon Huelck <simonmail@gmx.de>
To: Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	Jose Abreu <jose.abreu@synopsys.com>
Cc: linux-amlogic@lists.infradead.org, netdev@vger.kernel.org,
	alexandre.torgue@st.com,
	Emiliano Ingrassia <ingrassia@epigenesys.com>,
	Gpeppe.cavallaro@st.com
Subject: Re: stmmac / meson8b-dwmac
Date: Sun, 17 Feb 2019 20:13:23 +0100	[thread overview]
Message-ID: <b700590a-76ce-d836-c31d-4b220874e238@gmx.de> (raw)
In-Reply-To: <CAFBinCAJwk5Go4ZEt2cqVKyfeeOxsa-+3pfLpzQo=XNr5u4Shw@mail.gmail.com>

Hi Martin,


i repeated your commands , nothing changed the problematic result ....


regards,
Simon

Am 17.02.2019 um 15:48 schrieb Martin Blumenstingl:
> Hello Jose,
>
> On Mon, Feb 11, 2019 at 2:45 PM Jose Abreu <jose.abreu@synopsys.com> wrote:
>> Hello,
>>
>> On 2/9/2019 1:09 AM, Martin Blumenstingl wrote:
>>> (it's interesting that the sending direction has 445 retries)
>> I saw this before and I think it was related with COE. Can you
>> please disable all offloading and try again?
> OK, details are:
>
> (before doing anything)
> # ethtool -k eth0
> Features for eth0:
> rx-checksumming: on
> tx-checksumming: on
>        tx-checksum-ipv4: on
>        tx-checksum-ip-generic: off [fixed]
>        tx-checksum-ipv6: on
>        tx-checksum-fcoe-crc: off [fixed]
>        tx-checksum-sctp: off [fixed]
> scatter-gather: on
>        tx-scatter-gather: on
>        tx-scatter-gather-fraglist: off [fixed]
> tcp-segmentation-offload: off
>        tx-tcp-segmentation: off [fixed]
>        tx-tcp-ecn-segmentation: off [fixed]
>        tx-tcp-mangleid-segmentation: off [fixed]
>        tx-tcp6-segmentation: off [fixed]
> udp-fragmentation-offload: off
> generic-segmentation-offload: on
> generic-receive-offload: on
> large-receive-offload: off [fixed]
> rx-vlan-offload: off [fixed]
> tx-vlan-offload: off [fixed]
> ntuple-filters: off [fixed]
> receive-hashing: off [fixed]
> highdma: on [fixed]
> rx-vlan-filter: off [fixed]
> vlan-challenged: off [fixed]
> tx-lockless: off [fixed]
> netns-local: off [fixed]
> tx-gso-robust: off [fixed]
> tx-fcoe-segmentation: off [fixed]
> tx-gre-segmentation: off [fixed]
> tx-gre-csum-segmentation: off [fixed]
> tx-ipxip4-segmentation: off [fixed]
> tx-ipxip6-segmentation: off [fixed]
> tx-udp_tnl-segmentation: off [fixed]
> tx-udp_tnl-csum-segmentation: off [fixed]
> tx-gso-partial: off [fixed]
> tx-sctp-segmentation: off [fixed]
> tx-esp-segmentation: off [fixed]
> tx-udp-segmentation: off [fixed]
> fcoe-mtu: off [fixed]
> tx-nocache-copy: off
> loopback: off [fixed]
> rx-fcs: off [fixed]
> rx-all: off [fixed]
> tx-vlan-stag-hw-insert: off [fixed]
> rx-vlan-stag-hw-parse: off [fixed]
> rx-vlan-stag-filter: off [fixed]
> l2-fwd-offload: off [fixed]
> hw-tc-offload: off [fixed]
> esp-hw-offload: off [fixed]
> esp-tx-csum-hw-offload: off [fixed]
> rx-udp_tunnel-port-offload: off [fixed]
> tls-hw-tx-offload: off [fixed]
> tls-hw-rx-offload: off [fixed]
> rx-gro-hw: off [fixed]
> tls-hw-record: off [fixed]
>
> this causes retries when running iperf3 in transmit mode.
>
> with offloading disabled:
>
> # ethtool -K eth0 rx off tx off
> # ethtool -k eth0
> Features for eth0:
> rx-checksumming: off
> tx-checksumming: off
>        tx-checksum-ipv4: off
>        tx-checksum-ip-generic: off [fixed]
>        tx-checksum-ipv6: off
>        tx-checksum-fcoe-crc: off [fixed]
>        tx-checksum-sctp: off [fixed]
> scatter-gather: on
>        tx-scatter-gather: on
>        tx-scatter-gather-fraglist: off [fixed]
> tcp-segmentation-offload: off
>        tx-tcp-segmentation: off [fixed]
>        tx-tcp-ecn-segmentation: off [fixed]
>        tx-tcp-mangleid-segmentation: off [fixed]
>        tx-tcp6-segmentation: off [fixed]
> udp-fragmentation-offload: off
> generic-segmentation-offload: on
> generic-receive-offload: on
> large-receive-offload: off [fixed]
> rx-vlan-offload: off [fixed]
> tx-vlan-offload: off [fixed]
> ntuple-filters: off [fixed]
> receive-hashing: off [fixed]
> highdma: on [fixed]
> rx-vlan-filter: off [fixed]
> vlan-challenged: off [fixed]
> tx-lockless: off [fixed]
> netns-local: off [fixed]
> tx-gso-robust: off [fixed]
> tx-fcoe-segmentation: off [fixed]
> tx-gre-segmentation: off [fixed]
> tx-gre-csum-segmentation: off [fixed]
> tx-ipxip4-segmentation: off [fixed]
> tx-ipxip6-segmentation: off [fixed]
> tx-udp_tnl-segmentation: off [fixed]
> tx-udp_tnl-csum-segmentation: off [fixed]
> tx-gso-partial: off [fixed]
> tx-sctp-segmentation: off [fixed]
> tx-esp-segmentation: off [fixed]
> tx-udp-segmentation: off [fixed]
> fcoe-mtu: off [fixed]
> tx-nocache-copy: off
> loopback: off [fixed]
> rx-fcs: off [fixed]
> rx-all: off [fixed]
> tx-vlan-stag-hw-insert: off [fixed]
> rx-vlan-stag-hw-parse: off [fixed]
> rx-vlan-stag-filter: off [fixed]
> l2-fwd-offload: off [fixed]
> hw-tc-offload: off [fixed]
> esp-hw-offload: off [fixed]
> esp-tx-csum-hw-offload: off [fixed]
> rx-udp_tunnel-port-offload: off [fixed]
> tls-hw-tx-offload: off [fixed]
> tls-hw-rx-offload: off [fixed]
> rx-gro-hw: off [fixed]
> tls-hw-record: off [fixed]
> # iperf3 -c 192.168.1.100
> Connecting to host 192.168.1.100, port 5201
> [  5] local 192.168.1.131 port 58412 connected to 192.168.1.100 port 5201
> [ ID] Interval           Transfer     Bitrate         Retr  Cwnd
> [  5]   0.00-1.00   sec   112 MBytes   937 Mbits/sec   32   59.4 KBytes
> [  5]   1.00-2.00   sec   112 MBytes   937 Mbits/sec   25    290 KBytes
> [  5]   2.00-3.00   sec   109 MBytes   915 Mbits/sec  150    279 KBytes
> [  5]   3.00-4.00   sec   112 MBytes   941 Mbits/sec    0    334 KBytes
> [  5]   4.00-5.00   sec   112 MBytes   941 Mbits/sec    0    342 KBytes
> [  5]   5.00-6.00   sec   111 MBytes   934 Mbits/sec   98    320 KBytes
> [  5]   6.00-7.00   sec   111 MBytes   929 Mbits/sec  123   76.4 KBytes
> [  5]   7.00-8.00   sec   109 MBytes   917 Mbits/sec  119    277 KBytes
> [  5]   8.00-9.00   sec   112 MBytes   941 Mbits/sec    0    314 KBytes
> [  5]   9.00-10.00  sec   112 MBytes   940 Mbits/sec    0    318 KBytes
> - - - - - - - - - - - - - - - - - - - - - - - - -
> [ ID] Interval           Transfer     Bitrate         Retr
> [  5]   0.00-10.00  sec  1.09 GBytes   933 Mbits/sec  547             sender
> [  5]   0.00-10.04  sec  1.09 GBytes   929 Mbits/sec                  receiver
>
> iperf Done.
>
> so for me disabling offloading didn't change anything.
>
> Jose, is my command for disabling offloading correct?
> Simon, does disabling offloading improve anything in your iperf2 or
> real-world scenario on a kernel where you previously had performance
> issues?
>
>
> Regards
> Martin



_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

  reply	other threads:[~2019-02-17 19:13 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <a38e643c-ed9f-c306-cc95-84f70ebc1f10@gmx.de>
     [not found] ` <CAFBinCDebPOsmrhSXecx48nGWHh7g_OGPbr1Y0M+n_v9Ht91ew@mail.gmail.com>
2019-01-17 21:23   ` stmmac / meson8b-dwmac Simon Huelck
2019-02-04 14:34     ` Martin Blumenstingl
2019-02-06 10:36       ` Emiliano Ingrassia
2019-02-06 18:04         ` Simon Huelck
2019-02-06 21:21         ` Simon Huelck
2019-02-07 19:30         ` Simon Huelck
2019-02-09  1:09           ` Martin Blumenstingl
2019-02-11 13:44             ` Jose Abreu
2019-02-14  7:21               ` Simon Huelck
2019-02-17 14:48               ` Martin Blumenstingl
2019-02-17 19:13                 ` Simon Huelck [this message]
2019-02-18  8:42                 ` Jose Abreu
2019-02-18  8:45                   ` Jose Abreu
2019-02-18 12:33                     ` Simon Huelck
2019-02-18 12:41                       ` Jose Abreu
2019-02-18 13:02                         ` Jose Abreu
2019-02-18 15:29                           ` Simon Huelck
2019-02-18 15:31                             ` Jose Abreu
2019-02-18 15:53                               ` Simon Huelck
2019-02-18 16:26                                 ` Jose Abreu
2019-02-18 16:40                                   ` Simon Huelck
2019-02-18 16:43                                     ` Jose Abreu
2019-02-18 16:51                                       ` Simon Huelck
2019-02-18 17:05                                         ` Jose Abreu
2019-02-18 18:05                                           ` Simon Huelck
2019-02-19  8:47                                             ` Jose Abreu
2019-02-19 19:41                                               ` Simon Huelck
2019-02-21 14:21                                                 ` Jerome Brunet
2019-02-21 17:27                                                   ` Simon Huelck
2019-02-21 17:46                                                     ` Jerome Brunet
2019-02-21 19:34                                                       ` Simon Huelck
2019-02-22 17:21                                                         ` Anand Moon
2019-02-24 15:00                                                       ` Simon Huelck
2019-02-24 15:02                                                         ` Simon Huelck
2019-02-24 19:42                                                         ` Sebastian Gottschall
2019-02-24 20:34                                                           ` Simon Huelck
2019-02-27 11:09                                                             ` Jose Abreu
2019-02-27 19:02                                                               ` Simon Huelck
2019-03-01  9:23                                                                 ` Jose Abreu
2019-03-05  9:55                                                                   ` Simon Huelck
2019-03-06 11:35                                                                     ` Simon Huelck
2019-03-06 11:45                                                                       ` Simon Huelck
2019-05-11 14:53                                                                   ` Simon Huelck
2019-05-13  9:07                                                                     ` Jose Abreu
2019-05-22 12:48                                                                       ` Simon Huelck
2019-05-22 14:02                                                                       ` Neil Armstrong
2019-02-27 21:03                                                               ` Simon Huelck
2019-02-18 17:05                                       ` Simon Huelck

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=b700590a-76ce-d836-c31d-4b220874e238@gmx.de \
    --to=simonmail@gmx.de \
    --cc=Gpeppe.cavallaro@st.com \
    --cc=alexandre.torgue@st.com \
    --cc=ingrassia@epigenesys.com \
    --cc=jose.abreu@synopsys.com \
    --cc=linux-amlogic@lists.infradead.org \
    --cc=martin.blumenstingl@googlemail.com \
    --cc=netdev@vger.kernel.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).