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From: Eric Dumazet <edumazet@google.com>
To: David Miller <davem@davemloft.net>
Cc: Cong Wang <xiyou.wangcong@gmail.com>,
	netdev <netdev@vger.kernel.org>,
	Yuchung Cheng <ycheng@google.com>,
	Neal Cardwell <ncardwell@google.com>
Subject: Re: [Patch net-next 0/3] tcp: decouple TLP timer from RTO timer
Date: Mon, 28 Oct 2019 11:34:18 -0700	[thread overview]
Message-ID: <CANn89iKeB9+6xAyjQUZvtX3ioLNs3sBwCDq0QxmYEy5X_nF+LA@mail.gmail.com> (raw)
In-Reply-To: <20191028.112904.824821320861730754.davem@davemloft.net>

On Mon, Oct 28, 2019 at 11:29 AM David Miller <davem@davemloft.net> wrote:
>
> From: Cong Wang <xiyou.wangcong@gmail.com>
> Date: Tue, 22 Oct 2019 16:10:48 -0700
>
> > This patchset contains 3 patches: patch 1 is a cleanup,
> > patch 2 is a small change preparing for patch 3, patch 3 is the
> > one does the actual change. Please find details in each of them.
>
> Eric, have you had a chance to test this on a system with
> suitable CPU arity?

Yes, and I confirm I could not repro the issues at all.

I got a 100Gbit NIC, trying to increase the pressure a bit, and
driving this NIC at line rate was only using 2% of my 96 cpus host,
no spinlock contention of any sort.

Thanks.

  reply	other threads:[~2019-10-28 18:34 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-22 23:10 [Patch net-next 0/3] tcp: decouple TLP timer from RTO timer Cong Wang
2019-10-22 23:10 ` [Patch net-next 1/3] tcp: get rid of ICSK_TIME_EARLY_RETRANS Cong Wang
2019-10-22 23:10 ` [Patch net-next 2/3] tcp: make tcp_send_loss_probe() boolean Cong Wang
2019-10-22 23:10 ` [Patch net-next 3/3] tcp: decouple TLP timer from RTO timer Cong Wang
2019-10-22 23:24   ` Eric Dumazet
2019-10-23  1:10     ` Cong Wang
2019-10-23  2:15       ` Eric Dumazet
2019-10-23 17:40         ` Cong Wang
2019-10-23 18:14           ` Eric Dumazet
2019-10-23 18:30             ` Cong Wang
2019-10-23 18:55               ` Eric Dumazet
2019-10-28 18:29 ` [Patch net-next 0/3] " David Miller
2019-10-28 18:34   ` Eric Dumazet [this message]
2019-10-28 20:13     ` Cong Wang
2019-10-28 20:31       ` Eric Dumazet
2019-10-29  0:49         ` Cong Wang
2019-10-30 21:56 ` David Miller

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