From: "Michael S. Tsirkin" <mst@redhat.com>
To: John Fastabend <john.fastabend@gmail.com>
Cc: eric.dumazet@gmail.com, netdev@vger.kernel.org,
Jason Wang <jasowang@redhat.com>
Subject: Re: [RFC PATCH v2 00/17] latest qdisc patch series
Date: Tue, 6 Jun 2017 07:30:15 +0300 [thread overview]
Message-ID: <20170606072545-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20170502153518.9304.17904.stgit@john-Precision-Tower-5810>
On Tue, May 02, 2017 at 08:36:03AM -0700, John Fastabend wrote:
> I am not going to be able to work on this for a few days so I figured
> it might be worth getting some feedback if there is any. Any thoughts
> on how to squeeze a few extra pps out of this would be very useful.
Batch dequeue into a temporary buffer, then scan this
buffer and xmit without locks might be a good idea.
It certainly helped vhost. You might need to requeue
if you are unable to xmit, there's now support for this.
--
MST
prev parent reply other threads:[~2017-06-06 4:30 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-02 15:36 [RFC PATCH v2 00/17] latest qdisc patch series John Fastabend
2017-05-02 15:36 ` [RFC PATCH v2 01/17] net: sched: cleanup qdisc_run and __qdisc_run semantics John Fastabend
2017-05-02 15:36 ` [RFC PATCH v2 02/17] net: sched: allow qdiscs to handle locking John Fastabend
2017-05-02 15:37 ` [RFC PATCH v2 03/17] net: sched: remove remaining uses for qdisc_qlen in xmit path John Fastabend
2017-05-02 15:37 ` [RFC PATCH v2 04/17] net: sched: provide per cpu qstat helpers John Fastabend
2017-05-02 15:37 ` [RFC PATCH v2 05/17] net: sched: a dflt qdisc may be used with per cpu stats John Fastabend
2017-05-02 15:38 ` [RFC PATCH v2 06/17] net: sched: explicit locking in gso_cpu fallback John Fastabend
2017-05-02 15:38 ` [RFC PATCH v2 07/17] net: sched: drop qdisc_reset from dev_graft_qdisc John Fastabend
2017-05-02 20:00 ` Jesper Dangaard Brouer
2017-05-02 15:38 ` [RFC PATCH v2 08/17] net: sched: support skb_bad_tx with lockless qdisc John Fastabend
2017-05-02 15:39 ` [RFC PATCH v2 09/17] net: sched: check for frozen queue before skb_bad_txq check John Fastabend
2017-05-02 15:39 ` [RFC PATCH v2 10/17] net: sched: qdisc_qlen for per cpu logic John Fastabend
2017-05-02 15:39 ` [RFC PATCH v2 11/17] net: sched: helper to sum qlen John Fastabend
2017-05-02 15:39 ` [RFC PATCH v2 12/17] net: sched: add support for TCQ_F_NOLOCK subqueues to sch_mq John Fastabend
2017-06-19 9:21 ` huaixin chang
2017-05-02 15:40 ` [RFC PATCH v2 13/17] net: sched: add support for TCQ_F_NOLOCK subqueues to sch_mqprio John Fastabend
2017-05-02 15:40 ` [RFC PATCH v2 14/17] net: skb_array: expose peek API John Fastabend
2017-06-06 3:10 ` Michael S. Tsirkin
2017-05-02 15:40 ` [RFC PATCH v2 15/17] net: sched: pfifo_fast use skb_array John Fastabend
2017-05-02 15:41 ` [RFC PATCH v2 16/17] net: skb_array additions for unlocked consumer John Fastabend
2017-05-02 15:41 ` [RFC PATCH v2 17/17] net: sched: lock once per bulk dequeue John Fastabend
2017-06-06 4:30 ` Michael S. Tsirkin [this message]
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