From: Daniel Egnor <dan.egnor@gmail.com>
To: tom_usenet@optusnet.com.au
Cc: linux-can@vger.kernel.org
Subject: Re: Fwd: Querying current tx_queue usage of a SocketCAN interface
Date: Wed, 1 Apr 2015 19:33:46 -0700 [thread overview]
Message-ID: <CAECC7w=_zcYtt=k7wjb8Pz6ibamPYKERiKU-CkKzyExtpS2Ljg@mail.gmail.com> (raw)
In-Reply-To: <551CA77C.2080706@optusnet.com.au>
On Wed, Apr 1, 2015 at 7:20 PM, Tom Evans <tom_usenet@optusnet.com.au> wrote:
> If your system requires the priority system to work for some reason, ...
Yeah, when you get to 80% nominal utilization on some of your buses
with occasional low priority "background" transfers pushing it to
100%, you really start to care about prioritization :-/.
We are indeed fighting the battle on many fronts to make sure that all
the nodes either send at a single priority, or don't mind lots of
delay, or have good CAN transmit buffering. It's just something of a
setback to realize that the Linux nodes have to be put in one of the
first two buckets.
Or maybe QDISC will save us -- we are indeed looking into that.
-- egnor
next prev parent reply other threads:[~2015-04-02 2:33 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAE+ymru296P+LjkT7_ONVc2OGMP9mtXW46Nq5aSnm1etauj9Aw@mail.gmail.com>
2015-03-28 20:26 ` Fwd: Querying current tx_queue usage of a SocketCAN interface Paarvai Naai
2015-03-29 22:42 ` Tom Evans
2015-03-30 21:55 ` Paarvai Naai
[not found] ` <5519E5A9.7080104@optusnet.com.au>
2015-03-31 0:26 ` Paarvai Naai
2015-03-31 3:09 ` Tom Evans
2015-04-01 20:33 ` Paarvai Naai
2015-04-01 20:57 ` Dan Egnor
2015-04-02 2:20 ` Tom Evans
2015-04-02 2:33 ` Daniel Egnor [this message]
2015-04-01 23:21 ` Tom Evans
2015-04-02 0:33 ` Dan Egnor
2015-04-02 2:20 ` Tom Evans
2015-04-02 6:28 ` Flexcan (was: Re: Fwd: Querying current tx_queue usage of a SocketCAN interface) Marc Kleine-Budde
2015-04-02 11:35 ` Tom Evans
2015-04-02 12:07 ` Flexcan Marc Kleine-Budde
2015-04-04 3:32 ` Flexcan (was: Re: Fwd: Querying current tx_queue usage of a SocketCAN interface) Tom Evans
2015-04-09 8:06 ` Flexcan Tom Evans
2015-04-10 6:35 ` Flexcan (was: Re: Fwd: Querying current tx_queue usage of a SocketCAN interface) Tom Evans
2015-04-02 18:23 ` Fwd: Querying current tx_queue usage of a SocketCAN interface Paarvai Naai
2015-04-02 6:46 ` Marc Kleine-Budde
2015-04-02 18:28 ` Paarvai Naai
2015-04-03 1:35 ` Tom Evans
2015-04-03 6:45 ` Paarvai Naai
2015-04-03 11:08 ` Marc Kleine-Budde
2015-04-03 15:24 ` Paarvai Naai
2015-04-03 20:28 ` Marc Kleine-Budde
2015-04-03 20:53 ` Paarvai Naai
2015-04-04 8:49 ` Marc Kleine-Budde
2015-04-06 17:54 ` Paarvai Naai
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