From: Peter Zijlstra <peterz@infradead.org>
To: Jesper Dangaard Brouer <jbrouer@redhat.com>
Cc: Josef Griebichler <griebichler.josef@gmx.at>,
Mauro Carvalho Chehab <mchehab@s-opensource.com>,
Alan Stern <stern@rowland.harvard.edu>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, Eric Dumazet <edumazet@google.com>,
Rik van Riel <riel@redhat.com>, Paolo Abeni <pabeni@redhat.com>,
Hannes Frederic Sowa <hannes@redhat.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
netdev <netdev@vger.kernel.org>, Jonathan Corbet <corbet@lwn.net>,
LMML <linux-media@vger.kernel.org>,
David Miller <davem@davemloft.net>,
torvalds@linux-foundation.org
Subject: Aw: Re: dvb usb issues since kernel 4.9
Date: Mon, 8 Jan 2018 22:44:27 +0100 [thread overview]
Message-ID: <20180108214427.GT29822@worktop.programming.kicks-ass.net> (raw)
On Mon, Jan 08, 2018 at 10:31:09PM +0100, Jesper Dangaard Brouer wrote:
> I did expected the issue to get worse, when you load the Pi with
> network traffic, as now the softirq time-budget have to be shared
> between networking and USB/DVB. Thus, I guess you are running TCP and
> USB/mpeg2ts on the same CPU (why when you have 4 CPUs?...)
Isn't networking also over USB on the Pi ?
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WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Jesper Dangaard Brouer <jbrouer@redhat.com>
Cc: Josef Griebichler <griebichler.josef@gmx.at>,
Mauro Carvalho Chehab <mchehab@s-opensource.com>,
Alan Stern <stern@rowland.harvard.edu>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, Eric Dumazet <edumazet@google.com>,
Rik van Riel <riel@redhat.com>, Paolo Abeni <pabeni@redhat.com>,
Hannes Frederic Sowa <hannes@redhat.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
netdev <netdev@vger.kernel.org>, Jonathan Corbet <corbet@lwn.net>,
LMML <linux-media@vger.kernel.org>,
David Miller <davem@davemloft.net>,
torvalds@linux-foundation.org
Subject: Re: dvb usb issues since kernel 4.9
Date: Mon, 8 Jan 2018 22:44:27 +0100 [thread overview]
Message-ID: <20180108214427.GT29822@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <20180108223109.66c91554@redhat.com>
On Mon, Jan 08, 2018 at 10:31:09PM +0100, Jesper Dangaard Brouer wrote:
> I did expected the issue to get worse, when you load the Pi with
> network traffic, as now the softirq time-budget have to be shared
> between networking and USB/DVB. Thus, I guess you are running TCP and
> USB/mpeg2ts on the same CPU (why when you have 4 CPUs?...)
Isn't networking also over USB on the Pi ?
next reply other threads:[~2018-01-08 21:44 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-08 21:44 Peter Zijlstra [this message]
2018-01-08 21:44 ` dvb usb issues since kernel 4.9 Peter Zijlstra
-- strict thread matches above, loose matches on Subject: below --
2018-07-17 22:21 Mauro Carvalho Chehab
2018-07-17 22:21 ` Mauro Carvalho Chehab
2018-07-17 22:21 ` Mauro Carvalho Chehab
2018-07-17 18:07 hannah
2018-07-17 18:07 ` Hanna Hawa
2018-07-17 18:07 ` Hanna Hawa
2018-07-17 17:09 Linus Torvalds
2018-07-17 17:09 ` Linus Torvalds
2018-07-17 17:09 ` Linus Torvalds
2018-07-17 11:54 hannah
2018-07-17 11:54 ` Hanna Hawa
2018-01-13 10:46 Aw: " Mauro Carvalho Chehab
2018-01-13 10:46 ` Mauro Carvalho Chehab
2018-01-13 9:09 Aw: " Mauro Carvalho Chehab
2018-01-13 9:09 ` Mauro Carvalho Chehab
2018-01-12 21:48 Aw: " Eric Dumazet
2018-01-12 21:48 ` Eric Dumazet
2018-01-12 21:13 Aw: " Mauro Carvalho Chehab
2018-01-12 21:13 ` Mauro Carvalho Chehab
2018-01-10 9:45 Aw: " Jesper Dangaard Brouer
2018-01-10 9:45 ` Jesper Dangaard Brouer
2018-01-10 3:02 Mike Galbraith
2018-01-10 3:02 ` Mike Galbraith
2018-01-09 21:48 Aw: " Eric Dumazet
2018-01-09 21:48 ` Eric Dumazet
2018-01-09 21:26 Jesper Dangaard Brouer
2018-01-09 21:26 ` Jesper Dangaard Brouer
2018-01-09 18:58 Aw: " Linus Torvalds
2018-01-09 18:58 ` Linus Torvalds
2018-01-09 17:57 Aw: " Eric Dumazet
2018-01-09 17:57 ` Eric Dumazet
2018-01-09 17:55 Linus Torvalds
2018-01-09 17:55 ` Linus Torvalds
2018-01-09 17:48 Aw: " Linus Torvalds
2018-01-09 17:48 ` Linus Torvalds
2018-01-09 17:42 Mauro Carvalho Chehab
2018-01-09 17:42 ` Mauro Carvalho Chehab
2018-01-09 17:27 Aw: " Eric Dumazet
2018-01-09 17:27 ` Eric Dumazet
2018-01-09 16:51 Aw: " Josef Griebichler
2018-01-09 16:51 ` Josef Griebichler
2018-01-08 22:16 Jesper Dangaard Brouer
2018-01-08 22:16 ` Jesper Dangaard Brouer
2018-01-08 21:31 Aw: " Jesper Dangaard Brouer
2018-01-08 21:31 ` Jesper Dangaard Brouer
2018-01-08 20:40 Aw: " Jesper Dangaard Brouer
2018-01-08 20:40 ` Jesper Dangaard Brouer
2018-01-08 19:51 Linus Torvalds
2018-01-08 19:51 ` Linus Torvalds
2018-01-08 17:35 Aw: " Alan Stern
2018-01-08 17:35 ` Aw: " Alan Stern
2018-01-08 17:15 Aw: " Josef Griebichler
2018-01-08 17:15 ` Aw: " Josef Griebichler
2018-01-08 16:31 Aw: " Alan Stern
2018-01-08 16:31 ` Alan Stern
2018-01-08 16:26 Josef Griebichler
2018-01-08 16:26 ` Josef Griebichler
2018-01-08 16:10 Alan Stern
2018-01-08 16:10 ` Alan Stern
2018-01-08 9:43 Mauro Carvalho Chehab
2018-01-08 9:43 ` Mauro Carvalho Chehab
[not found] <trinity-35b3a044-b548-4a31-9646-ed9bc83e6846-1513505978471@3c-app-gmx-bs03>
[not found] ` <20171217120634.pmmuhdqyqmbkxrvl@gofer.mess.org>
2017-12-17 13:27 ` Mauro Carvalho Chehab
[not found] ` <trinity-1fa14556-8596-44b1-95cb-b8919d94d2d4-1515251056328@3c-app-gmx-bs15>
2018-01-06 19:54 ` Mauro Carvalho Chehab
2018-01-06 21:07 ` Aw: " Josef Griebichler
2018-01-06 21:44 ` Alan Stern
2018-01-07 11:03 ` Mauro Carvalho Chehab
2018-01-07 15:41 ` Alan Stern
2018-01-07 17:01 ` Aw: " Josef Griebichler
2018-01-07 17:01 ` Josef Griebichler
2018-01-07 21:23 ` Linus Torvalds
2018-01-08 10:02 ` Mauro Carvalho Chehab
2018-01-08 11:59 ` Jesper Dangaard Brouer
2018-01-08 12:53 ` Mauro Carvalho Chehab
2018-01-08 16:25 ` Alan Stern
2018-01-08 17:55 ` Ingo Molnar
2018-01-08 18:32 ` Linus Torvalds
2018-01-08 19:15 ` Alan Stern
2018-01-26 14:17 ` Mauro Carvalho Chehab
2018-01-26 19:37 ` Mauro Carvalho Chehab
2018-01-29 13:51 ` Mauro Carvalho Chehab
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