On Tue, Apr 18, 2017 at 08:09:08PM +0200, Hannes Frederic Sowa wrote:
>
>
> On Tue, Apr 18, 2017, at 17:16, David Miller wrote:
> > From: Simon Horman
> > Date: Tue, 18 Apr 2017 17:09:04 +0900
> >
> > > On Wed, Mar 08, 2017 at 11:22:01AM -0800, Eric Dumazet wrote:
> > >> On Wed, 2017-03-08 at 1
On Tue, Apr 18, 2017, at 17:16, David Miller wrote:
> From: Simon Horman
> Date: Tue, 18 Apr 2017 17:09:04 +0900
>
> > On Wed, Mar 08, 2017 at 11:22:01AM -0800, Eric Dumazet wrote:
> >> On Wed, 2017-03-08 at 12:11 -0700, Subash Abhinov Kasiviswanathan wrote:
> >> > On 2017-03-08 11:40, Eric Dum
From: Simon Horman
Date: Tue, 18 Apr 2017 17:09:04 +0900
> On Wed, Mar 08, 2017 at 11:22:01AM -0800, Eric Dumazet wrote:
>> On Wed, 2017-03-08 at 12:11 -0700, Subash Abhinov Kasiviswanathan wrote:
>> > On 2017-03-08 11:40, Eric Dumazet wrote:
>> > > Well, this 'optimization' actually hurts when U
On Wed, Mar 08, 2017 at 11:22:01AM -0800, Eric Dumazet wrote:
> On Wed, 2017-03-08 at 12:11 -0700, Subash Abhinov Kasiviswanathan wrote:
> > On 2017-03-08 11:40, Eric Dumazet wrote:
> > > Well, this 'optimization' actually hurts when UDP sockets are not
> > > connected, since this adds an extra cac
On Wed, 2017-03-08 at 12:11 -0700, Subash Abhinov Kasiviswanathan wrote:
> On 2017-03-08 11:40, Eric Dumazet wrote:
> > Well, this 'optimization' actually hurts when UDP sockets are not
> > connected, since this adds an extra cache line miss per incoming
> > packet.
> >
> > (DNS servers for examp
On 2017-03-08 11:40, Eric Dumazet wrote:
Well, this 'optimization' actually hurts when UDP sockets are not
connected, since this adds an extra cache line miss per incoming
packet.
(DNS servers for example)
Hi Eric
Thanks for your comments. Would it be preferable to disable early demux
for
While running a single stream UDPv6 test, we observed that amount
of CPU spent in NET_RX softirq was much greater than UDPv4 for an
equivalent receive rate. The test here was run on an ARM64 based
Android system. On further analysis with perf, we found that UDPv6
was spending significant time in th
On Wed, 2017-03-08 at 11:24 -0700, Subash Abhinov Kasiviswanathan wrote:
> While running a single stream UDPv6 test, we observed that amount
> of CPU spent in NET_RX softirq was much greater than UDPv4 for an
> equivalent receive rate. The test here was run on an ARM64 based
> Android system. On fu