From: Paolo Abeni
> Sent: 02 February 2021 10:19
...
> Note that you can already process several packets with a single syscall
> using sendmmsg/recvmmsg. Both have issues with error reporting and
> timeout and IIRC still don't amortize the overhead introduced e.g. by
> CONFIG_HARDENED_USERCOPY.
Bo
On Tue, Feb 2, 2021 at 6:18 PM Paolo Abeni wrote:
>
> On Mon, 2021-02-01 at 20:07 -0800, Jakub Kicinski wrote:
>
[...]
>
> https://marc.info/?l=linux-netdev&m=148010858826712&w=2
>
> perf tests in lab with recvmmsg/sendmmsg could be great, but
> performance with real workload much less. You could
On Mon, 2021-02-01 at 20:07 -0800, Jakub Kicinski wrote:
> On Mon, 1 Feb 2021 20:41:45 +0800 Menglong Dong wrote:
> > I am thinking about making sendmsg/recvmsg process multiple messages
> > at once, which is possible to reduce the number of system calls.
> >
> > Take the receiving of udp as an ex
On Mon, 1 Feb 2021 20:41:45 +0800 Menglong Dong wrote:
> Hello, guys!
>
> I am thinking about making sendmsg/recvmsg process multiple messages
> at once, which is possible to reduce the number of system calls.
>
> Take the receiving of udp as an example, we can copy multiple skbs to
> msg_iov and
Hello, guys!
I am thinking about making sendmsg/recvmsg process multiple messages
at once, which is possible to reduce the number of system calls.
Take the receiving of udp as an example, we can copy multiple skbs to
msg_iov and make sure that every iovec contains a udp package.
Is this a good i
