[ovs-dev] [PATCH] INSTALL.DPDK.md: Correct mergeable buffers parameter.
Flavio Leitner
fbl at sysclose.org
Fri Feb 12 01:47:28 UTC 2016
On Wed, 10 Feb 2016 10:50:54 +0000
Ian Stokes <ian.stokes at intel.com> wrote:
> Update the mergeable buffers paramaters in performance tuning
> to the correct parameter mrg_rxbuf.
>
> Signed-off-by: Ian Stokes <ian.stokes at intel.com>
> ---
> INSTALL.DPDK.md | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/INSTALL.DPDK.md b/INSTALL.DPDK.md
> index d892788..0f340e5 100644
> --- a/INSTALL.DPDK.md
> +++ b/INSTALL.DPDK.md
> @@ -392,7 +392,7 @@ Performance Tuning:
> This behavior is typically supported and enabled by default, however
> in the case where the user knows that rx mergeable buffers are not needed
> i.e. jumbo frames are not needed, it can be forced off by adding
> - rx_mrgbuf=off to the QEMU command line options. By not reserving multiple
> + mrg_rxbuf=off to the QEMU command line options. By not reserving multiple
> chains of descriptors it will make more individual virtio descriptors
> available for rx to the guest using dpdkvhost ports and this can improve
> performance.
$ qemu-system-x86_64 -device virtio-net-pci,help 2>&1 | grep mrg
virtio-net-pci.mrg_rxbuf=bool (on/off)
Acked-by: Flavio Leitner <fbl at sysclose.org>
--
fbl
More information about the dev
mailing list