From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, david.marchand@redhat.com, echaudro@redhat.com,
chenbo.xia@outlook.com
Subject: Re: [PATCH v3] vhost: add IRQ suppression
Date: Thu, 12 Oct 2023 15:49:44 +0200 [thread overview]
Message-ID: <7e96b2a5-249e-18c3-f5fd-36b955984050@redhat.com> (raw)
In-Reply-To: <20230929103809.765417-1-maxime.coquelin@redhat.com>
On 9/29/23 12:38, Maxime Coquelin wrote:
> Guest notifications offloading, which has been introduced
> in v23.07, aims at offloading syscalls out of the datapath.
>
> This patch optimizes the offloading by not offloading the
> guest notification for a given virtqueue if one is already
> being offloaded by the application.
>
> With a single VDUSE device, we can already see few
> notifications being suppressed when doing throughput
> testing with Iperf3. We can expect to see much more being
> suppressed when the offloading thread is under pressure.
>
> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
> ---
>
> v3: s/0/false/ (David)
>
> lib/vhost/vhost.c | 4 ++++
> lib/vhost/vhost.h | 27 +++++++++++++++++++++------
> 2 files changed, 25 insertions(+), 6 deletions(-)
>
Applied to nex-virtio/for-next-net.
Thanks,
Maxime
prev parent reply other threads:[~2023-10-12 13:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-29 10:38 Maxime Coquelin
2023-10-03 12:36 ` Eelco Chaudron
2023-10-03 12:49 ` Maxime Coquelin
2023-10-10 7:50 ` David Marchand
2023-10-12 13:49 ` Maxime Coquelin [this message]
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