From: sashiko-bot@kernel.org
To: liuqiangneo@163.com
Cc: virtualization@lists.linux.dev,
"Michael S. Tsirkin" <mst@redhat.com>,
"Eugenio Perez" <eperezma@redhat.com>
Subject: Re: [PATCH 2/3] virtio_balloon: add tracepoint for host ack latency
Date: Fri, 30 Oct 2026 03:02:11 +0000 [thread overview]
Message-ID: <sashiko-outbox-190192@kernel.org> (raw)
In-Reply-To: <20261030025834.19160-3-liuqiangneo@163.com>
> From: Qiang Liu <liuqiang@kylinos.cn>
>
> Balloon inflate/deflate block in tell_host() for host buffer consumption.
> Host-side stalls are easily mistaken for guest allocation issues.
>
> Add virtio_balloon_host_ack to record tell_host() wait time,
> virtqueue and PFN count, to split balloon latency between guest and host.
>
> Signed-off-by: Qiang Liu <liuqiang@kylinos.cn>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261030025834.19160-1-liuqiangneo@163.com?part=2
next prev parent reply other threads:[~2026-10-30 3:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-30 2:58 [PATCH 0/3] Add virtio_balloon operation tracepoints liuqiangneo
2026-10-30 2:58 ` [PATCH 1/3] virtio_balloon: add tracepoints for inflate and deflate operations liuqiangneo
2026-10-30 3:01 ` sashiko-bot
2026-10-30 2:58 ` [PATCH 2/3] virtio_balloon: add tracepoint for host ack latency liuqiangneo
2026-10-30 3:02 ` sashiko-bot [this message]
2026-10-30 2:58 ` [PATCH 3/3] virtio_balloon: add tracepoints for free page hinting and migration liuqiangneo
2026-10-30 3:09 ` sashiko-bot
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