From: Jakub Kicinski <kuba@kernel.org>
To: Samiullah Khawaja <skhawaja@google.com>
Cc: "David S . Miller " <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
netdev@vger.kernel.org
Subject: Re: [PATCH net-next 0/3] Add support to do threaded napi busy poll
Date: Thu, 2 Jan 2025 16:47:14 -0800 [thread overview]
Message-ID: <20250102164714.0d849aaf@kernel.org> (raw)
In-Reply-To: <20250102191227.2084046-1-skhawaja@google.com>
On Thu, 2 Jan 2025 19:12:24 +0000 Samiullah Khawaja wrote:
> Extend the already existing support of threaded napi poll to do continuous
> busypolling.
>
> This is used for doing continuous polling of napi to fetch descriptors from
> backing RX/TX queues for low latency applications. Allow enabling of threaded
> busypoll using netlink so this can be enabled on a set of dedicated napis for
> low latency applications.
This is lacking clear justification and experimental results
vs doing the same thing from user space.
I'd also appreciate if Google could share the experience and results
of using basic threaded NAPI _in production_.
--
pw-bot: cr
next prev parent reply other threads:[~2025-01-03 0:47 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-02 19:12 [PATCH net-next 0/3] Add support to do threaded napi busy poll Samiullah Khawaja
2025-01-02 19:12 ` [PATCH net-next 1/3] Add support to set napi threaded for individual napi Samiullah Khawaja
2025-01-02 21:15 ` Stanislav Fomichev
2025-01-02 19:12 ` [PATCH net-next 2/3] net: Create separate gro_flush helper function Samiullah Khawaja
2025-01-02 19:12 ` [PATCH net-next 3/3] Extend napi threaded polling to allow kthread based busy polling Samiullah Khawaja
2025-01-02 21:16 ` Samudrala, Sridhar
2025-01-02 21:28 ` Stanislav Fomichev
2025-01-03 1:05 ` kernel test robot
2025-01-03 8:11 ` kernel test robot
2025-01-03 8:12 ` kernel test robot
2025-01-02 21:30 ` [PATCH net-next 0/3] Add support to do threaded napi busy poll Stanislav Fomichev
2025-01-02 21:56 ` David Laight
2025-01-03 0:47 ` Jakub Kicinski [this message]
2025-01-08 19:25 ` Joe Damato
2025-01-08 21:18 ` Samiullah Khawaja
2025-01-08 21:53 ` Martin Karsten
2025-01-15 22:35 ` Samiullah Khawaja
2025-01-16 0:28 ` Martin Karsten
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