From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Jakub Kicinski <kuba@kernel.org>,
Shradha Gupta <shradhagupta@linux.microsoft.com>,
Shradha Gupta <shradhagupta@microsoft.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Ajay Sharma <sharmaajay@microsoft.com>,
Leon Romanovsky <leon@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
KY Srinivasan <kys@microsoft.com>, Wei Liu <wei.liu@kernel.org>,
Dexuan Cui <decui@microsoft.com>, Long Li <longli@microsoft.com>,
Paul Rosswurm <paulros@microsoft.com>,
Alireza Dabagh <alid@microsoft.com>,
Sharath George John <sgeorgejohn@microsoft.com>
Subject: Re: RE: [PATCH] net :mana : Add per-cpu stats for MANA device
Date: Fri, 8 Mar 2024 21:33:28 +0100 [thread overview]
Message-ID: <20240308203328.IvakSEHd@linutronix.de> (raw)
In-Reply-To: <CH2PR21MB1480D4AE8D329B5F00B184A7CA272@CH2PR21MB1480.namprd21.prod.outlook.com>
On 2024-03-08 19:43:57 [+0000], Haiyang Zhang wrote:
> > Do you have experimental data showing this making a difference
> > in production?
> Shradha, could you please add some data before / after enabling irqbalancer
> which changes cpu affinity?
so you have one queue and one interrupt and then the irqbalancer is
pushing the interrupt from CPU to another. What kind of information do
you gain from per-CPU counters here?
> Thanks,
> - Haiyang
Sebastian
next prev parent reply other threads:[~2024-03-08 20:33 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-07 14:52 [PATCH] net :mana : Add per-cpu stats for MANA device Shradha Gupta
2024-03-07 15:29 ` Jakub Kicinski
2024-03-07 15:49 ` Haiyang Zhang
2024-03-07 17:01 ` Jakub Kicinski
2024-03-08 5:30 ` Shradha Gupta
2024-03-08 18:51 ` Haiyang Zhang
2024-03-08 19:22 ` Jakub Kicinski
2024-03-08 19:43 ` Haiyang Zhang
2024-03-08 19:52 ` Rahul Rameshbabu
2024-03-08 20:27 ` Jakub Kicinski
2024-03-08 20:33 ` Sebastian Andrzej Siewior [this message]
2024-03-11 4:19 ` Shradha Gupta
2024-03-11 15:49 ` Stephen Hemminger
2024-03-11 15:51 ` Jakub Kicinski
2024-03-11 16:41 ` Stephen Hemminger
2024-03-14 2:57 ` Shradha Gupta
2024-03-14 3:05 ` Stephen Hemminger
2024-03-14 18:27 ` Jakub Kicinski
2024-03-14 18:54 ` Haiyang Zhang
2024-03-14 19:05 ` Jakub Kicinski
2024-03-14 20:01 ` [EXTERNAL] " Alireza Dabagh
2024-04-03 5:43 ` Shradha Gupta
2024-03-07 16:17 ` Haiyang Zhang
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