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Date: Thu, 14 Mar 2024 12:05:28 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Shradha Gupta <shradhagupta@linux.microsoft.com>, Shradha Gupta
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 <mikelley@microsoft.com>, Alireza Dabagh <alid@microsoft.com>, Paul
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Subject: Re: [PATCH] net :mana : Add per-cpu stats for MANA device
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On Thu, 14 Mar 2024 18:54:31 +0000 Haiyang Zhang wrote:
> We understand irqbalance may be a "bad idea", and recommended some 
> customers to disable it when having problems with it... But it's 
> still enabled by default, and we cannot let all distro vendors 
> and custom image makers to disable the irqbalance. So, our host-
> networking team is eager to have per-CPU stats for analyzing CPU 
> usage related to irqbalance or other issues.

You need a use case to get the stats upstream.
"CPU usage related to irqbalance or other issues" is both too vague,
and irqbalance is a user space problem.