linux-kernel - Re: [PATCH net-next 0/2] net: snmp: tracepoint support for snmp

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Message-ID: <20211111175032.14999302@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Thu, 11 Nov 2021 17:50:32 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Menglong Dong <menglong8.dong@...il.com>
Cc:     David Miller <davem@...emloft.net>,
        Steven Rostedt <rostedt@...dmis.org>, mingo@...hat.com,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        dsahern@...nel.org, Menglong Dong <imagedong@...cent.com>,
        LKML <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 0/2] net: snmp: tracepoint support for snmp

On Fri, 12 Nov 2021 09:40:47 +0800 Menglong Dong wrote:
> > I feel like I have seen this idea before. Is this your first posting?
> >
> > Would you mind including links to previous discussion if you're aware
> > of any?  
> 
> This is the first time that I post this patch. Do you mean that someone
> else has done this before? Sorry, I didn't find it~

I see. Yes, I believe very similar changes were proposed in the past.

I believe that concerns about the performance impact had prevented them
from being merged.