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Date:   Wed, 12 Apr 2023 02:48:35 +0200
From:   Andrew Lunn <andrew@lunn.ch>
To:     Vladimir Oltean <vladimir.oltean@nxp.com>
Cc:     netdev@vger.kernel.org, Jakub Kicinski <kuba@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Paolo Abeni <pabeni@redhat.com>,
        Florian Fainelli <f.fainelli@gmail.com>
Subject: Re: [PATCH net-next 0/2] DSA trace events
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References: <20230407141451.133048-1-vladimir.oltean@nxp.com>
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On Fri, Apr 07, 2023 at 05:14:49PM +0300, Vladimir Oltean wrote:
> This series introduces the "dsa" trace event class, with the following
> events:
> 
> $ trace-cmd list | grep dsa
> dsa
> dsa:dsa_fdb_add_hw
> dsa:dsa_mdb_add_hw
> dsa:dsa_fdb_del_hw
> dsa:dsa_mdb_del_hw
> dsa:dsa_fdb_add_bump
> dsa:dsa_mdb_add_bump
> dsa:dsa_fdb_del_drop
> dsa:dsa_mdb_del_drop
> dsa:dsa_fdb_del_not_found
> dsa:dsa_mdb_del_not_found
> dsa:dsa_lag_fdb_add_hw
> dsa:dsa_lag_fdb_add_bump
> dsa:dsa_lag_fdb_del_hw
> dsa:dsa_lag_fdb_del_drop
> dsa:dsa_lag_fdb_del_not_found
> dsa:dsa_vlan_add_hw
> dsa:dsa_vlan_del_hw
> dsa:dsa_vlan_add_bump
> dsa:dsa_vlan_del_drop
> dsa:dsa_vlan_del_not_found
> 
> These are useful to debug refcounting issues on CPU and DSA ports, where
> entries may remain lingering, or may be removed too soon, depending on
> bugs in higher layers of the network stack.

Hi Vladimir

I don't know anything about trace points. Should you Cc: 

Steven Rostedt <rostedt@goodmis.org> (maintainer:TRACING)
Masami Hiramatsu <mhiramat@kernel.org> (maintainer:TRACING)

to get some feedback from people who do?

   Andrew