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Message-ID: <d1e4a839-6365-44ef-b9ca-157a4c2d2180@lunn.ch> Date: Wed, 12 Apr 2023 02:48:35 +0200 From: Andrew Lunn <andrew@...n.ch> To: Vladimir Oltean <vladimir.oltean@....com> Cc: netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, Florian Fainelli <f.fainelli@...il.com> Subject: Re: [PATCH net-next 0/2] DSA trace events 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@...dmis.org> (maintainer:TRACING) Masami Hiramatsu <mhiramat@...nel.org> (maintainer:TRACING) to get some feedback from people who do? Andrew
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