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Merge branch 'dsa-trace-events'

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Vladimir Oltean says:

====================
DSA trace events

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.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2023-04-12 08:36:07 +01:00
commit bbda0f0d15
4 changed files with 560 additions and 17 deletions
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