net/mlx5e: Add trace point for neigh used value update

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Allow tracing result of neigh used value update task that is executed
periodically on workqueue.

Usage example:
 ># cd /sys/kernel/debug/tracing
 ># echo mlx5:mlx5e_tc_update_neigh_used_value >> set_event
 ># cat trace
    ...
    kworker/u48:4-8806  [009] ...1 55117.882428: mlx5e_tc_update_neigh_used_value:
netdev: ens1f0 IPv4: 1.1.1.10 IPv6: ::ffff:1.1.1.10 neigh_used=1

Added corresponding documentation in
    Documentation/networking/device-driver/mellanox/mlx5.rst

Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Reviewed-by: Dmytro Linkin <dmitrolin@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

...

This commit is contained in:

Vlad Buslov 2019-06-25 22:33:15 +03:00 • committed by Saeed Mahameed

parent 7a978759b4

commit c786fe596b

3 changed files with 40 additions and 0 deletions

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7

Documentation/networking/device_drivers/mellanox/mlx5.rst

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31

drivers/net/ethernet/mellanox/mlx5/core/diag/en_tc_tracepoint.h

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2

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

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