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| author |   Vlad Buslov <vladbu@mellanox.com> | 2019-06-25 22:33:15 +0300 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@mellanox.com> | 2019-08-21 15:55:18 -0700 |
| commit | c786fe596bede275f887f212eebee74490043b84 (patch) | |
| tree | 5e4e2257892babc7c881b2289edca537a7d78052 /Documentation/networking/device_drivers | |
| parent | net/mlx5e: Add tc flower tracepoints (diff) | |
| download | linux-dev-c786fe596bede275f887f212eebee74490043b84.tar.xz linux-dev-c786fe596bede275f887f212eebee74490043b84.zip | |
net/mlx5e: Add trace point for neigh used value update
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>
Diffstat (limited to 'Documentation/networking/device_drivers')
| -rw-r--r-- | Documentation/networking/device_drivers/mellanox/mlx5.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/networking/device_drivers/mellanox/mlx5.rst b/Documentation/networking/device_drivers/mellanox/mlx5.rst index 1339dbf52431..b2f21ce9b090 100644 --- a/Documentation/networking/device_drivers/mellanox/mlx5.rst +++ b/Documentation/networking/device_drivers/mellanox/mlx5.rst @@ -251,3 +251,10 @@ tc and eswitch offloads tracepoints: $ cat /sys/kernel/debug/tracing/trace ... tc-6546 [010] ...1 2679.704889: mlx5e_stats_flower: cookie=0000000060eb3d6a bytes=0 packets=0 lastused=4295560217 + +- mlx5e_tc_update_neigh_used_value: trace tunnel rule neigh update value offloaded to mlx5:: + + $ echo mlx5:mlx5e_tc_update_neigh_used_value >> /sys/kernel/debug/tracing/set_event + $ cat /sys/kernel/debug/tracing/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 |