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authorCong Wang <xiyou.wangcong@gmail.com>2019-05-01 19:56:59 -0700
committerDavid S. Miller <davem@davemloft.net>2019-05-04 00:41:41 -0400
commit141b6b2ad75d92770240de3af98d55c41ce7cd18 (patch)
treec6b302bf24d04bd8a3d294d2df858f60d15116e2 /Makefile
parentf3f050a4df355c398f70e3788360a1262ac0c5df (diff)
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net: add a generic tracepoint for TX queue timeout
Although devlink health report does a nice job on reporting TX timeout and other NIC errors, unfortunately it requires drivers to support it but currently only mlx5 has implemented it. Before other drivers could catch up, it is useful to have a generic tracepoint to monitor this kind of TX timeout. We have been suffering TX timeout with different drivers, we plan to start to monitor it with rasdaemon which just needs a new tracepoint. Sample output: ksoftirqd/1-16 [001] ..s2 144.043173: net_dev_xmit_timeout: dev=ens3 driver=e1000 queue=0 Cc: Eran Ben Elisha <eranbe@mellanox.com> Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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