SUNRPC: Add trace points to observe transport congestion control

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To help debug problems with RPC/RDMA credit management, replace
dprintk() call sites in the transport send lock paths with trace
events.

Similar trace points are defined for the non-congestion paths.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

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Chuck Lever 2019-10-09 12:58:14 -04:00 • committed by Anna Schumaker

parent 5cd8b0d4dd

commit bf7ca707ae

2 changed files with 106 additions and 9 deletions

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93

include/trace/events/sunrpc.h

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22

net/sunrpc/xprt.c

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