kernel/include/trace/events/rpcrdma.h, branch linux-5.2.y

xprtrdma: Trace marshaling failures

2019-04-25T19:19:56Z

Record an event when rpcrdma_marshal_req returns a non-zero return value to help track down why an xprt close might have occurred. Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker

SUNRPC: Introduce trace points in rpc_auth_gss.ko

2019-02-14T14:20:40Z

Add infrastructure for trace points in the RPC_AUTH_GSS kernel module, and add a few sample trace points. These report exceptional or unexpected events, and observe the assignment of GSS sequence numbers. Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker

xprtrdma: Prevent leak of rpcrdma_rep objects

2019-01-02T17:05:19Z

If a reply has been processed but the RPC is later retransmitted anyway, the req->rl_reply field still contains the only pointer to the old rpcrdma rep. When the next reply comes in, the reply handler will stomp on the rl_reply field, leaking the old rep. A trace event is added to capture such leaks. This problem seems to be worsened by the restructuring of the RPC Call path in v4.20. Fully addressing this issue will require at least a re-architecture of the disconnect logic, which is not appropriate during -rc. Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker

xprtrdma: Trace mapping, alloc, and dereg failures

2019-01-02T17:05:18Z

These are rare, but can be helpful at tracking down DMAR and other problems. Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker

xprtrdma: Add trace points for calls to transport switch methods

2019-01-02T17:05:18Z

Name them "trace_xprtrdma_op_*" so they can be easily enabled as a group. No trace point is added where the generic layer already has observability. Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker

xprtrdma: Clean up of xprtrdma chunk trace points

2019-01-02T17:05:18Z

The chunk-related trace points capture nearly the same information as the MR-related trace points. Also, rename them so globbing can be used to enable or disable these trace points more easily. Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker

xprtrdma: Refactor Receive accounting

2019-01-02T17:05:16Z

Clean up: Divide the work cleanly: - rpcrdma_wc_receive is responsible only for RDMA Receives - rpcrdma_reply_handler is responsible only for RPC Replies - the posted send and receive counts both belong in rpcrdma_ep Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker

xprtrdma: Squelch a sparse warning

2018-10-03T18:35:17Z

linux/include/trace/events/rpcrdma.h:501:1: warning: expression using sizeof bool linux/include/trace/events/rpcrdma.h:501:1: warning: odd constant _Bool cast (ffffffffffffffff becomes 1) Fixes: ab03eff58eb5 ("xprtrdma: Add trace points in RPC Call ... ") Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker

xprtrdma: Rename rpcrdma_qp_async_error_upcall

2018-10-03T13:14:57Z

Clean up: Use a function name that is consistent with the RDMA core API and with other consumers. Because this is a function that is invoked from outside the rpcrdma.ko module, add an appropriate documenting comment. Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker

xprtrdma: Rename rpcrdma_conn_upcall

2018-10-02T20:14:05Z