WSL2-Linux-Kernel/net/sunrpc/xprtrdma
Chuck Lever 78215759e2 SUNRPC: Make RTT measurement more precise (Send)
Some RPC transports have more overhead in their send_request
callouts than others. For example, for RPC-over-RDMA:

- Marshaling an RPC often has to DMA map the RPC arguments

- Registration methods perform memory registration as part of
  marshaling

To capture just server and network latencies more precisely: when
sending a Call, capture the rq_xtime timestamp _after_ the transport
header has been marshaled.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
2018-04-10 16:06:22 -04:00
..
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
backchannel.c xprtrdma: Move creation of rl_rdmabuf to rpcrdma_create_req 2018-04-10 16:06:22 -04:00
fmr_ops.c xprtrdma: Chain Send to FastReg WRs 2018-04-10 16:06:22 -04:00
frwr_ops.c xprtrdma: Chain Send to FastReg WRs 2018-04-10 16:06:22 -04:00
module.c rpcrdma: infrastructure for static trace points in rpcrdma.ko 2018-01-23 09:44:25 -05:00
rpc_rdma.c xprtrdma: ->send_request returns -EAGAIN when there are no free MRs 2018-04-10 16:06:22 -04:00
svc_rdma.c svcrdma: Reduce size of sge array in struct svc_rdma_op_ctxt 2017-04-25 17:25:55 -04:00
svc_rdma_backchannel.c svcrdma: Post Receives in the Receive completion handler 2018-01-18 11:52:51 -05:00
svc_rdma_recvfrom.c svcrdma: Post Receives in the Receive completion handler 2018-01-18 11:52:51 -05:00
svc_rdma_rw.c svcrdma: Fix Read chunk round-up 2018-02-08 13:40:17 -05:00
svc_rdma_sendto.c svcrdma: Post Receives in the Receive completion handler 2018-01-18 11:52:51 -05:00
svc_rdma_transport.c svcrdma: Post Receives in the Receive completion handler 2018-01-18 11:52:51 -05:00
transport.c SUNRPC: Make RTT measurement more precise (Send) 2018-04-10 16:06:22 -04:00
verbs.c xprtrdma: Move creation of rl_rdmabuf to rpcrdma_create_req 2018-04-10 16:06:22 -04:00
xprt_rdma.h xprtrdma: Chain Send to FastReg WRs 2018-04-10 16:06:22 -04:00