linux_dsm_epyc7002/drivers/infiniband/hw
Kamenee Arumugam 0719007663 IB/hfi1: Convert PortXmitWait/PortVLXmitWait counters to flit times
HFI's counters SendWaitCnt and SendWaitVlCnt are in units
of TXE cycle time (at 805MHz). OPA counters PortXmitWait and
PortVLXmtWait are in units of flit times.
Convert the counter values to flit units using following
conversion formula:

PortXmitWait =
	SendWaitCnt * 2 * (4 /link_width) * (25 Gbps /link_speed)
PortVLXmitWait =
	SendWaitVLCnt * 2 * (4 /link_width) * (25 Gbps /link_speed)

At link up or downgrade events, the link width can change. To ensure
accurate counter calculations, sample the counters after the events,
during counter requests, and then aggregate the OPA counters.

Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Kamenee Arumugam <kamenee.arumugam@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-02-01 15:43:30 -07:00
..
bnxt_re RDMA/bnxt_re: Use common error handling code in bnxt_qplib_alloc_dpi_tbl() 2018-02-01 15:24:31 -07:00
cxgb3 Updates for 4.15 kernel merge window 2017-11-15 14:54:53 -08:00
cxgb4 iw_cxgb4: Change error/warn prints to pr_debug 2017-12-29 11:09:23 -07:00
hfi1 IB/hfi1: Convert PortXmitWait/PortVLXmitWait counters to flit times 2018-02-01 15:43:30 -07:00
hns RDMA/hns: Fix misplaced call to hns_roce_cleanup_hem_table 2018-02-01 15:24:32 -07:00
i40iw i40iw: Free IEQ resources 2018-01-16 20:38:18 -07:00
mlx4 RDMA: Move enum ib_cq_creation_flags to uapi headers 2018-01-29 12:58:34 -07:00
mlx5 Linux 4.15 2018-01-30 09:30:00 -07:00
mthca IB/mthca: remove mthca_user.h 2018-01-28 14:07:16 -07:00
nes nes: Change accelerated flag to bool 2017-12-22 13:33:30 -07:00
ocrdma IB/ocrdma: Use zeroing memory allocator than allocator/memset 2018-01-02 11:20:13 -07:00
qedr RDMA/qedr: lower print level of flushed CQEs 2018-01-25 10:58:36 -05:00
qib IB/hfi1: Compute BTH only for RDMA_WRITE_LAST/SEND_LAST packet 2018-02-01 15:43:28 -07:00
usnic drivers: infiniband: remove duplicate includes 2017-12-22 09:39:35 -07:00
vmw_pvrdma RDMA/vmw_pvrdma: Use zeroing memory allocator than allocator/memset 2018-01-02 11:20:13 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00