IB/hif1: Remove static tracing from SDMA hot path
authorMichael J. Ruhl <michael.j.ruhl@intel.com>
Mon, 28 Aug 2017 18:23:27 +0000 (11:23 -0700)
committerDoug Ledford <dledford@redhat.com>
Mon, 28 Aug 2017 23:12:27 +0000 (19:12 -0400)
commit34ab4de77fe512ba3aeabdcdc97504bd19791511
tree52e9fbbbc4b35c8ef2282a8447e22beb17378a1e
parentba81a427c35c827bb220f1a87231b3460e0bd879
IB/hif1: Remove static tracing from SDMA hot path

The hfi1_cdbg() macro can be instantiated in the hot path even when it
is not in use.  This shows up on perf profiles.

Rework the macros (for SDMA and MMU), to use the trace interface directly
to eliminate this performance hit.

Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/hw/hfi1/file_ops.c
drivers/infiniband/hw/hfi1/mmu_rb.c
drivers/infiniband/hw/hfi1/trace.h
drivers/infiniband/hw/hfi1/trace_mmu.h [new file with mode: 0644]
drivers/infiniband/hw/hfi1/trace_tx.h
drivers/infiniband/hw/hfi1/user_sdma.c
drivers/infiniband/hw/hfi1/user_sdma.h