These two patches apply independently of each other to v5.4-rc8.
Changes since v6:
- Move include/trace/events/rmda_cma.h to drivers/infiniband/core/cma_trace.h
- Add sample trace log output to the patch descriptions
- Back to the inlined version of ib_poll_cq()
Changes since v5:
- Add low-overhead trace points in the Connection Manager
- Address #include heartburn found by lkp
Changes since v4:
- Removed __ib_poll_cq, uninlined ib_poll_cq
Changes since v3:
- Reverted unnecessary behavior change in __ib_process_cq
- Clarified what "id" is in trace point output
- Added comment before new fields in struct ib_cq
- New trace point that fires when there is a CQ allocation failure
Changes since v2:
- Removed extraneous changes to include/trace/events/rdma.h
Changes since RFC:
- Display CQ's global resource ID instead of it's pointer address
---
Chuck Lever (2):
RDMA/core: Trace points for diagnosing completion queue issues
RDMA/cma: Add trace points in RDMA Connection Manager
drivers/infiniband/core/Makefile | 4 -
drivers/infiniband/core/cma.c | 59 ++++++--
drivers/infiniband/core/cma_trace.c | 16 ++
drivers/infiniband/core/cma_trace.h | 219 +++++++++++++++++++++++++++++++
drivers/infiniband/core/cq.c | 27 +++-
drivers/infiniband/core/trace.c | 14 ++
include/rdma/ib_verbs.h | 5 +
include/trace/events/rdma_core.h | 250 +++++++++++++++++++++++++++++++++++
8 files changed, 573 insertions(+), 21 deletions(-)
create mode 100644 drivers/infiniband/core/cma_trace.c
create mode 100644 drivers/infiniband/core/cma_trace.h
create mode 100644 drivers/infiniband/core/trace.c
create mode 100644 include/trace/events/rdma_core.h
--
Chuck Lever
