> On Dec 18, 2019, at 3:18 PM, Chuck Lever <chuck.lever@xxxxxxxxxx> wrote: > > Hey y'all- > > Refresh of the RDMA/core trace point patches. <ping> > Changes since v9: > - One-line Makefile fix to ensure patch 1/3 compiles > > Changes since v8: > - Merged up to v5.5-rc2 > - Added trace points to record lifetime of rdma_cm_id's QP > - Added trace points in the "drain QP" path > - Various other clean-ups > > Changes since v7: > - Capture the return value from the ULP's CM event handler > - Record the lifetime of each rdma_cm_id > - Include an example patch for capturing MR lifetime > > 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 (3): > RDMA/cma: Add trace points in RDMA Connection Manager > RDMA/core: Trace points for diagnosing completion queue issues > RDMA/core: Add trace points to follow MR allocation > > > drivers/infiniband/core/Makefile | 6 - > drivers/infiniband/core/cma.c | 88 ++++++-- > drivers/infiniband/core/cma_trace.c | 16 + > drivers/infiniband/core/cma_trace.h | 391 +++++++++++++++++++++++++++++++++++ > drivers/infiniband/core/cq.c | 27 ++ > drivers/infiniband/core/trace.c | 14 + > drivers/infiniband/core/verbs.c | 43 +++- > include/rdma/ib_verbs.h | 5 > include/trace/events/rdma_core.h | 394 +++++++++++++++++++++++++++++++++++ > 9 files changed, 946 insertions(+), 38 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 -- Chuck Lever
