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authorGrzegorz Andrejczuk <grzegorz.andrejczuk@intel.com>2020-05-11 19:07:01 +0300
committerJason Gunthorpe <jgg@mellanox.com>2020-05-21 17:23:57 +0300
commit7638c0e965f48d773d8684d38e0967e4d0ee238c (patch)
treefb656c27b0e34b2adfea478c356eb0ebeb14e249 /drivers/infiniband/hw/hfi1/driver.c
parentb7e159eb008eb8b0bb83c09990b648bd2c4081df (diff)
downloadlinux-7638c0e965f48d773d8684d38e0967e4d0ee238c.tar.xz
IB/hfi1: Add packet histogram trace event
Add a simple trace event taking context number and building simple histogram to print packets distribution between contexts. Link: https://lore.kernel.org/r/20200511160700.173205.84270.stgit@awfm-01.aw.intel.com Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com> Signed-off-by: Kaike Wan <kaike.wan@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/driver.c')
-rw-r--r--drivers/infiniband/hw/hfi1/driver.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/driver.c b/drivers/infiniband/hw/hfi1/driver.c
index 60ff6de8cf98..a40701a6e1b6 100644
--- a/drivers/infiniband/hw/hfi1/driver.c
+++ b/drivers/infiniband/hw/hfi1/driver.c
@@ -1706,6 +1706,7 @@ static void hfi1_ipoib_ib_rcv(struct hfi1_packet *packet)
goto drop_no_nd;
trace_input_ibhdr(rcd->dd, packet, !!(rhf_dc_info(packet->rhf)));
+ trace_ctxt_rsm_hist(rcd->ctxt);
/* handle congestion notifications */
do_work = hfi1_may_ecn(packet);