]> git.baikalelectronics.ru Git - kernel.git/commit
ice: add tracepoints
authorJesse Brandeburg <jesse.brandeburg@intel.com>
Tue, 8 Jun 2021 23:35:17 +0000 (16:35 -0700)
committerTony Nguyen <anthony.l.nguyen@intel.com>
Fri, 25 Jun 2021 15:32:18 +0000 (08:32 -0700)
commit3089cf6d3caa1eb344aac05c875f4aeaf891552d
treedce984ef01c516ec427a8b75c88ebeadeb4c6802
parent19938bafa7ae8fc0a4a2c1c1430abb1a04668da1
ice: add tracepoints

This patch is modeled after one by Scott Peterson for i40e.

Add tracepoints to the driver, via a new file ice_trace.h and some new
trace calls added in interesting places in the driver. Add some tracing
for DIMLIB to help debug interrupt moderation problems.

Performance should not be affected, and this can be very useful
for debugging and adding new trace events to paths in the future.

Note eBPF programs can attach to these events, as well as perf
can count them since we're attaching to the events subsystem
in the kernel.

Co-developed-by: Ben Shelton <benjamin.h.shelton@intel.com>
Signed-off-by: Ben Shelton <benjamin.h.shelton@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
drivers/net/ethernet/intel/ice/ice_main.c
drivers/net/ethernet/intel/ice/ice_trace.h [new file with mode: 0644]
drivers/net/ethernet/intel/ice/ice_txrx.c