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dpif-netdev: Add a partial HWOL PMD statistic.

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It is possible for packets traversing the userspace datapath to match a
flow before hitting on EMC by using a mark ID provided by a NIC. Add a
PMD statistic for this hit.

Signed-off-by: Cian Ferriter <cian.ferriter@intel.com>
Acked-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
This commit is contained in:
Cian Ferriter
2021-07-09 15:58:20 +00:00
committed by Ian Stokes
parent 3f86fdf5ce
commit d76a719a7a
7 changed files with 21 additions and 4 deletions
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1
lib/dpif-netdev-unixctl.man
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@@ -135,6 +135,7 @@ pmd thread numa_id 0 core_id 1:
- busy iterations: 86009 ( 84.1 % of used cycles)
Rx packets: 2399607 (2381 Kpps, 848 cycles/pkt)
Datapath passes: 3599415 (1.50 passes/pkt)
- PHWOL hits: 0 ( 0.0 %)
- EMC hits: 336472 ( 9.3 %)
- SMC hits: 0 ( 0.0 %)
- Megaflow hits: 3262943 ( 90.7 %, 1.00 subtbl lookups/hit)