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dpif/stats: Add miniflow extract opt hits counter

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This commit adds a new counter to be displayed to the user when
requesting datapath packet statistics. It counts the number of
packets that are parsed and a miniflow built up from it by the
optimized miniflow extract parsers.

The ovs-appctl command "dpif-netdev/pmd-perf-show" now has an
extra entry indicating if the optimized MFEX was hit:

  - MFEX Opt hits:        6786432  (100.0 %)

Signed-off-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Flavio Leitner <fbl@sysclose.org>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
This commit is contained in:
Harry van Haaren
2021-07-15 21:36:14 +05:30
committed by Ian Stokes
parent 50be6715c0
commit dc39608d2a
6 changed files with 22 additions and 7 deletions
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3
lib/dpif-netdev-perf.c
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@@ -247,6 +247,7 @@ pmd_perf_format_overall_stats(struct ds *str, struct pmd_perf_stats *s,
" Rx packets: %12"PRIu64" (%.0f Kpps, %.0f cycles/pkt)\n"
" Datapath passes: %12"PRIu64" (%.2f passes/pkt)\n"
" - PHWOL hits: %12"PRIu64" (%5.1f %%)\n"
" - MFEX Opt hits: %12"PRIu64" (%5.1f %%)\n"
" - EMC hits: %12"PRIu64" (%5.1f %%)\n"
" - SMC hits: %12"PRIu64" (%5.1f %%)\n"
" - Megaflow hits: %12"PRIu64" (%5.1f %%, %.2f "
@@ -258,6 +259,8 @@ pmd_perf_format_overall_stats(struct ds *str, struct pmd_perf_stats *s,
passes, rx_packets ? 1.0 * passes / rx_packets : 0,
stats[PMD_STAT_PHWOL_HIT],
100.0 * stats[PMD_STAT_PHWOL_HIT] / passes,
stats[PMD_STAT_MFEX_OPT_HIT],
100.0 * stats[PMD_STAT_MFEX_OPT_HIT] / passes,
stats[PMD_STAT_EXACT_HIT],
100.0 * stats[PMD_STAT_EXACT_HIT] / passes,
stats[PMD_STAT_SMC_HIT],