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20a5f939ba
tailscale/wgengine/filter
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Brad Fitzpatrick 20a5f939ba wgengine/filter: add UDP flow benchmark 
To show the effects of the flow LRU accounting on e.g. QUIC traffic.

For an open TCP connection:

    BenchmarkFilterMatch/tcp-not-syn-v4-8           66602070                16.74 ns/op
    BenchmarkFilterMatch/tcp-not-syn-v4-8           67718179                16.60 ns/op
    BenchmarkFilterMatch/tcp-not-syn-v4-8           68403351                16.84 ns/op
    BenchmarkFilterMatch/tcp-not-syn-v4-8           66076416                16.87 ns/op
    BenchmarkFilterMatch/tcp-not-syn-v4-8           67159012                16.67 ns/op
    BenchmarkFilterMatch/tcp-not-syn-v4-8           65009526                16.58 ns/op
    BenchmarkFilterMatch/tcp-not-syn-v4-8           66588055                16.62 ns/op
    BenchmarkFilterMatch/tcp-not-syn-v4-8           63037071                16.58 ns/op
    BenchmarkFilterMatch/tcp-not-syn-v4-8           69124975                21.15 ns/op
    BenchmarkFilterMatch/tcp-not-syn-v4-8           54482922                20.41 ns/op

And an open UDP connection:

    BenchmarkFilterMatch/udp-existing-flow-v4-8             25570020                44.09 ns/op
    BenchmarkFilterMatch/udp-existing-flow-v4-8             26725958                46.99 ns/op
    BenchmarkFilterMatch/udp-existing-flow-v4-8             25936412                47.11 ns/op
    BenchmarkFilterMatch/udp-existing-flow-v4-8             25418325                45.99 ns/op
    BenchmarkFilterMatch/udp-existing-flow-v4-8             25759848                44.73 ns/op
    BenchmarkFilterMatch/udp-existing-flow-v4-8             25212488                46.26 ns/op
    BenchmarkFilterMatch/udp-existing-flow-v4-8             25344370                44.55 ns/op
    BenchmarkFilterMatch/udp-existing-flow-v4-8             26399372                45.26 ns/op
    BenchmarkFilterMatch/udp-existing-flow-v4-8             26274159                47.51 ns/op
    BenchmarkFilterMatch/udp-existing-flow-v4-8             26070472                46.79 ns/op

Updates #12486

Change-Id: Ica4263fb77972cf43db5a2e9433b4429506edfde
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2024-06-16 20:04:50 -07:00
..
filtertype net/ipset, wgengine/filter/filtertype: add split-out packages 2024-06-16 15:25:23 -07:00
testdata wgengine/filter: add filter benchmark 2024-06-15 20:47:34 -07:00
filter_test.go wgengine/filter: add UDP flow benchmark 2024-06-16 20:04:50 -07:00
filter.go net/ipset, wgengine/filter/filtertype: add split-out packages 2024-06-16 15:25:23 -07:00
match.go net/ipset, wgengine/filter/filtertype: add split-out packages 2024-06-16 15:25:23 -07:00
tailcfg.go net/ipset, wgengine/filter/filtertype: add split-out packages 2024-06-16 15:25:23 -07:00