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Huge CPU utilization after commits on Oct 11 #57
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We are running syncookied on Centos7 with elrepo 4.8 mainline kernel. Network card is Intel X520 with netmap-aware ixgbe driver. Rust is installed with rust-up script from nightly channel. |
Perf top with "good" version:
Perf top with "bad" version:
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On version 223f292 and before syncookied was using about 40% cpu under 5Gbps syn flood.
Next working version 73e1ac0 (and any newer version) utilizes 100% cpu under same load.
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