Measuring True Server Tickrate Jitter: Using eBPF to Profile Main Simulation Loops
Trace microsecond frametime variance inside game server loops. Using eBPF, perf, and bpftrace to diagnose elusive rubber-banding bottlenecks.
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By Darius King, Esports Network Engineer
Profiling Beyond Basic CPU Percentages
A server displaying 30% CPU utilization can still suffer horrific lag spikes if a thread locks for 50 milliseconds once every two seconds. eBPF tracepoints capture the exact distribution of frame execution intervals.