Using redis as an example it's basically half in every benchmark: https://gvisor.dev/docs/architecture_guide/performance/#system-calls https://gvisor.dev/docs/

Using redis as an example it's basically half in every benchmark: https://gvisor.dev/docs/architecture_guide/performance/#system-calls https://gvisor.dev/docs/architecture_guide/performance/#syst... IO bound tasks can be up to 10x slower using ptrace. I think using hardware acceleration gives you acceptable performance but ptrace is just a non-starter for prod.