PerfKit Benchmarker (PKB) contains a set of benchmarks to measure and compare cloud offerings. The benchmarks use default settings to reflect what most users will see. PerfKit Benchmarker is licensed under the Apache 2 license terms. Please make sure to read, understand and agree to the terms of the LICENSE and CONTRIBUTING files before proceeding.
From documentation, ubuntu need to run set-interrupts.sh manually. https://cloud.google.com/compute/docs/disks/local-ssd#optimize_your_local_ssd_performance