We should find out whether Chrome is being negatively affected by kernel priority boosting heuristics, especially around IPC calls where the calling thread may get preempted by the callee. For details see [1].

[1] https://groups.google.com/a/chromium.org/d/msgid/scheduler-dev/CAE5mQiONimMBjicEHqaSh3_ju5ss79d_BWMFV-xB84DyP06BtA%40mail.gmail.com?utm_medium=email&utm_source=footer