hg: jdk/sandbox: 8233387: Shenandoah: passive mode should disable pacing ergonomically

[chris.hegarty at oracle.com]

Changeset: ab4db38ed085
Author:    shade
Date:      2019-11-01 16:16 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/ab4db38ed085

8233387: Shenandoah: passive mode should disable pacing ergonomically
Reviewed-by: zgu

! src/hotspot/share/gc/shenandoah/heuristics/shenandoahPassiveHeuristics.cpp
! src/hotspot/share/gc/shenandoah/heuristics/shenandoahPassiveHeuristics.hpp
! src/hotspot/share/gc/shenandoah/shenandoahPassiveMode.cpp