hg: jdk/submit: 8215113: Sampling interval not always correct

[jcbeyler at google.com]

Changeset: 564dfcafd7dc
Author:    jcbeyler
Date:      2019-01-28 15:05 -0800
URL:       http://hg.openjdk.java.net/jdk/submit/rev/564dfcafd7dc

8215113: Sampling interval not always correct
Summary: Fix the interval calculation
Reviewed-by: phh, sspitsyn

! src/hotspot/share/gc/shared/memAllocator.cpp
! src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp
! src/hotspot/share/gc/shared/threadLocalAllocBuffer.hpp
! test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitor.java
! test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorArrayAllSampledTest.java
! test/hotspot/jtreg/serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatArrayCorrectnessTest.java