hg: jdk/jdk: 8247469: getSystemCpuLoad() returns -1 on linux when some offline cpus are present and cpusets.effective_cpus is not available

[matthias.baesken at sap.com]

Changeset: 627cfc1935b7
Author:    mbaesken
Date:      2020-06-12 16:40 +0200
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/627cfc1935b7

8247469: getSystemCpuLoad() returns -1 on linux when some offline cpus are present and cpusets.effective_cpus is not available
Reviewed-by: bobv, dtitov

! src/jdk.management/aix/native/libmanagement_ext/UnixOperatingSystem.c
! src/jdk.management/linux/native/libmanagement_ext/UnixOperatingSystem.c
! src/jdk.management/macosx/native/libmanagement_ext/UnixOperatingSystem.c
! src/jdk.management/unix/classes/com/sun/management/internal/OperatingSystemImpl.java