hg: jdk/hs: 8196487: AIX: os::get_summary_cpu_info does not need to call into libperfstat

[christoph.langer at sap.com]

Changeset: 8a9808a9dd6b
Author:    clanger
Date:      2018-01-31 16:48 +0100
URL:       http://hg.openjdk.java.net/jdk/hs/rev/8a9808a9dd6b

8196487: AIX: os::get_summary_cpu_info does not need to call into libperfstat
Reviewed-by: goetz, stuefe

! src/hotspot/os/aix/libperfstat_aix.cpp
! src/hotspot/os/aix/libperfstat_aix.hpp
! src/hotspot/os/aix/os_aix.cpp