git: openjdk/mobile: 8185005: Improve performance of ThreadMXBean.getThreadInfo(long ids[], int maxDepth)

[duke]

Changeset: 6ccf3351
Author:    Daniil Titov <dtitov at openjdk.org>
Date:      2019-09-25 11:10:05 +0000
URL:       https://github.com/openjdk/mobile/commit/6ccf3351

8185005: Improve performance of ThreadMXBean.getThreadInfo(long ids[], int maxDepth)

Reviewed-by: sspitsyn, dholmes, dcubed, rehn

! src/hotspot/share/runtime/mutexLocker.cpp
! src/hotspot/share/runtime/mutexLocker.hpp
! src/hotspot/share/runtime/threadSMR.cpp
+ src/hotspot/share/services/threadIdTable.cpp
+ src/hotspot/share/services/threadIdTable.hpp