Summary:

Test Plan: jdk/jfr

Reviewed-by: yuleil

Issue: https://github.com/alibaba/dragonwell8/issues/112

Summary:

Test Plan: jdk/jfr

Reviewed-by: yuleil

Issue: https://github.com/alibaba/dragonwell8/issues/112

This reverts commit 6585eb9c.

This reverts commit 5382b8e0.

This reverts commit 7a01e5e2.

8233197: Invert JvmtiExport::post_vm_initialized() and Jfr:on_vm_start() start-up order for correct option parsing
8246703: [TESTBUG] Add test for JDK-8233197
Reviewed-by: aph, adinn, neugens

Summary: add support for opto object allocations sampling

Test Plan: test/jfr/event/objectsprofiling/TestOptoObjectAllocationsSampling.java

Reviewers: zhengxiaolinX, luchsh, sanhong

Issue: https://github.com/alibaba/dragonwell8/issues/64

Reviewers: 效山, 芳玺, 传胜, 三红, yumin.qi

Reviewed By: 三红, 芳玺, 效山, 卓仁

Differential Revision: https://aone.alibaba-inc.com/code/D815657

Reviewed-by: jbachorik

Reviewed-by: mgronlun

Reviewed-by: redestad, egahlin

8199712: Flight Recorder
8203346: JFR: Inconsistent signature of jfr_add_string_constant
8195817: JFR.stop should require name of recording
8195818: JFR.start should increase autogenerated name by one
8195819: Remove recording=x from jcmd JFR.check output
8203921: JFR thread sampling is missing fixes from JDK-8194552
8203929: Limit amount of data for JFR.dump
8203664: JFR start failure after AppCDS archive created with JFR StartFlightRecording
8003209: JFR events for network utilization
8207392: [PPC64] Implement JFR profiling
8202835: jfr/event/os/TestSystemProcess.java fails on missing events
Summary: Backport JFR from JDK11. Initial integration
Reviewed-by: neugens