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 c7503dc8.

This reverts commit 7a01e5e2.

Reviewed-by: rehn, egahlin

Reviewed-by: neugens
Contributed-by: asemenov@azul.com

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: Fixed build failure caused by -Werror=format-security

Test Plan: build and sanity test

Reviewed-by: D-D-H, mmyxym

Issue: https://github.com/alibaba/dragonwell8/issues/79

Summary:
Port 8202353 from lastest jdk, in order to fix compatibility of 8u232 api change instead of the origin openjdk8 patch
Buglist ref: https://bugs.openjdk.java.net/browse/JDK-8202353
Fix ref: http://hg.openjdk.java.net/jdk/jdk/rev/f605c91e5219

Test Plan:
Successfully build Dragonwell8, and pass jfr tests.

Reviewed-by: D-D-H,luchsh,sanhong

Issue: https://github.com/alibaba/dragonwell8/issues/73

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

Summary: add compatibility for UnlockCommercialFeatures

Test Plan: test/jfr/test_unlockCommercialFeatures_compatibility.sh

Reviewed-by: yfxhust, luchsh

Issue: https://github.com/alibaba/dragonwell8_hotspot/issues/6

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

Summary: Avoid use of lambdas and StringJoiner so GenerateJfrFiles builds with OpenJDK 7
Reviewed-by: shade

Reviewed-by: mgronlun

Reviewed-by: phh

8227605: Kitchensink fails "assert((((klass)->trace_id() & (JfrTraceIdEpoch::leakp_in_use_this_epoch_bit())) != 0)) failed: invariant"
Reviewed-by: dholmes, dcubed, egahlin

Reviewed-by: jbachorik

Reviewed-by: egahlin, rwestberg

8227011: Starting a JFR recording in response to JVMTI VMInit and / or Java agent premain corrupts memory
Reviewed-by: egahlin, rwestberg

Reviewed-by: mgronlun

Reviewed-by: dcubed, dholmes

Reviewed-by: clanger

Reviewed-by: gziemski, mgronlun

Reviewed-by: mgronlun, mikael

Reviewed-by: rehn, sgehwolf

Reviewed-by: redestad, egahlin

Reviewed-by: mgronlun

Reviewed-by: pliden

Reviewed-by: mgronlun

Reviewed-by: mgronlun

Reviewed-by: mgronlun, egahlin

Reviewed-by: mgronlun, dholmes

Reviewed-by: kbarrett, dholmes, dcubed, egahlin

Reviewed-by: mgronlun

Reviewed-by: mgronlun

Reviewed-by: jbachorik

Reviewed-by: neugens

8223689: Add JFR Thread Sampling Support
8223690: Add JFR BiasedLock Event Support
8223691: Add JFR G1 Region Type Change Event Support
8223692: Add JFR G1 Heap Summary Event Support
Summary: Backport JFR from JDK11, additional fixes
Reviewed-by: neugens, apetushkov
Contributed-by: denghui.ddh@alibaba-inc.com