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GetThreadListStackTraces should use Thread-Local Handshakes at least when number of threads is one.
Requested by dynatrace.

is blocked by

JDK-8240918 [REDO] Allow direct handshakes without VMThread intervention

relates to

JDK-8246206 Thread.getStackTrace has performance linear in the number of threads

JDK-8238585 JvmtiEventControllerPrivate::enter_interp_only_mode() should not make compiled methods on stack not_entrant

1.	JVMTI monitor operations should use Thread-Local Handshakes	Resolved	Yasumasa Suenaga
2.	JVMTI frame pop operations should use Thread-Local Handshakes	Resolved	Yasumasa Suenaga
3.	JVMTI thread operations should use Thread-Local Handshake	Resolved	Yasumasa Suenaga
4.	JVMTI frame operations should use Thread-Local Handshake	Resolved	Yasumasa Suenaga