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Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8362059	25.0.1	Richard Reingruber	P4	Resolved	Fixed	b02
JDK-8361826	25	Richard Reingruber	P4	Resolved	Fixed	b31

Issue:
DumpThreadsWithEliminatedLock.java runs into timeout because the expected pattern "- lock is eliminated" is not found in generated thread dumps.
(see https://github.com/openjdk/jdk/blob/a23de2ec090628b52532ee5d9bd4364a97499f5b/test/jdk/com/sun/management/HotSpotDiagnosticMXBean/DumpThreadsWithEliminatedLock.java#L115)

Analysis:
C2 lock elimination can fail if some StringBuilder methods aren't inlined, e.g. because they were already compiled into a large nmethod.
(see https://github.com/openjdk/jdk/blob/a23de2ec090628b52532ee5d9bd4364a97499f5b/test/jdk/com/sun/management/HotSpotDiagnosticMXBean/DumpThreadsWithEliminatedLock.java#L80-L82)

Reproduce on x86:
time make test TEST=com/sun/management/HotSpotDiagnosticMXBean/DumpThreadsWithEliminatedLock.java TEST_VM_OPTS="-XX:-TieredCompilation"

backported by

JDK-8361826 [TESTBUG] DumpThreadsWithEliminatedLock.java fails because of unstable inlining

JDK-8362059 [TESTBUG] DumpThreadsWithEliminatedLock.java fails because of unstable inlining

relates to

JDK-8356870 HotSpotDiagnosticMXBean.dumpThreads and jcmd Thread.dump_to_file updates

links to

Commit(jdk25) openjdk/jdk/532b1c73

Commit(master) openjdk/jdk/fea73c1d

Review(jdk25) openjdk/jdk/26180

Review(master) openjdk/jdk/26033

(2 links to)