RFR: 8361370: runtime/Thread/TestThreadDumpMonitorContention.java fails due to time out on Windows

[Stefan Karlsson]

On Fri, 22 Aug 2025 08:54:40 GMT, Anton Artemov <duke at openjdk.org> wrote:

> Hi, please consider the following changes:
> 
> Jstack streaming output should be disabled in the test as JDK-8354461 suggest. 
> 
> When disabled, the test does not hang with ZGC enabled. 
> 
> Tested locally.

test/hotspot/jtreg/runtime/Thread/TestThreadDumpMonitorContention.java line 53:

> 51:     final static String JSTACK = JDKToolFinder.getTestJDKTool("jstack");
> 52:     final static String PID = Long.toString(ProcessHandle.current().pid());
> 53:     final static String DISABLE_STREAMING_OUTPUT = "-J-Djdk.attach.allowStreamingOutput=false";

Would you mind writing a comment here explaining why this is needed for this test?

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PR Review Comment: https://git.openjdk.org/jdk/pull/26895#discussion_r2293272478