The following test failed in the JDK23 CI:

jdk/test/lib/process/ProcessToolsLastLineTest.java

Here's a snippet from the log file:

#section:main
----------messages:(7/238)----------
command: main ProcessToolsLastLineTest
reason: User specified action: run main ProcessToolsLastLineTest
started: Thu May 23 17:30:22 UTC 2024
Mode: agentvm
Agent id: 5
finished: Thu May 23 17:30:25 UTC 2024
elapsed time (seconds): 3.019
----------configuration:(14/1852)----------

<snip>

----------System.out:(91/41365)----------
Command line: [/opt/mach5/mesos/work_dir/jib-master/install/jdk-23+25-2010/linux-aarch64.jdk/jdk-23/bin/java -cp /opt/mach5/mesos/work_dir/slaves/a4a7850a-7c35-410a-b879-d77fbb2f6087-S27884/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/cad6915f-aa0e-420b-aa0d-1e475fa0b672/runs/4fa3c2a2-fb39-4ed0-896c-c3ceac402bee/testoutput/test-support/jtreg_open_test_lib_test/classes/2/jdk/test/lib/process/ProcessToolsLastLineTest.d:/opt/mach5/mesos/work_dir/jib-master/install/jdk-23+25-2010/src.full/open/test/lib-test/jdk/test/lib/process:/opt/mach5/mesos/work_dir/slaves/a4a7850a-7c35-410a-b879-d77fbb2f6087-S27884/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/cad6915f-aa0e-420b-aa0d-1e475fa0b672/runs/4fa3c2a2-fb39-4ed0-896c-c3ceac402bee/testoutput/test-support/jtreg_open_test_lib_test/classes/2/test/lib:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/jtreg.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/junit-platform-console-standalone-1.9.2.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/testng-7.3.0.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/jcommander-1.82.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/guice-5.1.0.jar ProcessToolsLastLineTest
 ]
[process]:/opt/mach5/mesos/work_dir/jib-master/install/jdk-23+25-2010/linux-aarch64.jdk/jdk-23/bin/java -cp /opt/mach5/mesos/work_dir/slaves/a4a7850a-7c35-410a-b879-d77fbb2f6087-S27884/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/cad6915f-aa0e-420b-aa0d-1e475fa0b672/runs/4fa3c2a2-fb39-4ed0-896c-c3ceac402bee/testoutput/test-support/jtreg_open_test_lib_test/classes/2/jdk/test/lib/process/ProcessToolsLastLineTest.d:/opt/mach5/mesos/work_dir/jib-master/install/jdk-23+25-2010/src.full/open/test/lib-test/jdk/test/lib/process:/opt/mach5/mesos/work_dir/slaves/a4a7850a-7c35-410a-b879-d77fbb2f6087-S27884/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/cad6915f-aa0e-420b-aa0d-1e475fa0b672/runs/4fa3c2a2-fb39-4ed0-896c-c3ceac402bee/testoutput/test-support/jtreg_open_test_lib_test/classes/2/test/lib:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/jtreg.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/junit-platform-console-standalone-1.9.2.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/testng-7.3.0.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/jcommander-1.82.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/guice-5.1.0.jar ProcessToolsLastLineTest

<snip>

[process]:/opt/mach5/mesos/work_dir/jib-master/install/jdk-23+25-2010/linux-aarch64.jdk/jdk-23/bin/java -cp /opt/mach5/mesos/work_dir/slaves/a4a7850a-7c35-410a-b879-d77fbb2f6087-S27884/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/cad6915f-aa0e-420b-aa0d-1e475fa0b672/runs/4fa3c2a2-fb39-4ed0-896c-c3ceac402bee/testoutput/test-support/jtreg_open_test_lib_test/classes/2/jdk/test/lib/process/ProcessToolsLastLineTest.d:/opt/mach5/mesos/work_dir/jib-master/install/jdk-23+25-2010/src.full/open/test/lib-test/jdk/test/lib/process:/opt/mach5/mesos/work_dir/slaves/a4a7850a-7c35-410a-b879-d77fbb2f6087-S27884/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/cad6915f-aa0e-420b-aa0d-1e475fa0b672/runs/4fa3c2a2-fb39-4ed0-896c-c3ceac402bee/testoutput/test-support/jtreg_open_test_lib_test/classes/2/test/lib:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/jtreg.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/junit-platform-console-standalone-1.9.2.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/testng-7.3.0.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/jcommander-1.82.jar:/opt/mach5/mesos/work_dir/jib-master/install/jtreg/7.3.1/1/bundles/jtreg-7.3.1+1.zip/jtreg/lib/guice-5.1.0.jar ProcessToolsLastLineTest
ARG1
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
[process] [1.898s][warning][perf,memops] Cannot use file /tmp/hsperfdata_mach5-one/220009 because it is locked by another process (errno = 11)
[process] ARG1
[process] XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
----------System.err:(15/2519)----------
java.lang.RuntimeException: assertEquals expected: [1.898s][warning][perf,memops] Cannot use file /tmp/hsperfdata_mach5-one/220009 because it is locked by another process (errno = 11)ARG1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX but was: ARG1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
at jdk.test.lib.Asserts.fail(Asserts.java:691)
at jdk.test.lib.Asserts.assertEquals(Asserts.java:204)
at jdk.test.lib.Asserts.assertEquals(Asserts.java:191)
at jdk.test.lib.Asserts.assertEQ(Asserts.java:168)
at ProcessToolsLastLineTest.test(ProcessToolsLastLineTest.java:44)
at ProcessToolsLastLineTest.main(ProcessToolsLastLineTest.java:65)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1575)

JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: assertEquals expected: [1.898s][warning][perf,memops] Cannot use file /tmp/hsperfdata_mach5-one/220009 because it is locked by another process (errno = 11)ARG1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX but was: ARG1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

I'm not clear on where issues with jdk/test/lib/process/ProcessTools* live
so I'm putting this in core-libs/<no_sub_cat>.