8370071: Clarify jcmd Thread.print help message

Reviewed-by: kevinw

Author: coffeys

src/hotspot/share/services/diagnosticCommand.hpp

@@ -356,7 +356,9 @@ class ThreadDumpDCmd : public DCmdWithParser {
   ThreadDumpDCmd(outputStream* output, bool heap);
   static const char* name() { return "Thread.print"; }
   static const char* description() {
-    return "Print all threads with stacktraces.";
+    return "Print all platform threads, and mounted virtual threads, "
+           "with stack traces. The Thread.dump_to_file command will "
+           "print all threads to a file.";
   }
   static const char* impact() {
     return "Medium: Depends on the number of threads.";
@@ -768,7 +770,8 @@ class ThreadDumpToFileDCmd : public DCmdWithParser {
     return "Thread.dump_to_file";
   }
   static const char *description() {
-    return "Dump threads, with stack traces, to a file in plain text or JSON format.";
+    return "Dump all threads, with stack traces, "
+           "to a file in plain text or JSON format.";
   }
   static const char* impact() {
     return "Medium: Depends on the number of threads.";

src/jdk.jcmd/share/man/jcmd.md

@@ -1,5 +1,5 @@
 ---
-# Copyright (c) 2012, 2024, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2012, 2025, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -704,7 +704,7 @@ The following commands are available:
     Impact: Low
 
 `Thread.dump_to_file` \[*options*\] *filepath*
-:   Dump threads, with stack traces, to a file in plain text or JSON format.
+:   Dump all threads, with stack traces, to a file in plain text or JSON format.
 
     Impact: Medium: Depends on the number of threads.
 
@@ -723,7 +723,8 @@ The following commands are available:
     -   *filepath*:  The file path to the output file.  If %p is specified in the filename, it is expanded to the JVM's PID.  (FILE, no default value)
 
 `Thread.print` \[*options*\]
-:   Prints all threads with stacktraces.
+:   Print all platform threads, and mounted virtual threads, with stack traces.
+    The Thread.dump_to_file command will print all threads to a file.
 
     Impact: Medium --- depends on the number of threads.