OpenJ9: Xdump Option Builder
Dump Events
User signal i.e. SIGQUIT ("kill -3") / SIGBREAK
User signal 2 i.e. SIGUSR2 (non-Windows only)
General Protection Fault (GPF) or unexpected SIGSEGV
Process abort i.e. SIGABRT
Internal JVM error (assertion failure)
Corrupt shared classes cache
Excessive GC activity
Global GC
VM startup
VM shutdown. Exit code:
Thread started
Thread stopped
Thread blocked
Thread slow/hung. Unresponsive threshold in ms:
Object allocated
Minimum size:
bytes
kilobytes
megabytes
Maximum size:
bytes
kilobytes
megabytes
Exception thrown by Java code
Exception thrown by JVM internals
Exception caught
Exception uncaught
Exception class name:
Method name / offset:
Exception message:
Class loaded
Class unloaded
Class name:
Dump Agents
Write current Java™ thread stack to stderr
Write all Java thread stacks to stderr
Generate a system dump (core file / SYSTDUMP)
Generate a Java dump (Java core)
Generate a PHD heap dump (system dump is usually preferred)
Generate a Snap dump (contents of the JVM's trace buffers)
Generate a JIT dump
Generate an LE CEEDUMP dump (z/OS only)
Shutdown the JVM
Run a shell command:
Asyncronous
Wait:
Dump Options
Obtain exclusive JVM access before dumping
Run global GC before dumping (i.e. remove garbage objects)
Ensure heap is walkable before dumping
Suspend other dumps while dumping
Enable native thread stacks in javacore
First / last events:
(0 = no limit)
Dump priority:
(0 [lowest] - 999 [highest])
Dump file pattern (all dumps except SYSTDUMPs and CEEDUMPs):
Data set pattern (SYSTDUMPs only):
Wrap in quotes (for use in a shell)
Copy option
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