6361589: Print out stack trace for target thread of GC crash

If GC crashed with java thread involved, print out the java stack trace in error report Reviewed-by: never, ysr, coleenp, dholmes
2025-08-27 14:54:52 +02:00 · 2009-12-11 11:09:49 -08:00 · 2009-12-11 11:09:49 -08:00 · 4f656a451e
commit 4f656a451e
parent baf249687c
8 changed files with 74 additions and 9 deletions
--- a/hotspot/src/share/vm/runtime/globals.hpp
+++ b/hotspot/src/share/vm/runtime/globals.hpp
@ -2554,6 +2554,9 @@ class CommandLineFlags {
          "Include miscellaneous runtime verifications in nmethod code; "   \
          "default off because it disturbs nmethod size heuristics")        \
                                                                            \
+  notproduct(bool, CrashGCForDumpingJavaThread, false,                      \
+          "Manually make GC thread crash then dump java stack trace;  "     \
+          "Test only")                                                      \
                                                                            \
  /* compilation */                                                         \
  product(bool, UseCompiler, true,                                          \