Describe the bug
Using gcore to generate kube-apiserver coredump, grf failed to analyze.
To Reproduce
Steps to reproduce the behavior:
- Run kube-apiserver
- gcore ${pid}, the core.599019 is nearly 107G
- ./grf core kube-apiserver core.599019 -v 5
- See error
2026-05-20T11:45:42+08:00 info layer=debugger opening core file core.599019 (executable kube-apiserver)
2026-05-20T11:45:43+08:00 debug layer=debugger Adding target 599019 ""
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of s: parametric type without a dictionary
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:50+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:51+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of waitingEntryByData: could not resolve interface type
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:52+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of q: parametric type without a dictionary
2026-05-20T11:45:53+08:00 error layer=debugger could not resolve parametric type of item: parametric type without a dictionary
2026/05/20 11:46:02 reference.go:614: successfully output to `grf.out`
2026-05-20T11:46:02+08:00 debug layer=debugger detaching
go tool pprof show nothing
Expected behavior
go tool pprof will show the memory reference distribution of heap objects
Screenshots
If applicable, add screenshots to help explain your problem.
Goref version:
Please provide the version of goref you are using.
Environment:
The output of go env.
Additional context
Add any other context about the problem here.
Describe the bug
Using gcore to generate kube-apiserver coredump, grf failed to analyze.
To Reproduce
Steps to reproduce the behavior:
go tool pprofshow nothingExpected behavior
go tool pprofwill show the memory reference distribution of heap objectsScreenshots
If applicable, add screenshots to help explain your problem.
Goref version:
Please provide the version of goref you are using.
Environment:
The output of
go env.Additional context
Add any other context about the problem here.