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scylla-gdb.py: scylla-fiber: add support for walking over when_all

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Botond Dénes
2022-10-21 10:58:03 +03:00
parent cb8f02e24b
commit 48bbf2e467
1 changed files with 7 additions and 0 deletions
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scylla-gdb.py
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@@ -3673,6 +3673,13 @@ class scylla_fiber(gdb.Command):
return res
return None
if name.startswith('vtable for seastar::internal::when_all_state'):
when_all_state_base_ptr_type = gdb.lookup_type('seastar::internal::when_all_state_base').pointer()
when_all_state_base = gdb.Value(int(ptr_meta.ptr)).reinterpret_cast(when_all_state_base_ptr_type)
ptr = int(when_all_state_base['_continuation'])
self._maybe_log("Current task is a when_all_state, looking for references to its continuation field 0x{:x}\n".format(ptr), verbose)
return self._probe_pointer(ptr, scanned_region_size, using_seastar_allocator, verbose)
# Async work items will have references on the remote shard, so we first
# have to find out which is the remote shard and then switch to it.
# Have to match the start of the name, as async_work_item kicks off