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[Zion] Add more debug information about kernel heap usage.

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This will be helpful as we work to improve it.

Without deallocations, we currently stand at the following alloc numbers
8 - 142
16 - 319
32 - 364

unsized - 305

total page usage including slabs is 12.
This commit is contained in:
Drew Galbraith 2023-11-15 12:36:18 -08:00
parent 4657c46f73
commit 6d27ee5dc5
6 changed files with 87 additions and 35 deletions
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20
zion/memory/slab_allocator.cpp
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@ -93,3 +93,23 @@ glcr::ErrorOr<void*> SlabAllocator::Allocate() {
slabs_.PushFront(glcr::AdoptPtr(new (next_slab) Slab(elem_size_)));
return slabs_.PeekFront()->Allocate();
}
uint64_t SlabAllocator::SlabCount() {
auto slab = slabs_.PeekFront();
uint64_t count = 0;
while (slab) {
count++;
slab = slab->next_;
}
return count;
}
uint64_t SlabAllocator::Allocations() {
auto slab = slabs_.PeekFront();
uint64_t count = 0;
while (slab) {
count += slab->Allocations();
slab = slab->next_;
}
return count;
}