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Add basic output of where memory is stored after a compile. (#4136)

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The output is really basic, I'm just adding this to help track how
memory is allocated.

```
---
filename:        'check/testdata/expr_category/in_place_tuple_init.carbon'
source_:
  used_bytes:      8057
  reserved_bytes:  8057
tokens_.allocator_:
  used_bytes:      0
  reserved_bytes:  0
tokens_.token_infos_:
  used_bytes:      1040
  reserved_bytes:  2032

(eliding)

value_stores_.string_literals_.set_:
  used_bytes:      320
  reserved_bytes:  320
Total:
  used_bytes:      20609
  reserved_bytes:  29437
...
```

---------

Co-authored-by: josh11b <15258583+josh11b@users.noreply.github.com>
This commit is contained in:
Jon Ross-Perkins
2024-07-16 23:11:01 +00:00
committed by GitHub
co-authored by josh11b
parent cd7c10b8e2
commit f1190a4792
20 changed files with 354 additions and 2 deletions
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toolchain/parse/tree.cpp
+6
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@@ -173,6 +173,12 @@ auto Tree::Print(llvm::raw_ostream& output, bool preorder) const -> void {
output << " ]\n";
}
auto Tree::CollectMemUsage(MemUsage& mem_usage, llvm::StringRef label) const
-> void {
mem_usage.Add(MemUsage::ConcatLabel(label, "node_impls_"), node_impls_);
mem_usage.Add(MemUsage::ConcatLabel(label, "imports_"), imports_);
}
auto Tree::VerifyExtract(NodeId node_id, NodeKind kind,
ErrorBuilder* trace) const -> bool {
switch (kind) {