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authorbors <bors@rust-lang.org>2024-09-25 16:48:05 +0000
committerbors <bors@rust-lang.org>2024-09-25 16:48:05 +0000
commit1de266fa01eabbd9b92a81c866b875c09de6158b (patch)
treeca52d0a16d6ec95134e8ac5cfa32e6fb8d4be1be /compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp
parent34aff74fb06e78fb9cd1a66acafb6d150638de35 (diff)
parent4e4f01699ec7d637a1f00cb3e7c531327a0b6b7d (diff)
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Auto merge of #18181 - davidbarsky:davidbarsky/push-nzstpumovmmx, r=davidbarsky
internal: add tracing to project discovery and VFS loading

With `"env RA_PROFILE=vfs_load|parallel_prime_caches|discover_command>500`, this results in the following output:

```
21888ms discover_command
11627ms vfs_load @ total = 701
1503ms vfs_load @ total = 701
30211ms parallel_prime_caches
```

As a followup, I'd like to make hprof emit the information above as JSON.
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