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Commit d44cac5

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Auto merge of #145600 - jieyouxu:rollup-jw0bpnt, r=jieyouxu
Rollup of 15 pull requests Successful merges: - rust-lang/rust#145338 (actually provide the correct args to coroutine witnesses) - rust-lang/rust#145429 (Couple of codegen_fn_attrs improvements) - rust-lang/rust#145452 (Do not strip binaries in bootstrap everytime if they are unchanged) - rust-lang/rust#145464 (Stabilize `const_pathbuf_osstring_new` feature) - rust-lang/rust#145474 (Properly recover from parenthesized use-bounds (precise capturing lists) plus small cleanups) - rust-lang/rust#145486 (Fix `unicode_data.rs` mention message) - rust-lang/rust#145490 (Trace some basic I/O operations in bootstrap) - rust-lang/rust#145493 (remove `should_render` in `PrintAttribute` derive) - rust-lang/rust#145500 (Port must_use to the new target checking) - rust-lang/rust#145505 (Simplify span caches) - rust-lang/rust#145510 (Visit and print async_fut local for async drop.) - rust-lang/rust#145511 (Rust build fails on OpenBSD after using file_lock feature) - rust-lang/rust#145532 (resolve: debug for block module) - rust-lang/rust#145533 (Reorder `lto` options from most to least optimizing) - rust-lang/rust#145537 (Do not consider a `T: !Sized` candidate to satisfy a `T: !MetaSized` obligation.) r? `@ghost` `@rustbot` modify labels: rollup
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‎src/building/bootstrapping/debugging-bootstrap.md‎

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@@ -81,9 +81,11 @@ There are two orthogonal ways to control which kind of tracing logs you want:
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- If you select a level, all events/spans with an equal or higher priority level will be shown.
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2. You can also control the log **target**, e.g. `bootstrap` or `bootstrap::core::config` or a custom target like `CONFIG_HANDLING` or `STEP`.
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- Custom targets are used to limit what kinds of spans you are interested in, as the `BOOTSTRAP_TRACING=trace` output can be quite verbose. Currently, you can use the following custom targets:
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- `CONFIG_HANDLING`: show spans related to config handling
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- `STEP`: show all executed steps. Note that executed commands have `info` event level.
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- `COMMAND`: show all executed commands. Note that executed commands have `trace` event level.
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- `CONFIG_HANDLING`: show spans related to config handling.
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- `STEP`: show all executed steps. Executed commands have `info` event level.
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- `COMMAND`: show all executed commands. Executed commands have `trace` event level.
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- `IO`: show performed I/O operations. Executed commands have `trace` event level.
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- Note that many I/O are currently not being traced.
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You can of course combine them (custom target logs are typically gated behind `TRACE` log level additionally):
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