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Add some rmeta instrumentation #137090

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saethlin wants to merge 2 commits into from
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Add some rmeta instrumentation #137090

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f459aef
Add some rmeta instrumentation
saethlin Feb 15, 2025
b88d2fd
instrument harder
saethlin Feb 15, 2025
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1 change: 1 addition & 0 deletions compiler/rustc_metadata/src/rmeta/encoder.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -599,6 +599,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> {
macro_rules! stat {
($label:literal, $f:expr) => {{
let orig_pos = self.position();
$label.encode(&mut self.opaque);
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@bjorn3 bjorn3 Feb 15, 2025

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Maybe format!("<<{}>>", $label).encode(&mut self.opaque) to make it a bit clearer that it is a label rather than just a random string?

let res = $f();
stats.push(($label, self.position() - orig_pos));
res
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