[clang-tools-extra] [clang-doc] add ftime profiling (PR #97644)

[Paul Kirth via cfe-commits]

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@@ -670,6 +671,7 @@ llvm::Error ClangDocBitcodeReader::readRecord(unsigned ID, T I) {
 
 template <>
 llvm::Error ClangDocBitcodeReader::readRecord(unsigned ID, Reference *I) {
+  llvm::TimeTraceScope("clang-doc", "readRecord Reference");
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ilovepi wrote:

Why `readRecord Reference`? If you want to describe the fact that you're in `readRecord`, just do that, otherwise, if its a logical thing, `Read Record`. If `reference` is important, its fine to leave, but its not clear to me why. 

https://github.com/llvm/llvm-project/pull/97644