forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			93 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			93 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===--- ClangTidyProfiling.cpp - clang-tidy --------------------*- C++ -*-===//
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| //
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| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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| // See https://llvm.org/LICENSE.txt for license information.
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| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #include "ClangTidyProfiling.h"
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| #include "llvm/ADT/STLExtras.h"
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| #include "llvm/ADT/SmallString.h"
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| #include "llvm/Support/FileSystem.h"
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| #include "llvm/Support/Path.h"
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| #include "llvm/Support/YAMLTraits.h"
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| #include "llvm/Support/raw_ostream.h"
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| #include <system_error>
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| #include <utility>
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| 
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| #define DEBUG_TYPE "clang-tidy-profiling"
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| 
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| namespace clang {
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| namespace tidy {
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| 
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| ClangTidyProfiling::StorageParams::StorageParams(llvm::StringRef ProfilePrefix,
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|                                                  llvm::StringRef SourceFile)
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|     : Timestamp(std::chrono::system_clock::now()), SourceFilename(SourceFile) {
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|   llvm::SmallString<32> TimestampStr;
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|   llvm::raw_svector_ostream OS(TimestampStr);
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|   llvm::format_provider<decltype(Timestamp)>::format(Timestamp, OS,
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|                                                      "%Y%m%d%H%M%S%N");
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| 
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|   llvm::SmallString<256> FinalPrefix(ProfilePrefix);
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|   llvm::sys::path::append(FinalPrefix, TimestampStr);
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| 
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|   // So the full output name is: /ProfilePrefix/timestamp-inputfilename.json
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|   StoreFilename = llvm::Twine(FinalPrefix + "-" +
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|                               llvm::sys::path::filename(SourceFile) + ".json")
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|                       .str();
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| }
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| 
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| void ClangTidyProfiling::printUserFriendlyTable(llvm::raw_ostream &OS) {
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|   TG->print(OS);
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|   OS.flush();
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| }
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| 
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| void ClangTidyProfiling::printAsJSON(llvm::raw_ostream &OS) {
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|   OS << "{\n";
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|   OS << "\"file\": \"" << Storage->SourceFilename << "\",\n";
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|   OS << "\"timestamp\": \"" << Storage->Timestamp << "\",\n";
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|   OS << "\"profile\": {\n";
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|   TG->printJSONValues(OS, "");
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|   OS << "\n}\n";
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|   OS << "}\n";
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|   OS.flush();
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| }
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| 
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| void ClangTidyProfiling::storeProfileData() {
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|   assert(Storage.hasValue() && "We should have a filename.");
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| 
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|   llvm::SmallString<256> OutputDirectory(Storage->StoreFilename);
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|   llvm::sys::path::remove_filename(OutputDirectory);
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|   if (std::error_code EC = llvm::sys::fs::create_directories(OutputDirectory)) {
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|     llvm::errs() << "Unable to create output directory '" << OutputDirectory
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|                  << "': " << EC.message() << "\n";
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|     return;
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|   }
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| 
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|   std::error_code EC;
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|   llvm::raw_fd_ostream OS(Storage->StoreFilename, EC, llvm::sys::fs::OF_None);
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|   if (EC) {
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|     llvm::errs() << "Error opening output file '" << Storage->StoreFilename
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|                  << "': " << EC.message() << "\n";
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|     return;
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|   }
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| 
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|   printAsJSON(OS);
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| }
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| 
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| ClangTidyProfiling::ClangTidyProfiling(llvm::Optional<StorageParams> Storage)
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|     : Storage(std::move(Storage)) {}
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| 
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| ClangTidyProfiling::~ClangTidyProfiling() {
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|   TG.emplace("clang-tidy", "clang-tidy checks profiling", Records);
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| 
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|   if (!Storage.hasValue())
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|     printUserFriendlyTable(llvm::errs());
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|   else
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|     storeProfileData();
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| }
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| 
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| } // namespace tidy
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| } // namespace clang
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