[PATCH] D55133: [CTU] Add statistics

[Gabor Marton via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL348584: [CTU] Add statistics (authored by martong, committed by ).
Herald added a subscriber: llvm-commits.

Changed prior to commit:
  https://reviews.llvm.org/D55133?vs=176655&id=177173#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55133/new/

https://reviews.llvm.org/D55133

Files:
  cfe/trunk/lib/CrossTU/CrossTranslationUnit.cpp


Index: cfe/trunk/lib/CrossTU/CrossTranslationUnit.cpp
===================================================================
--- cfe/trunk/lib/CrossTU/CrossTranslationUnit.cpp
+++ cfe/trunk/lib/CrossTU/CrossTranslationUnit.cpp
@@ -21,6 +21,7 @@
 #include "clang/Frontend/TextDiagnosticPrinter.h"
 #include "clang/Index/USRGeneration.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/Path.h"
@@ -32,6 +33,15 @@
 namespace cross_tu {
 
 namespace {
+#define DEBUG_TYPE "CrossTranslationUnit"
+STATISTIC(NumGetCTUCalled, "The # of getCTUDefinition function called");
+STATISTIC(
+    NumNotInOtherTU,
+    "The # of getCTUDefinition called but the function is not in any other TU");
+STATISTIC(NumGetCTUSuccess,
+          "The # of getCTUDefinition successfully returned the "
+          "requested function's body");
+
 // FIXME: This class is will be removed after the transition to llvm::Error.
 class IndexErrorCategory : public std::error_category {
 public:
@@ -151,6 +161,7 @@
                                                   StringRef CrossTUDir,
                                                   StringRef IndexName) {
   assert(!FD->hasBody() && "FD has a definition in current translation unit!");
+  ++NumGetCTUCalled;
   const std::string LookupFnName = getLookupName(FD);
   if (LookupFnName.empty())
     return llvm::make_error<IndexError>(
@@ -216,8 +227,10 @@
     }
 
     auto It = FunctionFileMap.find(LookupName);
-    if (It == FunctionFileMap.end())
+    if (It == FunctionFileMap.end()) {
+      ++NumNotInOtherTU;
       return llvm::make_error<IndexError>(index_error_code::missing_definition);
+    }
     StringRef ASTFileName = It->second;
     auto ASTCacheEntry = FileASTUnitMap.find(ASTFileName);
     if (ASTCacheEntry == FileASTUnitMap.end()) {
@@ -250,6 +263,7 @@
       cast<FunctionDecl>(Importer.Import(const_cast<FunctionDecl *>(FD)));
   assert(ToDecl->hasBody());
   assert(FD->hasBody() && "Functions already imported should have body.");
+  ++NumGetCTUSuccess;
   return ToDecl;
 }
 


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