Enhance clang_getCXTUResourceUsage() to report how much memory is used by SourceManager's memory buffers.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130433 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index 26e4af4..364120c 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -5226,6 +5226,12 @@
case CXTUResourceUsage_AST_SideTables:
str = "ASTContext: side tables";
break;
+ case CXTUResourceUsage_SourceManager_Membuffer_Malloc:
+ str = "SourceManager: malloc'ed memory buffers";
+ break;
+ case CXTUResourceUsage_SourceManager_Membuffer_MMap:
+ str = "SourceManager: mmap'ed memory buffers";
+ break;
}
return str;
}
@@ -5270,7 +5276,17 @@
createCXTUResourceUsageEntry(*entries,
CXTUResourceUsage_SourceManagerContentCache,
(unsigned long) astContext.getSourceManager().getContentCacheSize());
-
+
+ // How much memory is being used by the MemoryBuffer's in SourceManager?
+ const SourceManager::MemoryBufferSizes &srcBufs =
+ astUnit->getSourceManager().getMemoryBufferSizes();
+
+ createCXTUResourceUsageEntry(*entries,
+ CXTUResourceUsage_SourceManager_Membuffer_Malloc,
+ (unsigned long) srcBufs.malloc_bytes);
+ createCXTUResourceUsageEntry(*entries,
+ CXTUResourceUsage_SourceManager_Membuffer_MMap,
+ (unsigned long) srcBufs.mmap_bytes);
CXTUResourceUsage usage = { (void*) entries.get(),
(unsigned) entries->size(),