2 files changed, 27 insertions, 6 deletions
diff --git a/android-emu/android/base/Tracing.cpp b/android-emu/android/base/Tracing.cpp
index 59090428..0e635db1 100644
--- a/android-emu/android/base/Tracing.cpp
+++ b/android-emu/android/base/Tracing.cpp
@@ -25,11 +25,11 @@
 namespace android {
 namespace base {
 
-void ScopedTrace::beginTraceImpl(const char* name) {
+void ScopedTraceGuest::beginTraceImpl(const char* name) {
     atrace_begin(VK_TRACE_TAG, name);
 }
 
-void ScopedTrace::endTraceImpl(const char*) {
+void ScopedTraceGuest::endTraceImpl(const char*) {
     atrace_end(VK_TRACE_TAG);
 }
 
@@ -47,13 +47,13 @@ void ScopedTrace::endTraceImpl(const char*) {
 namespace android {
 namespace base {
 
-void ScopedTrace::beginTraceImpl(const char* name) {
+void ScopedTraceGuest::beginTraceImpl(const char* name) {
 #ifndef FUCHSIA_NO_TRACE
     TRACE_DURATION_BEGIN(VK_TRACE_TAG, name);
 #endif
 }
 
-void ScopedTrace::endTraceImpl(const char* name) {
+void ScopedTraceGuest::endTraceImpl(const char* name) {
 #ifndef FUCHSIA_NO_TRACE
     TRACE_DURATION_END(VK_TRACE_TAG, name);
 #endif
diff --git a/android-emu/android/base/Tracing.h b/android-emu/android/base/Tracing.h
index 046a5bf0..3a78726e 100644
--- a/android-emu/android/base/Tracing.h
+++ b/android-emu/android/base/Tracing.h
@@ -19,13 +19,30 @@
 namespace android {
 namespace base {
 
+#ifdef HOST_BUILD
+void initializeTracing();
+void enableTracing();
+void disableTracing();
+
 class ScopedTrace {
 public:
-    ScopedTrace(const char* name) : name_(name) {
+    ScopedTrace(const char* name);
+    ~ScopedTrace();
+};
+
+class ScopedTraceDerived : public ScopedTrace {
+public:
+    void* member = nullptr;
+};
+#endif
+
+class ScopedTraceGuest {
+public:
+    ScopedTraceGuest(const char* name) : name_(name) {
         beginTraceImpl(name_);
     }
 
-    ~ScopedTrace() {
+    ~ScopedTraceGuest() {
         endTraceImpl(name_);
     }
 private:
@@ -42,4 +59,8 @@ private:
 #define __AEMU_GENSYM1(x,y) __AEMU_GENSYM2(x,y)
 #define AEMU_GENSYM(x) __AEMU_GENSYM1(x,__COUNTER__)
 
+#ifdef HOST_BUILD
 #define AEMU_SCOPED_TRACE(tag) __attribute__ ((unused)) android::base::ScopedTrace AEMU_GENSYM(aemuScopedTrace_)(tag)
+#else
+#define AEMU_SCOPED_TRACE(tag) __attribute__ ((unused)) android::base::ScopedTraceGuest AEMU_GENSYM(aemuScopedTrace_)(tag)
+#endif