Added page to Observatory to display native memory allocation information.

runtime/vm/profiler_service.h

Index: runtime/vm/profiler_service.h
diff --git a/runtime/vm/profiler_service.h b/runtime/vm/profiler_service.h
index d9205b3b7a1ee851107a8f1778c3f4e0d1de36b1..021c8bcfa9bd5455348c8c05694b963c0e749526 100644
--- a/runtime/vm/profiler_service.h
+++ b/runtime/vm/profiler_service.h
@@ -9,6 +9,7 @@
 #include "vm/code_observers.h"
 #include "vm/globals.h"
 #include "vm/growable_array.h"
+#include "vm/hash_map.h"
 #include "vm/object.h"
 #include "vm/tags.h"
 #include "vm/thread_interrupter.h"
@@ -29,6 +30,7 @@ class ProfileCodeTable;
 class RawCode;
 class RawFunction;
 class SampleFilter;
+class ProcessedSample;
 class ProcessedSampleBuffer;
 
 class ProfileFunctionSourcePosition {
@@ -83,13 +85,15 @@ class ProfileFunction : public ZoneAllocated {
 
   intptr_t exclusive_ticks() const { return exclusive_ticks_; }
   intptr_t inclusive_ticks() const { return inclusive_ticks_; }
-
   void IncInclusiveTicks() { inclusive_ticks_++; }
-
   void Tick(bool exclusive,
             intptr_t inclusive_serial,
             TokenPosition token_position);
 
+  bool contains_native_allocation() const {
+    return contains_native_allocation_;

[Cutch, 2017/03/21 20:27:11]

is this used anywhere? why is it needed?

[bkonyi, 2017/03/22 21:25:21]

Apparently not. Removed.

+  }
+
   static const char* KindToCString(Kind kind);
 
   void PrintToJSONArray(JSONArray* functions);
@@ -119,6 +123,8 @@ class ProfileFunction : public ZoneAllocated {
   intptr_t inclusive_ticks_;
   intptr_t inclusive_serial_;
 
+  bool contains_native_allocation_;
+
   void PrintToJSONObject(JSONObject* func);
   // A |ProfileCode| that contains this function.
   void AddProfileCode(intptr_t code_table_index);
@@ -193,6 +199,10 @@ class ProfileCode : public ZoneAllocated {
   }
   void IncInclusiveTicks() { inclusive_ticks_++; }
 
+  bool contains_native_allocation() const {
+    return contains_native_allocation_;
+  }
+
   bool IsOptimizedDart() const;
   RawCode* code() const { return code_.raw(); }
 
@@ -227,6 +237,8 @@ class ProfileCode : public ZoneAllocated {
   intptr_t inclusive_ticks_;
   intptr_t inclusive_serial_;
 
+  bool contains_native_allocation_;
+
   const Code& code_;
   char* name_;
   int64_t compile_timestamp_;
@@ -257,7 +269,15 @@ class ProfileTrieNode : public ZoneAllocated {
 
   intptr_t count() const { return count_; }
 
-  void Tick() { count_++; }
+  void Tick(ProcessedSample* sample, bool exclusive = false);
+
+  void IncrementAllocation(intptr_t allocation, bool exclusive) {
+    ASSERT(allocation >= 0);
+    if (exclusive) {
+      exclusive_allocations_ += allocation;
+    }
+    inclusive_allocations_ += allocation;
+  }
 
   intptr_t NumChildren() const { return children_.length(); }
 
@@ -284,6 +304,8 @@ class ProfileTrieNode : public ZoneAllocated {
 
   intptr_t table_index_;
   intptr_t count_;
+  intptr_t exclusive_allocations_;
+  intptr_t inclusive_allocations_;
   ZoneGrowableArray<ProfileTrieNode*> children_;
   intptr_t frame_id_;