Updated MallocHooks to collect stack traces when memory is allocated.

runtime/vm/service.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/service.h"
 
 #include "include/dart_api.h"
 #include "include/dart_native_api.h"
 #include "platform/globals.h"
 
@@ skipping 3197 matching lines @@
     const Class& cls = Class::Handle(GetClassForId(isolate, cid));
     ProfilerService::PrintAllocationJSON(js, tag_order, cls, time_origin_micros,
                                          time_extent_micros);
   } else {
     PrintInvalidParamError(js, "classId");
   }
   return true;
 }
 
 
+static const MethodParameter* get_native_allocation_samples_params[] = {
+    RUNNABLE_ISOLATE_PARAMETER,
+    new EnumParameter("tags", true, tags_enum_names),
+    new Int64Parameter("timeOriginMicros", false),
+    new Int64Parameter("timeExtentMicros", false),
+    NULL,
+};
+
+
+static bool GetNativeAllocationSamples(Thread* thread, JSONStream* js) {
+  Profile::TagOrder tag_order =
+      EnumMapper(js->LookupParam("tags"), tags_enum_names, tags_enum_values);
+  int64_t time_origin_micros =
+      Int64Parameter::Parse(js->LookupParam("timeOriginMicros"));
+  int64_t time_extent_micros =
+      Int64Parameter::Parse(js->LookupParam("timeExtentMicros"));
+  ProfilerService::PrintNativeAllocationJSON(js, tag_order, time_origin_micros,
+                                             time_extent_micros);
+  return true;
+}
+
+
 static const MethodParameter* clear_cpu_profile_params[] = {
     RUNNABLE_ISOLATE_PARAMETER, NULL,
 };
 
 
 static bool ClearCpuProfile(Thread* thread, JSONStream* js) {
   ProfilerService::ClearSamples();
   PrintSuccess(js);
   return true;
 }
@@ skipping 806 matching lines @@
   { "_clearVMTimeline", ClearVMTimeline,
     clear_vm_timeline_params, },
   { "evaluate", Evaluate,
     evaluate_params },
   { "evaluateInFrame", EvaluateInFrame,
     evaluate_in_frame_params },
   { "_getAllocationProfile", GetAllocationProfile,
     get_allocation_profile_params },
   { "_getAllocationSamples", GetAllocationSamples,
       get_allocation_samples_params },
+  { "_getNativeAllocationSamples", GetNativeAllocationSamples,
+      get_native_allocation_samples_params },
   { "getClassList", GetClassList,
     get_class_list_params },
   { "_getCpuProfile", GetCpuProfile,
     get_cpu_profile_params },
   { "_getCpuProfileTimeline", GetCpuProfileTimeline,
     get_cpu_profile_timeline_params },
   { "getFlagList", GetFlagList,
     get_flag_list_params },
   { "_getHeapMap", GetHeapMap,
     get_heap_map_params },
@@ skipping 81 matching lines @@
     if (strcmp(method_name, method.name) == 0) {
       return &method;
     }
   }
   return NULL;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart