[vm-service] Encode ticks directly as integers, since they are expect to stay in JS integer range.

runtime/vm/profiler_service.cc

 // Copyright (c) 2015, 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/profiler_service.h"
 
 #include "vm/growable_array.h"
 #include "vm/hash_map.h"
 #include "vm/log.h"
 #include "vm/malloc_hooks.h"
@@ skipping 211 matching lines @@
 void ProfileFunction::PrintToJSONObject(JSONObject* func) {
   func->AddProperty("type", "@Function");
   func->AddProperty("name", name());
   func->AddProperty("_kind", KindToCString(kind()));
 }
 
 
 void ProfileFunction::PrintToJSONArray(JSONArray* functions) {
   JSONObject obj(functions);
   obj.AddProperty("kind", KindToCString(kind()));
-  obj.AddPropertyF("inclusiveTicks", "%" Pd "", inclusive_ticks());
-  obj.AddPropertyF("exclusiveTicks", "%" Pd "", exclusive_ticks());
+  obj.AddProperty("inclusiveTicks", inclusive_ticks());
+  obj.AddProperty("exclusiveTicks", exclusive_ticks());
   if (kind() == kDartFunction) {
     ASSERT(!function_.IsNull());
     obj.AddProperty("function", function_);
   } else {
     JSONObject func(&obj, "function");
     PrintToJSONObject(&func);
   }
   {
     JSONArray codes(&obj, "codes");
     for (intptr_t i = 0; i < profile_codes_.length(); i++) {
@@ skipping 256 matching lines @@
       return "Tag";
   }
   UNREACHABLE();
   return NULL;
 }
 
 
 void ProfileCode::PrintToJSONArray(JSONArray* codes) {
   JSONObject obj(codes);
   obj.AddProperty("kind", ProfileCode::KindToCString(kind()));
-  obj.AddPropertyF("inclusiveTicks", "%" Pd "", inclusive_ticks());
-  obj.AddPropertyF("exclusiveTicks", "%" Pd "", exclusive_ticks());
+  obj.AddProperty("inclusiveTicks", inclusive_ticks());
+  obj.AddProperty("exclusiveTicks", exclusive_ticks());
   if (kind() == kDartCode) {
     ASSERT(!code_.IsNull());
     obj.AddProperty("code", code_);
   } else if (kind() == kCollectedCode) {
     PrintCollectedCode(&obj);
   } else if (kind() == kReusedCode) {
     PrintOverwrittenCode(&obj);
   } else if (kind() == kTagCode) {
     PrintTagCode(&obj);
   } else {
     ASSERT(kind() == kNativeCode);
     PrintNativeCode(&obj);
   }
   {
     JSONArray ticks(&obj, "ticks");
     for (intptr_t i = 0; i < address_ticks_.length(); i++) {
       const ProfileCodeAddress& entry = address_ticks_[i];
       ticks.AddValueF("%" Px "", entry.pc());
-      ticks.AddValueF("%" Pd "", entry.exclusive_ticks());
-      ticks.AddValueF("%" Pd "", entry.inclusive_ticks());
+      ticks.AddValue(entry.exclusive_ticks());
+      ticks.AddValue(entry.inclusive_ticks());
     }
   }
 }
 
 
 class ProfileFunctionTable : public ZoneAllocated {
  public:
   ProfileFunctionTable()
       : null_function_(Function::ZoneHandle()),
         unknown_function_(NULL),
@@ skipping 2342 matching lines @@
   // Disable thread interrupts while processing the buffer.
   DisableThreadInterruptsScope dtis(thread);
 
   ClearProfileVisitor clear_profile(isolate);
   sample_buffer->VisitSamples(&clear_profile);
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart