[heap] Do not print isoalte address twice in --trace-gc-nvp.

src/heap/gc-tracer.cc

Index: src/heap/gc-tracer.cc
diff --git a/src/heap/gc-tracer.cc b/src/heap/gc-tracer.cc
index 56f9b43a3ff49bf0f5e91eb5f1d4b1a78125a568..231c4e9c8d76f15d6d9cb5d2b40f74cfdb8b7644 100644
--- a/src/heap/gc-tracer.cc
+++ b/src/heap/gc-tracer.cc
@@ -401,7 +401,7 @@ void GCTracer::PrintNVP() const {
   switch (current_.type) {
     case Event::SCAVENGER:
       PrintIsolate(heap_->isolate(),
-                   "[I:%p] %8.0f ms: "
+                   "%8.0f ms: "
                    "pause=%.1f "
                    "mutator=%.1f "
                    "gc=%s "
@@ -415,14 +415,22 @@ void GCTracer::PrintNVP() const {
                    "object_groups=%.2f "
                    "steps_count=%d "
                    "steps_took=%.1f "
-                   "scavenge_throughput=%" V8_PTR_PREFIX "d "
-                   "total_size_before=%" V8_PTR_PREFIX "d "
-                   "total_size_after=%" V8_PTR_PREFIX "d "
-                   "holes_size_before=%" V8_PTR_PREFIX "d "
-                   "holes_size_after=%" V8_PTR_PREFIX "d "
-                   "allocated=%" V8_PTR_PREFIX "d "
-                   "promoted=%" V8_PTR_PREFIX "d "
-                   "semi_space_copied=%" V8_PTR_PREFIX "d "
+                   "scavenge_throughput=%" V8_PTR_PREFIX
+                   "d "
+                   "total_size_before=%" V8_PTR_PREFIX
+                   "d "
+                   "total_size_after=%" V8_PTR_PREFIX
+                   "d "
+                   "holes_size_before=%" V8_PTR_PREFIX
+                   "d "
+                   "holes_size_after=%" V8_PTR_PREFIX
+                   "d "
+                   "allocated=%" V8_PTR_PREFIX
+                   "d "
+                   "promoted=%" V8_PTR_PREFIX
+                   "d "
+                   "semi_space_copied=%" V8_PTR_PREFIX
+                   "d "
                    "nodes_died_in_new=%d "
                    "nodes_copied_in_new=%d "
                    "nodes_promoted=%d "
@@ -430,13 +438,11 @@ void GCTracer::PrintNVP() const {
                    "average_survival_ratio=%.1f%% "
                    "promotion_rate=%.1f%% "
                    "semi_space_copy_rate=%.1f%% "
-                   "new_space_allocation_throughput=%" V8_PTR_PREFIX "d "
+                   "new_space_allocation_throughput=%" V8_PTR_PREFIX
+                   "d "
                    "context_disposal_rate=%.1f\n",
-                   heap_->isolate(),
-                   heap_->isolate()->time_millis_since_init(),
-                   duration,
-                   spent_in_mutator,
-                   current_.TypeName(true),
+                   heap_->isolate()->time_millis_since_init(), duration,
+                   spent_in_mutator, current_.TypeName(true),
                    current_.reduce_memory,
                    current_.scopes[Scope::SCAVENGER_SCAVENGE],
                    current_.scopes[Scope::SCAVENGER_OLD_TO_NEW_POINTERS],
@@ -462,7 +468,7 @@ void GCTracer::PrintNVP() const {
     case Event::MARK_COMPACTOR:
     case Event::INCREMENTAL_MARK_COMPACTOR:
       PrintIsolate(heap_->isolate(),
-                   "[I:%p] %8.0f ms: "
+                   "%8.0f ms: "
                    "pause=%.1f "
                    "mutator=%.1f "
                    "gc=%s "
@@ -528,8 +534,8 @@ void GCTracer::PrintNVP() const {
                    "new_space_allocation_throughput=%" V8_PTR_PREFIX
                    "d "
                    "context_disposal_rate=%.1f\n",
-                   heap_->isolate(), heap_->isolate()->time_millis_since_init(),
-                   duration, spent_in_mutator, current_.TypeName(true),
+                   heap_->isolate()->time_millis_since_init(), duration,
+                   spent_in_mutator, current_.TypeName(true),
                    current_.reduce_memory, current_.scopes[Scope::EXTERNAL],
                    current_.scopes[Scope::MC_MARK],
                    current_.scopes[Scope::MC_MARK_FINISH_INCREMENTAL],