HeapProfiler: for the test purposes we would like to trace object movements.

src/flag-definitions.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 523 matching lines @@
 DEFINE_bool(track_gc_object_stats, false,
             "track object counts and memory usage")
 DEFINE_bool(parallel_sweeping, true, "enable parallel sweeping")
 DEFINE_bool(concurrent_sweeping, false, "enable concurrent sweeping")
 DEFINE_int(sweeper_threads, 0,
            "number of parallel and concurrent sweeping threads")
 #ifdef VERIFY_HEAP
 DEFINE_bool(verify_heap, false, "verify heap pointers before and after GC")
 #endif
 
+
+// heap-snapshot-generator.cc
+DEFINE_bool(heap_profiler_trace_objects, false,

[yurys, 2013/10/17 13:20:54]

May be log_heap_profiler

[loislo, 2013/10/17 13:34:13]

I think it is more precise name. Heap objects tracking is a specific task so it
definitely need a separate flag.

+            "dump heap object allocations/movements/size_updates")

[yurys, 2013/10/17 13:20:54]

style: dump -> Dump

[loislo, 2013/10/17 13:34:13]

Done.

+
+
 // v8.cc
 DEFINE_bool(use_idle_notification, true,
             "Use idle notification to reduce memory footprint.")
 // ic.cc
 DEFINE_bool(use_ic, true, "use inline caching")
 
 // macro-assembler-ia32.cc
 DEFINE_bool(native_code_counters, false,
             "generate extra code for manipulating stats counters")
 
@@ skipping 319 matching lines @@
 #undef DEFINE_ALIAS_float
 #undef DEFINE_ALIAS_args
 
 #undef FLAG_MODE_DECLARE
 #undef FLAG_MODE_DEFINE
 #undef FLAG_MODE_DEFINE_DEFAULTS
 #undef FLAG_MODE_META
 #undef FLAG_MODE_DEFINE_IMPLICATIONS
 
 #undef COMMA