Reviewers: Yang,
Message:
PTAL
Description:
Add flag to trace the amount of external memory.
[email protected]
Please review this at https://chromiumcodereview.appspot.com/10824196/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M src/flag-definitions.h
M src/heap-inl.h
Index: src/flag-definitions.h
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index
714bd8b952443e2e3545f6e6480384f0ebe44867..de9e6eb638548ab34f269bbb144d1da13ff6c8eb
100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -370,6 +370,9 @@ DEFINE_bool(trace_gc_verbose, false,
"print more details following each garbage collection")
DEFINE_bool(trace_fragmentation, false,
"report fragmentation for old pointer and data pages")
+DEFINE_bool(trace_external_memory, false,
+ "print amount of external allocated memory after each time "
+ "it is adjusted.")
DEFINE_bool(collect_maps, true,
"garbage collect maps from which no objects can be reached")
DEFINE_bool(flush_code, true,
Index: src/heap-inl.h
diff --git a/src/heap-inl.h b/src/heap-inl.h
index
d5b0f50ea449e54f9afb24cda5b6ff20340805c1..4a827fef176fd57cafb2c929bb834cd229737aaa
100644
--- a/src/heap-inl.h
+++ b/src/heap-inl.h
@@ -487,6 +487,13 @@ intptr_t Heap::AdjustAmountOfExternalAllocatedMemory(
amount_of_external_allocated_memory_at_last_global_gc_ = 0;
}
}
+ if (FLAG_trace_external_memory) {
+ PrintPID("%8.0f ms: ", isolate()->time_millis_since_init());
+ PrintF("Adjust amount of external memory: delta=%6" V8_PTR_PREFIX "d
KB, "
+ " amount=%6" V8_PTR_PREFIX "d KB, isolate=0x%08"
V8PRIxPTR ".\n",
+ change_in_bytes / 1024, amount_of_external_allocated_memory_ /
1024,
+ reinterpret_cast<intptr_t>(isolate()));
+ }
ASSERT(amount_of_external_allocated_memory_ >= 0);
return amount_of_external_allocated_memory_;
}
--
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