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Extending v8::GetHeapStatistics to return total available size.

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For dumping memory statistics about v8 heap, we need the total
available size of the heap. This CL adds extra field in HeapStatistics
to return the available size.

BUG=476013
LOG=Y

Review URL: https://codereview.chromium.org/1104123002

Cr-Commit-Position: refs/heads/master@{#28100}
This commit is contained in:
ssid 2015-04-28 03:57:38 -07:00 committed by Commit bot
parent 12350f16b8
commit 0a1352a716
2 changed files with 3 additions and 0 deletions
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2
include/v8.h
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@ -4776,6 +4776,7 @@ class V8_EXPORT HeapStatistics {
size_t total_heap_size() { return total_heap_size_; }
size_t total_heap_size_executable() { return total_heap_size_executable_; }
size_t total_physical_size() { return total_physical_size_; }
size_t total_available_size() { return total_available_size_; }
size_t used_heap_size() { return used_heap_size_; }
size_t heap_size_limit() { return heap_size_limit_; }
@ -4783,6 +4784,7 @@ class V8_EXPORT HeapStatistics {
size_t total_heap_size_;
size_t total_heap_size_executable_;
size_t total_physical_size_;
size_t total_available_size_;
size_t used_heap_size_;
size_t heap_size_limit_;

1
src/api.cc
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@ -6871,6 +6871,7 @@ void Isolate::GetHeapStatistics(HeapStatistics* heap_statistics) {
heap_statistics->total_heap_size_executable_ =
heap->CommittedMemoryExecutable();
heap_statistics->total_physical_size_ = heap->CommittedPhysicalMemory();
heap_statistics->total_available_size_ = heap->Available();
heap_statistics->used_heap_size_ = heap->SizeOfObjects();
heap_statistics->heap_size_limit_ = heap->MaxReserved();
}