code-stats.h

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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef V8_HEAP_CODE_STATS_H_
#define V8_HEAP_CODE_STATS_H_
 
namespace v8 {
namespace internal {
 
class AbstractCode;
class CodeCommentsIterator;
class HeapObject;
class Isolate;
class OldLargeObjectSpace;
class PagedSpace;
template <typename T>
class Tagged;
 
class CodeStatistics {
 public:
  // Collect statistics related to code size.
  static void CollectCodeStatistics(PagedSpace* space, Isolate* isolate);
 
  // Collect statistics related to code size from large object space.
  static void CollectCodeStatistics(OldLargeObjectSpace* space,
                                    Isolate* isolate);
 
  // Reset code size related statistics
  static void ResetCodeAndMetadataStatistics(Isolate* isolate);
 
#ifdef DEBUG
  // Report statistics about code kind, code+metadata and code comments.
  static void ReportCodeStatistics(Isolate* isolate);
#endif
 
 private:
  static void RecordCodeAndMetadataStatistics(Tagged<HeapObject> object,
                                              Isolate* isolate);
 
#ifdef DEBUG
  static void ResetCodeStatistics(Isolate* isolate);
#endif
};
 
}  // namespace internal
}  // namespace v8
 
#endif  // V8_HEAP_CODE_STATS_H_