Update V8 to version 4.1.0.21
This is a cherry-pick of all commits up to and including the
4.1.0.21 cherry-pick in Chromium.
Original commit message:
Version 4.1.0.21 (cherry-pick)
Merged 206e9136bde0f2b5ae8cb77afbb1e7833e5bd412
Unlink pages from the space page list after evacuation.
BUG=430201
LOG=N
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/953813002
Cr-Commit-Position: refs/branch-heads/4.1@{#22}
Cr-Branched-From: 2e08d2a7aa9d65d269d8c57aba82eb38a8cb0a18-refs/heads/candidates@{#25353}
---
FPIIM-449
Change-Id: I8c23c7bbb70772b4858fe8a47b64fa97ee0d1f8c
diff --git a/src/compilation-statistics.h b/src/compilation-statistics.h
new file mode 100644
index 0000000..45ffb9b
--- /dev/null
+++ b/src/compilation-statistics.h
@@ -0,0 +1,86 @@
+// Copyright 2014 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_COMPILATION_STATISTICS_H_
+#define V8_COMPILATION_STATISTICS_H_
+
+#include <map>
+#include <string>
+
+#include "src/allocation.h"
+#include "src/base/platform/time.h"
+
+namespace v8 {
+namespace internal {
+
+class CompilationInfo;
+
+class CompilationStatistics FINAL : public Malloced {
+ public:
+ CompilationStatistics() {}
+
+ class BasicStats {
+ public:
+ BasicStats()
+ : total_allocated_bytes_(0),
+ max_allocated_bytes_(0),
+ absolute_max_allocated_bytes_(0) {}
+
+ void Accumulate(const BasicStats& stats);
+
+ base::TimeDelta delta_;
+ size_t total_allocated_bytes_;
+ size_t max_allocated_bytes_;
+ size_t absolute_max_allocated_bytes_;
+ std::string function_name_;
+ };
+
+ void RecordPhaseStats(const char* phase_kind_name, const char* phase_name,
+ const BasicStats& stats);
+
+ void RecordPhaseKindStats(const char* phase_kind_name,
+ const BasicStats& stats);
+
+ void RecordTotalStats(size_t source_size, const BasicStats& stats);
+
+ private:
+ class TotalStats : public BasicStats {
+ public:
+ TotalStats() : source_size_(0) {}
+ uint64_t source_size_;
+ };
+
+ class OrderedStats : public BasicStats {
+ public:
+ explicit OrderedStats(size_t insert_order) : insert_order_(insert_order) {}
+ size_t insert_order_;
+ };
+
+ class PhaseStats : public OrderedStats {
+ public:
+ PhaseStats(size_t insert_order, const char* phase_kind_name)
+ : OrderedStats(insert_order), phase_kind_name_(phase_kind_name) {}
+ std::string phase_kind_name_;
+ };
+
+ friend std::ostream& operator<<(std::ostream& os,
+ const CompilationStatistics& s);
+
+ typedef OrderedStats PhaseKindStats;
+ typedef std::map<std::string, PhaseKindStats> PhaseKindMap;
+ typedef std::map<std::string, PhaseStats> PhaseMap;
+
+ TotalStats total_stats_;
+ PhaseKindMap phase_kind_map_;
+ PhaseMap phase_map_;
+
+ DISALLOW_COPY_AND_ASSIGN(CompilationStatistics);
+};
+
+std::ostream& operator<<(std::ostream& os, const CompilationStatistics& s);
+
+} // namespace internal
+} // namespace v8
+
+#endif