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Unified Diff: webkit/glue/memory_usage.cc

Issue 11829032: Add a histogram for renderer memory usage. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: . Created 7 years, 11 months ago
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Index: webkit/glue/memory_usage.cc
diff --git a/webkit/glue/memory_usage.cc b/webkit/glue/memory_usage.cc
new file mode 100644
index 0000000000000000000000000000000000000000..19ac20f48d7473d8c55665f464ba2d65d202b337
--- /dev/null
+++ b/webkit/glue/memory_usage.cc
@@ -0,0 +1,54 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "webkit/glue/memory_usage.h"
+
+#include "build/build_config.h"
+
+#if defined(OS_LINUX)
+#include <malloc.h>
+#endif
+
+#include "base/memory/scoped_ptr.h"
+#include "base/process_util.h"
+
+#if defined(OS_LINUX)
+#include "v8/include/v8.h"
+#endif
+
+namespace webkit_glue {
+
+#if defined(OS_LINUX) || defined(OS_ANDROID)
+size_t memoryUsageKB() {
+ struct mallinfo minfo = mallinfo();
+ uint64_t mem_usage =
+#if defined(USE_TCMALLOC)
+ minfo.uordblks
+#else
+ (minfo.hblkhd + minfo.arena)
+#endif
+ >> 10;
+
+ v8::HeapStatistics stat;
+ v8::V8::GetHeapStatistics(&stat);
+ return mem_usage + (static_cast<uint64_t>(stat.total_heap_size()) >> 10);
+}
+#elif defined(OS_MACOSX)
+size_t memoryUsageKB() {
+ scoped_ptr<ProcessMetrics> process_metrics(
+ // The default port provider is sufficient to get data for the current
+ // process.
+ ProcessMetrics::CreateProcessMetrics(base::GetCurrentProcessHandle(),
+ NULL));
+ return process_metrics.GetWorkingSetSize() >> 10;
+}
+#else
+size_t memoryUsageKB() {
+ scoped_ptr<ProcessMetrics> process_metrics(
+ ProcessMetrics::CreateProcessMetrics(base::GetCurrentProcessHandle()));
+ return process_metrics.GetPagefileUsage() >> 10;
+}
+#endif
+
+} // namespace webkit_glue

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