diff options
Diffstat (limited to 'webkit/child/webkit_child_helpers.cc')
-rw-r--r-- | webkit/child/webkit_child_helpers.cc | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/webkit/child/webkit_child_helpers.cc b/webkit/child/webkit_child_helpers.cc new file mode 100644 index 0000000..6777955 --- /dev/null +++ b/webkit/child/webkit_child_helpers.cc @@ -0,0 +1,53 @@ +// 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/child/webkit_child_helpers.h" + +#if defined(OS_LINUX) +#include <malloc.h> +#endif + +#include "base/logging.h" +#include "base/memory/scoped_ptr.h" +#include "base/process_util.h" +#include "v8/include/v8.h" + +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; + // TODO(svenpanne) The call below doesn't take web workers into account, this + // has to be done manually by iterating over all Isolates involved. + v8::Isolate::GetCurrent()->GetHeapStatistics(&stat); + return mem_usage + (static_cast<uint64_t>(stat.total_heap_size()) >> 10); +} +#elif defined(OS_MACOSX) +size_t MemoryUsageKB() { + scoped_ptr<base::ProcessMetrics> process_metrics( + // The default port provider is sufficient to get data for the current + // process. + base::ProcessMetrics::CreateProcessMetrics( + base::GetCurrentProcessHandle(), NULL)); + return process_metrics->GetWorkingSetSize() >> 10; +} +#else +size_t MemoryUsageKB() { + scoped_ptr<base::ProcessMetrics> process_metrics( + base::ProcessMetrics::CreateProcessMetrics( + base::GetCurrentProcessHandle())); + return process_metrics->GetPagefileUsage() >> 10; +} +#endif + +} // webkit_glue |