| // 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/process_metrics.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 |