1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "webkit/child/webkit_child_helpers.h" 6 7 #if defined(OS_LINUX) 8 #include <malloc.h> 9 #endif 10 11 #include "base/logging.h" 12 #include "base/memory/scoped_ptr.h" 13 #include "base/process/process_metrics.h" 14 #include "v8/include/v8.h" 15 16 namespace webkit_glue { 17 18 #if defined(OS_LINUX) || defined(OS_ANDROID) 19 size_t MemoryUsageKB() { 20 struct mallinfo minfo = mallinfo(); 21 uint64_t mem_usage = 22 #if defined(USE_TCMALLOC) 23 minfo.uordblks 24 #else 25 (minfo.hblkhd + minfo.arena) 26 #endif 27 >> 10; 28 29 v8::HeapStatistics stat; 30 // TODO(svenpanne) The call below doesn't take web workers into account, this 31 // has to be done manually by iterating over all Isolates involved. 32 v8::Isolate::GetCurrent()->GetHeapStatistics(&stat); 33 return mem_usage + (static_cast<uint64_t>(stat.total_heap_size()) >> 10); 34 } 35 #elif defined(OS_MACOSX) 36 size_t MemoryUsageKB() { 37 scoped_ptr<base::ProcessMetrics> process_metrics( 38 // The default port provider is sufficient to get data for the current 39 // process. 40 base::ProcessMetrics::CreateProcessMetrics( 41 base::GetCurrentProcessHandle(), NULL)); 42 return process_metrics->GetWorkingSetSize() >> 10; 43 } 44 #else 45 size_t MemoryUsageKB() { 46 scoped_ptr<base::ProcessMetrics> process_metrics( 47 base::ProcessMetrics::CreateProcessMetrics( 48 base::GetCurrentProcessHandle())); 49 return process_metrics->GetPagefileUsage() >> 10; 50 } 51 #endif 52 53 } // webkit_glue 54
