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| 1 // Copyright 2015 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 "components/web_cache/renderer/web_cache_memory_dump_provider.h" |
| 6 |
| 7 #include "base/format_macros.h" |
| 8 #include "base/strings/stringprintf.h" |
| 9 #include "base/trace_event/memory_allocator_dump.h" |
| 10 #include "base/trace_event/memory_dump_manager.h" |
| 11 #include "base/trace_event/process_memory_dump.h" |
| 12 #include "third_party/WebKit/public/web/WebCache.h" |
| 13 |
| 14 namespace web_cache { |
| 15 namespace { |
| 16 |
| 17 void DumpResourceStats(blink::WebCache::ResourceTypeStat resource_stat, |
| 18 const std::string resource_name, |
| 19 base::trace_event::ProcessMemoryDump* pmd) { |
| 20 base::trace_event::MemoryAllocatorDump* allocator_dump = |
| 21 pmd->CreateAllocatorDump(resource_name); |
| 22 allocator_dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, |
| 23 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
| 24 resource_stat.size); |
| 25 allocator_dump->AddScalar( |
| 26 base::trace_event::MemoryAllocatorDump::kNameObjectsCount, |
| 27 base::trace_event::MemoryAllocatorDump::kUnitsObjects, |
| 28 resource_stat.count); |
| 29 allocator_dump->AddScalar("live_size", |
| 30 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
| 31 resource_stat.liveSize); |
| 32 allocator_dump->AddScalar("decoded_size", |
| 33 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
| 34 resource_stat.decodedSize); |
| 35 } |
| 36 |
| 37 } // namespace |
| 38 |
| 39 // static |
| 40 WebCacheMemoryDumpProvider* WebCacheMemoryDumpProvider::GetInstance() { |
| 41 return Singleton<WebCacheMemoryDumpProvider, |
| 42 LeakySingletonTraits<WebCacheMemoryDumpProvider>>::get(); |
| 43 } |
| 44 |
| 45 WebCacheMemoryDumpProvider::WebCacheMemoryDumpProvider() {} |
| 46 |
| 47 WebCacheMemoryDumpProvider::~WebCacheMemoryDumpProvider() {} |
| 48 |
| 49 bool WebCacheMemoryDumpProvider::OnMemoryDump( |
| 50 const base::trace_event::MemoryDumpArgs& args, |
| 51 base::trace_event::ProcessMemoryDump* pmd) { |
| 52 blink::WebCache::UsageStats memory_stats = {0}; |
| 53 blink::WebCache::getUsageStats(&memory_stats); |
| 54 |
| 55 uint64 tracing_process_id = |
| 56 base::trace_event::MemoryDumpManager::GetInstance() |
| 57 ->GetTracingProcessId(); |
| 58 std::string dump_name = |
| 59 base::StringPrintf("web_cache/renderer_%" PRIx64, tracing_process_id); |
| 60 base::trace_event::MemoryAllocatorDump* allocator_dump = |
| 61 pmd->CreateAllocatorDump(dump_name); |
| 62 |
| 63 allocator_dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize, |
| 64 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
| 65 memory_stats.liveSize + memory_stats.deadSize); |
| 66 allocator_dump->AddScalar("live_size", |
| 67 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
| 68 memory_stats.liveSize); |
| 69 allocator_dump->AddScalar("dead_size", |
| 70 base::trace_event::MemoryAllocatorDump::kUnitsBytes, |
| 71 memory_stats.deadSize); |
| 72 |
| 73 blink::WebCache::ResourceTypeStats resource_stats; |
| 74 blink::WebCache::getResourceTypeStats(&resource_stats); |
| 75 DumpResourceStats(resource_stats.images, dump_name + "/images", pmd); |
| 76 DumpResourceStats(resource_stats.cssStyleSheets, |
| 77 dump_name + "/css_style_sheets", pmd); |
| 78 DumpResourceStats(resource_stats.scripts, dump_name + "/scripts", pmd); |
| 79 DumpResourceStats(resource_stats.xslStyleSheets, |
| 80 dump_name + "/xsl_style_sheets", pmd); |
| 81 DumpResourceStats(resource_stats.fonts, dump_name + "/fonts", pmd); |
| 82 DumpResourceStats(resource_stats.other, dump_name + "/other", pmd); |
| 83 |
| 84 auto shared_guid = base::trace_event::MemoryAllocatorDumpGuid( |
| 85 base::StringPrintf("web-cache-x-process/%" PRIx64, tracing_process_id)); |
| 86 pmd->CreateSharedGlobalAllocatorDump(shared_guid); |
| 87 |
| 88 // By creating an edge with a higher |importance| (w.r.t. browser-side dumps) |
| 89 // the tracing UI will account the effective size of the allocation to the |
| 90 // child. |
| 91 const int kImportance = 2; |
| 92 pmd->AddOwnershipEdge(allocator_dump->guid(), shared_guid, kImportance); |
| 93 return true; |
| 94 } |
| 95 |
| 96 } // namespace web_cache |
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