// Copyright 2016 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 "base/trace_event/memory_infra_background_whitelist.h" #include #include #include #include "base/strings/string_util.h" namespace base { namespace trace_event { namespace { // The names of dump providers whitelisted for background tracing. Dump // providers can be added here only if the background mode dump has very // little processor and memory overhead. // TODO(ssid): Some dump providers do not create ownership edges on background // dump. So, the effective size will not be correct. const char* const kDumpProviderWhitelist[] = { "android::ResourceManagerImpl", "AutocompleteController", "BlinkGC", "BlinkObjectCounters", "BlobStorageContext", "ClientDiscardableSharedMemoryManager", "DOMStorage", "DownloadService", "DiscardableSharedMemoryManager", "gpu::BufferManager", "gpu::RenderbufferManager", "gpu::TextureManager", "FontCaches", "HistoryReport", "IPCChannel", "IndexedDBBackingStore", "InMemoryURLIndex", "JavaHeap", "LevelDB", "LeveldbValueStore", "LocalStorage", "Malloc", "MemoryCache", "MojoHandleTable", "MojoLevelDB", "MojoMessages", "PartitionAlloc", "ProcessMemoryMetrics", "RenderProcessHost", "SharedMemoryTracker", "Skia", "Sql", "URLRequestContext", "V8Isolate", "SyncDirectory", "TabRestoreServiceHelper", nullptr // End of list marker. }; // A list of string names that are allowed for the memory allocator dumps in // background mode. const char* const kAllocatorDumpNameWhitelist[] = { "blink_gc", "blink_gc/allocated_objects", "blink_objects/AdSubframe", "blink_objects/AudioHandler", "blink_objects/DetachedScriptState", "blink_objects/Document", "blink_objects/Frame", "blink_objects/JSEventListener", "blink_objects/LayoutObject", "blink_objects/MediaKeySession", "blink_objects/MediaKeys", "blink_objects/Node", "blink_objects/Resource", "blink_objects/RTCPeerConnection", "blink_objects/ScriptPromise", "blink_objects/PausableObject", "blink_objects/V8PerContextData", "blink_objects/WorkerGlobalScope", "blink_objects/UACSSResource", "blink_objects/ResourceFetcher", "components/download/controller_0x?", "discardable", "discardable/child_0x?", "extensions/value_store/Extensions.Database.Open.Settings/0x?", "extensions/value_store/Extensions.Database.Open.Rules/0x?", "extensions/value_store/Extensions.Database.Open.State/0x?", "extensions/value_store/Extensions.Database.Open/0x?", "extensions/value_store/Extensions.Database.Restore/0x?", "extensions/value_store/Extensions.Database.Value.Restore/0x?", "font_caches/font_platform_data_cache", "font_caches/shape_caches", "gpu/gl/buffers/share_group_0x?", "gpu/gl/renderbuffers/share_group_0x?", "gpu/gl/textures/share_group_0x?", "history/delta_file_service/leveldb_0x?", "history/usage_reports_buffer/leveldb_0x?", "java_heap", "java_heap/allocated_objects", "leveldatabase", "leveldatabase/block_cache/browser", "leveldatabase/block_cache/in_memory", "leveldatabase/block_cache/unified", "leveldatabase/block_cache/web", "leveldatabase/db_0x?", "leveldatabase/db_0x?/block_cache", "leveldatabase/memenv_0x?", "malloc", "malloc/allocated_objects", "malloc/metadata_fragmentation_caches", "mojo", "mojo/data_pipe_consumer", "mojo/data_pipe_producer", "mojo/invitation", "mojo/messages", "mojo/message_pipe", "mojo/platform_handle", "mojo/queued_ipc_channel_message/0x?", "mojo/render_process_host/0x?", "mojo/shared_buffer", "mojo/unknown", "mojo/watcher", "net/http_network_session_0x?", "net/http_network_session_0x?/quic_stream_factory", "net/http_network_session_0x?/socket_pool", "net/http_network_session_0x?/spdy_session_pool", "net/http_network_session_0x?/stream_factory", "net/ssl_session_cache", "net/url_request_context", "net/url_request_context/app_request", "net/url_request_context/app_request/0x?", "net/url_request_context/app_request/0x?/cookie_monster", "net/url_request_context/app_request/0x?/cookie_monster/cookies", "net/url_request_context/app_request/0x?/cookie_monster/" "tasks_pending_global", "net/url_request_context/app_request/0x?/cookie_monster/" "tasks_pending_for_key", "net/url_request_context/app_request/0x?/http_cache", "net/url_request_context/app_request/0x?/http_cache/memory_backend", "net/url_request_context/app_request/0x?/http_cache/simple_backend", "net/url_request_context/app_request/0x?/http_network_session", "net/url_request_context/extensions", "net/url_request_context/extensions/0x?", "net/url_request_context/extensions/0x?/cookie_monster", "net/url_request_context/extensions/0x?/cookie_monster/cookies", "net/url_request_context/extensions/0x?/cookie_monster/" "tasks_pending_global", "net/url_request_context/extensions/0x?/cookie_monster/" "tasks_pending_for_key", "net/url_request_context/extensions/0x?/http_cache", "net/url_request_context/extensions/0x?/http_cache/memory_backend", "net/url_request_context/extensions/0x?/http_cache/simple_backend", "net/url_request_context/extensions/0x?/http_network_session", "net/url_request_context/isolated_media", "net/url_request_context/isolated_media/0x?", "net/url_request_context/isolated_media/0x?/cookie_monster", "net/url_request_context/isolated_media/0x?/cookie_monster/cookies", "net/url_request_context/isolated_media/0x?/cookie_monster/" "tasks_pending_global", "net/url_request_context/isolated_media/0x?/cookie_monster/" "tasks_pending_for_key", "net/url_request_context/isolated_media/0x?/http_cache", "net/url_request_context/isolated_media/0x?/http_cache/memory_backend", "net/url_request_context/isolated_media/0x?/http_cache/simple_backend", "net/url_request_context/isolated_media/0x?/http_network_session", "net/url_request_context/main", "net/url_request_context/main/0x?", "net/url_request_context/main/0x?/cookie_monster", "net/url_request_context/main/0x?/cookie_monster/cookies", "net/url_request_context/main/0x?/cookie_monster/tasks_pending_global", "net/url_request_context/main/0x?/cookie_monster/tasks_pending_for_key", "net/url_request_context/main/0x?/http_cache", "net/url_request_context/main/0x?/http_cache/memory_backend", "net/url_request_context/main/0x?/http_cache/simple_backend", "net/url_request_context/main/0x?/http_network_session", "net/url_request_context/main_media", "net/url_request_context/main_media/0x?", "net/url_request_context/main_media/0x?/cookie_monster", "net/url_request_context/main_media/0x?/cookie_monster/cookies", "net/url_request_context/main_media/0x?/cookie_monster/" "tasks_pending_global", "net/url_request_context/main_media/0x?/cookie_monster/" "tasks_pending_for_key", "net/url_request_context/main_media/0x?/http_cache", "net/url_request_context/main_media/0x?/http_cache/memory_backend", "net/url_request_context/main_media/0x?/http_cache/simple_backend", "net/url_request_context/main_media/0x?/http_network_session", "net/url_request_context/proxy", "net/url_request_context/proxy/0x?", "net/url_request_context/proxy/0x?/cookie_monster", "net/url_request_context/proxy/0x?/cookie_monster/cookies", "net/url_request_context/proxy/0x?/cookie_monster/tasks_pending_global", "net/url_request_context/proxy/0x?/cookie_monster/tasks_pending_for_key", "net/url_request_context/proxy/0x?/http_cache", "net/url_request_context/proxy/0x?/http_cache/memory_backend", "net/url_request_context/proxy/0x?/http_cache/simple_backend", "net/url_request_context/proxy/0x?/http_network_session", "net/url_request_context/safe_browsing", "net/url_request_context/safe_browsing/0x?", "net/url_request_context/safe_browsing/0x?/cookie_monster", "net/url_request_context/safe_browsing/0x?/cookie_monster/cookies", "net/url_request_context/safe_browsing/0x?/cookie_monster/" "tasks_pending_global", "net/url_request_context/safe_browsing/0x?/cookie_monster/" "tasks_pending_for_key", "net/url_request_context/safe_browsing/0x?/http_cache", "net/url_request_context/safe_browsing/0x?/http_cache/memory_backend", "net/url_request_context/safe_browsing/0x?/http_cache/simple_backend", "net/url_request_context/safe_browsing/0x?/http_network_session", "net/url_request_context/system", "net/url_request_context/system/0x?", "net/url_request_context/system/0x?/cookie_monster", "net/url_request_context/system/0x?/cookie_monster/cookies", "net/url_request_context/system/0x?/cookie_monster/tasks_pending_global", "net/url_request_context/system/0x?/cookie_monster/tasks_pending_for_key", "net/url_request_context/system/0x?/http_cache", "net/url_request_context/system/0x?/http_cache/memory_backend", "net/url_request_context/system/0x?/http_cache/simple_backend", "net/url_request_context/system/0x?/http_network_session", "net/url_request_context/unknown", "net/url_request_context/unknown/0x?", "net/url_request_context/unknown/0x?/cookie_monster", "net/url_request_context/unknown/0x?/cookie_monster/cookies", "net/url_request_context/unknown/0x?/cookie_monster/tasks_pending_global", "net/url_request_context/unknown/0x?/cookie_monster/tasks_pending_for_key", "net/url_request_context/unknown/0x?/http_cache", "net/url_request_context/unknown/0x?/http_cache/memory_backend", "net/url_request_context/unknown/0x?/http_cache/simple_backend", "net/url_request_context/unknown/0x?/http_network_session", "omnibox/autocomplete_controller/0x?", "omnibox/in_memory_url_index/0x?", "web_cache/Image_resources", "web_cache/CSS stylesheet_resources", "web_cache/Script_resources", "web_cache/XSL stylesheet_resources", "web_cache/Font_resources", "web_cache/Other_resources", "partition_alloc/allocated_objects", "partition_alloc/partitions", "partition_alloc/partitions/array_buffer", "partition_alloc/partitions/buffer", "partition_alloc/partitions/fast_malloc", "partition_alloc/partitions/layout", "skia/sk_glyph_cache", "skia/sk_resource_cache", "sqlite", "ui/resource_manager_0x?/default_resource/0x?", "ui/resource_manager_0x?/tinted_resource", "v8/isolate_0x?/contexts/detached_context", "v8/isolate_0x?/contexts/native_context", "v8/isolate_0x?/heap_spaces", "v8/isolate_0x?/heap_spaces/code_space", "v8/isolate_0x?/heap_spaces/large_object_space", "v8/isolate_0x?/heap_spaces/map_space", "v8/isolate_0x?/heap_spaces/new_space", "v8/isolate_0x?/heap_spaces/new_large_object_space", "v8/isolate_0x?/heap_spaces/old_space", "v8/isolate_0x?/heap_spaces/read_only_space", "v8/isolate_0x?/malloc", "v8/isolate_0x?/zapped_for_debug", "site_storage/blob_storage/0x?", "site_storage/index_db/db_0x?", "site_storage/index_db/memenv_0x?", "site_storage/localstorage/0x?/cache_size", "site_storage/localstorage/0x?/leveldb", "site_storage/session_storage/0x?", "site_storage/session_storage/0x?/cache_size", "sync/0x?/kernel", "sync/0x?/store", "sync/0x?/model_type/APP", "sync/0x?/model_type/APP_LIST", "sync/0x?/model_type/APP_NOTIFICATION", "sync/0x?/model_type/APP_SETTING", "sync/0x?/model_type/ARC_PACKAGE", "sync/0x?/model_type/ARTICLE", "sync/0x?/model_type/AUTOFILL", "sync/0x?/model_type/AUTOFILL_PROFILE", "sync/0x?/model_type/AUTOFILL_WALLET", "sync/0x?/model_type/BOOKMARK", "sync/0x?/model_type/DEVICE_INFO", "sync/0x?/model_type/DICTIONARY", "sync/0x?/model_type/EXPERIMENTS", "sync/0x?/model_type/EXTENSION", "sync/0x?/model_type/EXTENSION_SETTING", "sync/0x?/model_type/FAVICON_IMAGE", "sync/0x?/model_type/FAVICON_TRACKING", "sync/0x?/model_type/HISTORY_DELETE_DIRECTIVE", "sync/0x?/model_type/MANAGED_USER", "sync/0x?/model_type/MANAGED_USER_SETTING", "sync/0x?/model_type/MANAGED_USER_SHARED_SETTING", "sync/0x?/model_type/MANAGED_USER_WHITELIST", "sync/0x?/model_type/MOUNTAIN_SHARE", "sync/0x?/model_type/NIGORI", "sync/0x?/model_type/PASSWORD", "sync/0x?/model_type/PREFERENCE", "sync/0x?/model_type/PRINTER", "sync/0x?/model_type/PRIORITY_PREFERENCE", "sync/0x?/model_type/READING_LIST", "sync/0x?/model_type/SEARCH_ENGINE", "sync/0x?/model_type/SESSION", "sync/0x?/model_type/SYNCED_NOTIFICATION", "sync/0x?/model_type/SYNCED_NOTIFICATION_APP_INFO", "sync/0x?/model_type/THEME", "sync/0x?/model_type/TYPED_URL", "sync/0x?/model_type/USER_CONSENT", "sync/0x?/model_type/USER_EVENT", "sync/0x?/model_type/WALLET_METADATA", "sync/0x?/model_type/WIFI_CREDENTIAL", "tab_restore/service_helper_0x?/entries", "tab_restore/service_helper_0x?/entries/tab_0x?", "tab_restore/service_helper_0x?/entries/window_0x?", "tracing/heap_profiler_blink_gc/AllocationRegister", "tracing/heap_profiler_malloc/AllocationRegister", "tracing/heap_profiler_partition_alloc/AllocationRegister", nullptr // End of list marker. }; const char* const* g_dump_provider_whitelist = kDumpProviderWhitelist; const char* const* g_allocator_dump_name_whitelist = kAllocatorDumpNameWhitelist; bool IsMemoryDumpProviderInList(const char* mdp_name, const char* const* list) { for (size_t i = 0; list[i] != nullptr; ++i) { if (strcmp(mdp_name, list[i]) == 0) return true; } return false; } } // namespace bool IsMemoryDumpProviderWhitelisted(const char* mdp_name) { return IsMemoryDumpProviderInList(mdp_name, g_dump_provider_whitelist); } bool IsMemoryAllocatorDumpNameWhitelisted(const std::string& name) { // Global dumps are explicitly whitelisted for background use. if (base::StartsWith(name, "global/", CompareCase::SENSITIVE)) { for (size_t i = strlen("global/"); i < name.size(); i++) if (!base::IsHexDigit(name[i])) return false; return true; } if (base::StartsWith(name, "shared_memory/", CompareCase::SENSITIVE)) { for (size_t i = strlen("shared_memory/"); i < name.size(); i++) if (!base::IsHexDigit(name[i])) return false; return true; } // Remove special characters, numbers (including hexadecimal which are marked // by '0x') from the given string. const size_t length = name.size(); std::string stripped_str; stripped_str.reserve(length); bool parsing_hex = false; for (size_t i = 0; i < length; ++i) { if (parsing_hex && isxdigit(name[i])) continue; parsing_hex = false; if (i + 1 < length && name[i] == '0' && name[i + 1] == 'x') { parsing_hex = true; stripped_str.append("0x?"); ++i; } else { stripped_str.push_back(name[i]); } } for (size_t i = 0; g_allocator_dump_name_whitelist[i] != nullptr; ++i) { if (stripped_str == g_allocator_dump_name_whitelist[i]) { return true; } } return false; } void SetDumpProviderWhitelistForTesting(const char* const* list) { g_dump_provider_whitelist = list; } void SetAllocatorDumpNameWhitelistForTesting(const char* const* list) { g_allocator_dump_name_whitelist = list; } } // namespace trace_event } // namespace base