tracing library Null safety

Classes

BufferUsageEvent
MemoryDumpConfig
Configuration for memory dump. Used only when "memory-infra" category is enabled.
MemoryDumpLevelOfDetail
Details exposed when memory request explicitly declared. Keep consistent with memory_dump_request_args.h and memory_instrumentation.mojom
RequestMemoryDumpResult
StreamCompression
Compression type to use for traces returned via streams.
StreamFormat
Data format of a trace. Can be either the legacy JSON format or the protocol buffer format. Note that the JSON format will be deprecated soon.
TraceConfig
TraceConfigRecordMode
TracingApi
TracingBackend
Backend type to use for tracing. chrome uses the Chrome-integrated tracing service and is supported on all platforms. system is only supported on Chrome OS and uses the Perfetto system tracing service. auto chooses system when the perfettoConfig provided to Tracing.start specifies at least one non-Chrome data source; otherwise uses chrome.
TracingCompleteEvent