protocol/tracing library

Classes

BufferUsageEvent

RequestMemoryDumpResult

TraceConfig

TracingApi

TracingCompleteEvent

Enums

MemoryDumpLevelOfDetail

Details exposed when memory request explicitly declared. Keep consistent with memory_dump_request_args.h and memory_instrumentation.mojom

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.

TraceConfigRecordMode

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.

Extension Types

MemoryDumpConfig

Configuration for memory dump. Used only when "memory-infra" category is enabled.