Tracer class
A high-performance, low-overhead event tracer.
Constructors
- Tracer()
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Static Properties
-
activeCategories
↔ Set<
TraceCategory> -
Active configuration of trace categories to record.
getter/setter pair
- isEnabled ↔ bool
-
Whether the tracer is currently enabled and recording events.
getter/setter pair
Static Methods
-
initialize(
) → Future< void> - Initialize the tracer subsystem.
-
record(
int stringId, int phase, TraceCategory category, {Map< String, String> ? metadata}) → void - Record a trace event to the buffer.
-
registerString(
String name) → int - Register a string literal and return its static ID.
-
start(
String traceFilePath, {FileSystem? fs}) → Future< void> - Start a recording session.
-
stop(
) → Future< void> - Flush any remaining events and shut down the recording session.