For the complete documentation index, see llms.txt. Markdown versions of all pages are available by appending .md to any URL (e.g. /get-started.md).

Mojo trait

TraceBuf

Trace-buffer interface. Implementations: NullTrace, GmemTrace.

Implemented traits

AnyType, Copyable, Deinitable, DevicePassable, ImplicitlyCopyable, Movable, RegisterPassable, TrivialRegisterPassable

Required methods

store

def store(self, offset: Int, val: UInt64)

Stores a timestamp at a slot in the trace buffer.

Args:

• ​offset (Int): Slot index. Callers typically encode roles as block_idx * events_per_block + role.
• ​val (UInt64): Timestamp value (ns from global_perf_counter_ns).