Readonlyclosedtrue once the source has closed and retains nothing.
ReadonlycoverageWhat completed-span population the tracing stack makes observable.
ReadonlydroppedSpans dropped before entering the ring (saturating).
ReadonlyinstanceThe instance UUID the batch was read for; equals the requested one.
ReadonlyinstrumentationAuto-instrumentation families whose spans can appear; empty when none.
ReadonlylostRing sequences evicted between the requested cursor and the first returned record.
ReadonlynextLast returned sequence, or the requested cursor when nothing was returned.
ReadonlyrecordsFrozen spans with sequence numbers greater than the requested cursor.
ReadonlysamplerThe configured sampler description.
ReadonlystateThe inspector's availability state.
ReadonlyversionContract version.
One page of completed, sampled span observations from the tracing inspector (M98g), read non-destructively.
after/next/lostfollow the M98a cursor contract ofDiagnosticsBatchexactly:afteris exclusive, a cursor older than the oldest retained span returns the oldest retained spans with the skipped sequences reported inlost(per batch, never cumulative), andnextis the last returned sequence — or the requested cursor when nothing was returned, so polling an idle application re-sends the same cursor.droppedSpanscounts spans dropped before the ring (saturating): a name outside the approvedoperationsmap, or a span whose projected identifiers, kind or status failed validation. No absolute time is carried:ageMsdescribes arrival at this process only.Since
0.8.0