include Core_kernel__.Import.Invariant.S with type t := tval invariant : t Base__.Invariant_intf.invval create : ?level_bits:Level_bits.t ‑> alarm_precision:Alarm_precision.t ‑> Core_kernel__.Import.unit ‑> tcreate raises if alarm_precision <= 0.
val level_bits : t ‑> Level_bits.tval durations : t ‑> Time.Span.t Core_kernel__.Import.listdurations t returns the durations of the levels in t
val microsecond_precision : Core_kernel__.Import.unit ‑> tmicrosecond_precision () returns a reasonable configuration for a timing wheel
with microsecond alarm_precision, and level durations of 1ms, 1s, 1m, 1h, 1d.
See the relevant expect test in Core_kernel_test library.