sig
module Hashtbl :
sig
type key = Call_site.t
type 'a t = 'a Hashtbl.Make(Call_site).t
val create : int -> 'a t
val clear : 'a t -> unit
val reset : 'a t -> unit
val copy : 'a t -> 'a t
val add : 'a t -> key -> 'a -> unit
val remove : 'a t -> key -> unit
val find : 'a t -> key -> 'a
val find_all : 'a t -> key -> 'a list
val replace : 'a t -> key -> 'a -> unit
val mem : 'a t -> key -> bool
val iter : (key -> 'a -> unit) -> 'a t -> unit
val fold : (key -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b
val length : 'a t -> int
val stats : 'a t -> Hashtbl.statistics
end
type elt = { mutable self : perf_info; subtree : t; }
and t = elt Hashtbl.t
val empty : unit -> 'a Hashtbl.t
val reset : 'a Hashtbl.t -> unit
val create_node : perf_info -> elt
val find_subtree : elt Hashtbl.t -> Hashtbl.key list -> elt
val find : elt Hashtbl.t -> Hashtbl.key list -> perf_info
val _add : elt Hashtbl.t -> Hashtbl.key list -> perf_info -> unit
val _update :
elt Hashtbl.t -> Hashtbl.key list -> (perf_info -> perf_info) -> unit
end