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(* TEST
modules = "user_data_regression_stub.c";
flags = "-g";
ocamlrunparam += ",s=100";
{ bytecode; }
{ native; }
*)
external request_minor_gcs : unit -> unit = "request_minor_gcs"
let deep f =
let rec loop n = if n = 0 then (f (); 0) else 1 + loop (n-1) in
ignore (loop (Random.int 100))
let () =
let alloc_minor (info : Gc.Memprof.allocation) =
ignore (Printexc.raw_backtrace_to_string info.callstack);
None
in
Gc.Memprof.(start ~sampling_rate:1. {null_tracker with alloc_minor}) |> ignore;
for i = 1 to 1_000 do
deep (fun () ->
request_minor_gcs ();
ignore (Sys.opaque_identity (ref 42)));
done;
print_endline "ok"
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