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better test

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Simon Cruanes 2022-03-17 14:22:10 -04:00
parent 3beacb1f18
commit 3006e293b0
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1 changed files with 24 additions and 19 deletions
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43
tests/emit1.ml
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@ -1,33 +1,38 @@
module T = Opentelemetry
let spf = Printf.sprintf
let (let@) f x = f x
let run () =
Printf.printf "collector is on %S\n%!" (Opentelemetry_client_ocurl.get_url());
let i = ref 0 in
while true do
let@ (tr,sp) = T.Trace.with_ ~service_name:"t1" "loop" in
Unix.sleepf 2.;
let@ (tr,sp) = T.Trace.with_ ~service_name:"t1" "outer.loop" ~attrs:["i", `Int !i] in
let gc = Gc.stat() in
T.Metrics.(
emit [
gauge ~name:"ocaml_opentracing.test.i" [int !i];
gauge ~name:"ocaml_opentracing.test.major_heap_words" [int gc.Gc.heap_words];
sum ~name:"ocaml_opentracing.test.minor_allocated" [float gc.Gc.minor_words];
]);
for j=0 to 4 do
incr i;
let@ (tr,sp) = T.Trace.with_ ~service_name:"t1" ~attrs:["j", `Int j] "loop.inner" in
Unix.sleepf 2.;
begin
let@ _ = T.Trace.with_ ~kind:T.Span.Span_kind_client
~trace_id:tr ~parent:sp "alloc" in
(* allocate some stuff *)
let _arr = Sys.opaque_identity @@ Array.make (25 * 25551) 42.0 in
ignore _arr;
Unix.sleepf 0.1;
end;
let gc = Gc.stat() in
T.Metrics.(
emit [
gauge ~name:"ocaml_opentracing.test.i" [int !i];
gauge ~name:"ocaml_opentracing.test.major_heap_words" [int gc.Gc.heap_words];
sum ~name:"ocaml_opentracing.test.minor_allocated" [float gc.Gc.minor_words];
]);
incr i;
begin
let@ _ = T.Trace.with_ ~kind:T.Span.Span_kind_client
~trace_id:tr ~parent:sp "alloc" in
(* allocate some stuff *)
let _arr = Sys.opaque_identity @@ Array.make (25 * 25551) 42.0 in
ignore _arr;
Unix.sleepf 0.1;
end;
done;
done
let () =