Replace os:timestamp/0 with erlang:monotonic_time/0

lpgauth · Apr 30, 2018 · da494e7 · da494e7
1 parent 68d6e47
commit da494e7
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/timing_hdr.erl b/src/timing_hdr.erl
@@ -26,10 +26,11 @@ run(TimingFun, Opts) ->
     N = trunc(Iterations / Concurrency),
     Iterations2 = N * Concurrency,
     {ok, Hdr} = hdr_histogram:open(Iterations2, 3),
-    Timestamp = os:timestamp(),
+    T1 = erlang:monotonic_time(),
     spawn_loop(Concurrency, TimingFun, N, self(), SpawnOpts),
     {ok, Timings} = receive_timings(Concurrency, []),
-    TotalTime = timer:now_diff(os:timestamp(), Timestamp),
+    T2 = erlang:monotonic_time(),
+    TotalTime = erlang:convert_time_unit(T2 - T1, native, microsecond),
     {ok, Errors} = timings_loop(lists:flatten(Timings), Hdr, 0),
     hdr_histogram:log(Hdr, classic, Output),