[logger] Adjust priority settings in test

Now only setting high priority on every second burst sending process,
to allow for handler process to be scheduled in every now and then.

1 files changed, 12 insertions, 6 deletions

diff --git a/lib/kernel/test/logger_std_h_SUITE.erl b/lib/kernel/test/logger_std_h_SUITE.erl
index c2cc7653ea..76f8a35406 100644
--- a/lib/kernel/test/logger_std_h_SUITE.erl
+++ b/lib/kernel/test/logger_std_h_SUITE.erl
@@ -1257,13 +1257,9 @@ send_n_burst(N, seq, Text, Class) ->
     send_n_burst(N-1, seq, Text, Class);
 send_n_burst(N, {spawn,Ps,TO}, Text, Class) ->
     ct:pal("~w processes each sending ~w messages", [Ps,N]),
-    PerProc = fun() ->
-                      process_flag(priority,high),
-                      send_n_burst(N, seq, Text, Class)
-              end,
     MRefs = [begin if TO == 0 -> ok; true -> timer:sleep(TO) end,
-                   monitor(process,spawn_link(PerProc)) end ||
-                _ <- lists:seq(1,Ps)],
+                   monitor(process,spawn_link(per_proc_fun(N,Text,Class,X)))
+             end || X <- lists:seq(1,Ps)],
     lists:foreach(fun(MRef) ->
                           receive
                               {'DOWN', MRef, _, _, _} ->
@@ -1282,6 +1278,16 @@ send_t_burst(T0, T, Text, Class, N) ->
             send_t_burst(T0, T, Text, Class, N+1)
     end.
 
+per_proc_fun(N,Text,Class,X) when X rem 2 == 0 ->
+    fun() ->
+            process_flag(priority,high),
+            send_n_burst(N, seq, Text, Class)
+    end;
+per_proc_fun(N,Text,Class,_) ->
+    fun() ->
+            send_n_burst(N, seq, Text, Class)
+    end.
+
 %%%-----------------------------------------------------------------
 %%% Formatter callback
 %%% Using this to send the formatted string back to the test case