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-rw-r--r--erts/emulator/beam/erl_init.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 1eb3dba240..7f52b111ac 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -1240,6 +1240,22 @@ erl_start(int argc, char **argv)
("suggested scheduler thread stack size %d kilo words\n",
erts_sched_thread_suggested_stack_size));
}
+ else if (has_prefix("fwi", sub_param)) {
+ long val;
+ arg = get_arg(sub_param+3, argv[i+1], &i);
+ errno = 0;
+ val = strtol(arg, NULL, 10);
+ if (errno != 0 || val < 0) {
+ erts_fprintf(stderr,
+ "bad scheduler forced wakeup "
+ "interval %s\n",
+ arg);
+ erts_usage();
+ }
+#ifdef ERTS_SMP
+ erts_runq_supervision_interval = val;
+#endif
+ }
else {
erts_fprintf(stderr, "bad scheduling option %s\n", argv[i]);
erts_usage();