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authorRickard Green <[email protected]>2013-06-12 15:52:34 +0200
committerRickard Green <[email protected]>2013-06-12 15:52:34 +0200
commit64fcb4fefc24cba2d2c81ebb236b89c676c06c4b (patch)
treed576026be71715795b8d374ac4ae620a25d24cef /erts/emulator/beam/erl_init.c
parent1f8d9f43766fea0e706db8923075ab65a7677daf (diff)
parent4c9a66c4ba3bbbd6136f3a284fc1accbc0e9cea2 (diff)
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Merge branch 'rickard/+sfwi/OTP-11164' into maint
* rickard/+sfwi/OTP-11164: erts: Add the +sfwi system flag
Diffstat (limited to 'erts/emulator/beam/erl_init.c')
-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 2fb73aed96..4bae3dfeb4 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -1480,6 +1480,22 @@ 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();