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authorRickard Green <[email protected]>2014-10-23 10:41:49 +0200
committerRickard Green <[email protected]>2014-10-23 10:41:49 +0200
commite97f9bc1672cb2d2c07d4133030528b43b26532c (patch)
treecd519abf66793978459558f38f64e554c31432db /erts/emulator/beam/erl_init.c
parentff3fae223431a9cb0d2a2852a07f9447960c92ed (diff)
parent404c44d58058da8cfead5dd310fcb24bf3e8d344 (diff)
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Merge branch 'rickard/maint-17/eager-check-io/OTP-12117' into maint
* rickard/maint-17/eager-check-io/OTP-12117: No eager check I/O on OSE Introduce support for eager check I/O scheduling
Diffstat (limited to 'erts/emulator/beam/erl_init.c')
-rw-r--r--erts/emulator/beam/erl_init.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 88c4006934..61f8385efc 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -548,6 +548,8 @@ void erts_usage(void)
erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
erts_fprintf(stderr, "-sct cput set cpu topology,\n");
erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
+ erts_fprintf(stderr, "-secio bool enable/disable eager check I/O scheduling,\n");
+ erts_fprintf(stderr, " see the erl(1) documentation for more info.\n");
#if ERTS_HAVE_SCHED_UTIL_BALANCING_SUPPORT_OPT
erts_fprintf(stderr, "-sub bool enable/disable scheduler utilization balancing,\n");
#else
@@ -1674,6 +1676,22 @@ erl_start(int argc, char **argv)
erts_usage();
}
}
+ else if (has_prefix("ecio", sub_param)) {
+ arg = get_arg(sub_param+4, argv[i+1], &i);
+#ifndef __OSE__
+ if (sys_strcmp("true", arg) == 0)
+ erts_eager_check_io = 1;
+ else
+#endif
+ if (sys_strcmp("false", arg) == 0)
+ erts_eager_check_io = 0;
+ else {
+ erts_fprintf(stderr,
+ "bad schedule eager check I/O value '%s'\n",
+ arg);
+ erts_usage();
+ }
+ }
else if (has_prefix("pp", sub_param)) {
arg = get_arg(sub_param+2, argv[i+1], &i);
if (sys_strcmp(arg, "true") == 0)