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mcexec: --no-bind-ikc-map for optionally disabling binding

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This commit is contained in:
Balazs Gerofi
2017-02-11 19:25:57 +09:00
parent 2d72042021
commit ab113658f1
1 changed files with 9 additions and 2 deletions
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11
executer/user/mcexec.c
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@ -157,6 +157,7 @@ static int enable_vdso = 1;
static int mpol_no_heap = 0;
static int mpol_no_stack = 0;
static int mpol_no_bss = 0;
static int no_bind_ikc_map = 0;
static unsigned long mpol_threshold = (1024*1024);
/* Partitioned execution (e.g., for MPI) */
@ -1301,6 +1302,12 @@ static struct option mcexec_options[] = {
.flag = &mpol_no_bss,
.val = 1,
},
{
.name = "no-bind-ikc-map",
.has_arg = no_argument,
.flag = &no_bind_ikc_map,
.val = 1,
},
{
.name = "mpol-threshold",
.has_arg = required_argument,
@ -1680,7 +1687,7 @@ int main(int argc, char **argv)
desc->cpu = target_core;
/* Bind to CPU cores where the LWK process' IKC target maps to */
if (ikc_mapped) {
if (ikc_mapped && !no_bind_ikc_map) {
/* This call may not succeed, but that is fine */
if (sched_setaffinity(0, sizeof(mcexec_cpu_set),
&mcexec_cpu_set) < 0) {
@ -1697,7 +1704,7 @@ int main(int argc, char **argv)
}
}
}
#endif // DEBUG
#endif // DEBUG
}
else {
/* This call may not succeed, but that is fine */