void show(void)
{
unsigned long prefnode;
struct bitmask *membind, *interleave, *cpubind;
unsigned long cur;
int policy;
int numa_num_nodes = numa_num_possible_nodes();
if (numa_available() < 0) {
show_physcpubind();
printf("No NUMA support available on this system.\n");
exit(1);
}
cpubind = numa_get_run_node_mask();
prefnode = numa_preferred();
interleave = numa_get_interleave_mask();
membind = numa_get_membind();
cur = numa_get_interleave_node();
policy = 0;
if (get_mempolicy(&policy, NULL, 0, 0, 0) < 0)
perror("get_mempolicy");
printf("policy: %s\n", policy_name(policy));
printf("preferred node: ");
switch (policy) {
case MPOL_PREFERRED:
if (prefnode != -1) {
printf("%ld\n", prefnode);
break;
}
/*FALL THROUGH*/
case MPOL_DEFAULT:
printf("current\n");
break;
case MPOL_INTERLEAVE:
printf("%ld (interleave next)\n",cur);
break;
case MPOL_BIND:
printf("%d\n", find_first_bit(&membind, numa_num_nodes));
break;
}
if (policy == MPOL_INTERLEAVE) {
printmask("interleavemask", interleave);
printf("interleavenode: %ld\n", cur);
}
show_physcpubind();
printmask("cpubind", cpubind); // for compatibility
printmask("nodebind", cpubind);
printmask("membind", membind);
}
/*
* Class: xerial_jnuma_NumaNative
* Method: preferredNode
* Signature: ()I
*/
JNIEXPORT jint JNICALL Java_xerial_jnuma_NumaNative_preferredNode
(JNIEnv *env, jobject obj) {
return (jint) numa_preferred();
}
