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// RUN: %libomp-compile -D_GNU_SOURCE
// RUN: env KMP_AFFINITY=granularity=thread,compact %libomp-run
// RUN: env KMP_AFFINITY=granularity=core,compact %libomp-run
// RUN: env KMP_AFFINITY=granularity=socket,compact %libomp-run
// REQUIRES: linux
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libomp_test_affinity.h"
#include "libomp_test_topology.h"
// Compare place lists. Make sure every place in p1 is in p2.
static int compare_places(const place_list_t *p1, const place_list_t *p2) {
int i, j;
for (i = 0; i < p1->num_places; ++i) {
int found = 0;
for (j = 0; j < p2->num_places; ++j) {
if (affinity_mask_equal(p1->masks[i], p2->masks[j])) {
found = 1;
break;
}
}
if (!found) {
printf("Found place in p1 not in p2!\n");
printf("p1 places:\n");
topology_print_places(p1);
printf("\n");
printf("p2 places:\n");
topology_print_places(p1);
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
static int check_places() {
int status;
const char *value = getenv("KMP_AFFINITY");
if (!value) {
fprintf(stderr, "error: must set OMP_PLACES envirable for this test!\n");
return EXIT_FAILURE;
}
place_list_t *places, *openmp_places;
if (strstr(value, "socket")) {
places = topology_alloc_type_places(TOPOLOGY_OBJ_SOCKET);
} else if (strstr(value, "core")) {
places = topology_alloc_type_places(TOPOLOGY_OBJ_CORE);
} else if (strstr(value, "thread")) {
places = topology_alloc_type_places(TOPOLOGY_OBJ_THREAD);
} else {
fprintf(
stderr,
"error: KMP_AFFINITY granularity must be one of thread,core,socket!\n");
return EXIT_FAILURE;
}
openmp_places = topology_alloc_openmp_places();
status = compare_places(openmp_places, places);
topology_free_places(places);
topology_free_places(openmp_places);
return status;
}
int main() {
if (!topology_using_full_mask()) {
printf("Thread does not have access to all logical processors. Skipping "
"test.\n");
return EXIT_SUCCESS;
}
return check_places();
}
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