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