diff options
Diffstat (limited to 'libgomp/config/linux/affinity.c')
| -rw-r--r-- | libgomp/config/linux/affinity.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libgomp/config/linux/affinity.c b/libgomp/config/linux/affinity.c index a2aefb8..d2dcc1e 100644 --- a/libgomp/config/linux/affinity.c +++ b/libgomp/config/linux/affinity.c @@ -396,6 +396,56 @@ gomp_get_place_proc_ids_8 (int place_num, int64_t *ids) *ids++ = i; } +void +gomp_display_affinity_place (char *buffer, size_t size, size_t *ret, + int place) +{ + cpu_set_t *cpusetp; + char buf[sizeof (long) * 3 + 4]; + if (place >= 0 && place < gomp_places_list_len) + cpusetp = (cpu_set_t *) gomp_places_list[place]; + else if (gomp_cpusetp) + cpusetp = gomp_cpusetp; + else + { + if (gomp_available_cpus > 1) + sprintf (buf, "0-%lu", gomp_available_cpus - 1); + else + strcpy (buf, "0"); + gomp_display_string (buffer, size, ret, buf, strlen (buf)); + return; + } + + unsigned long i, max = 8 * gomp_cpuset_size, start; + bool prev_set = false; + start = max; + for (i = 0; i <= max; i++) + { + bool this_set; + if (i == max) + this_set = false; + else + this_set = CPU_ISSET_S (i, gomp_cpuset_size, cpusetp); + if (this_set != prev_set) + { + prev_set = this_set; + if (this_set) + { + char *p = buf; + if (start != max) + *p++ = ','; + sprintf (p, "%lu", i); + start = i; + } + else if (i == start + 1) + continue; + else + sprintf (buf, "-%lu", i - 1); + gomp_display_string (buffer, size, ret, buf, strlen (buf)); + } + } +} + ialias(omp_get_place_num_procs) ialias(omp_get_place_proc_ids) |