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minor edits

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This commit is contained in:
Daan 2021-10-27 17:06:10 -07:00
parent 4d8ba61a2d
commit 6ccf7e87c0
1 changed files with 2 additions and 14 deletions
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16
src/os.c
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@ -1249,40 +1249,28 @@ static size_t mi_os_numa_nodex(void) {
domainset_t dom;
size_t node;
int policy;
if (cpuset_getdomain(CPU_LEVEL_CPUSET, CPU_WHICH_PID, -1, sizeof(dom), &dom, &policy) == -1) return 0ul;
for (node = 0; node < MAXMEMDOM; node++) {
if (DOMAINSET_ISSET(node, &dom)) return node;
if (DOMAINSET_ISSET(node, &dom)) return node;
}
return 0ul;
}
static size_t mi_os_numa_node_countx(void) {
size_t ndomains = 0;
size_t len = sizeof(ndomains);
if (sysctlbyname("vm.ndomains", &ndomains, &len, NULL, 0) == -1) return 0ul;
return ndomains;
}
#elif defined(__DragonFly__)
static size_t mi_os_numa_nodex(void) {
// TODO DragonFlyBSD does not seem to provide any userland mean to
// check this information, even less the possibility to control
// the allocation to a logical core level's granularity, only the kernel
// is fully NUMA aware at the moment.
// TODO: DragonFly does not seem to provide any userland means to get this information.
return 0ul;
}
static size_t mi_os_numa_node_countx(void) {
size_t ncpus = 0, nvirtcoresperphys = 0;
size_t len = sizeof(size_t);
if (sysctlbyname("hw.ncpu", &ncpus, &len, NULL, 0) == -1) return 0ul;
if (sysctlbyname("hw.cpu_topology_ht_ids", &nvirtcoresperphys, &len, NULL, 0) == -1) return 0ul;
return nvirtcoresperphys * ncpus;
}
#else