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NUMA base detection on FreeBSD.

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This commit is contained in:
David Carlier 2021-10-22 10:08:16 +01:00
parent 02938b7048
commit fc7777ee8c
1 changed files with 31 additions and 0 deletions
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31
src/os.c
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@ -51,6 +51,14 @@ terms of the MIT license. A copy of the license can be found in the file
#include <mach/vm_statistics.h>
#endif
#endif
#if defined(__FreeBSD__)
#include <sys/param.h>
#if __FreeBSD_version >= 1200000
#include <sys/cpuset.h>
#include <sys/domainset.h>
#include <sys/sysctl.h>
#endif
#endif
#endif
/* -----------------------------------------------------------
@ -1236,6 +1244,29 @@ static size_t mi_os_numa_node_countx(void) {
}
return (node+1);
}
#elif defined(__FreeBSD__) && __FreeBSD_version >= 1200000
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;
}
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;
}
#else
static size_t mi_os_numa_nodex(void) {
return 0;