mbstat
++mbstat[gd->gd_cpuid].m_mbufs;
++mbstat[mycpu->gd_cpuid].m_drops;
++mbstat[mycpu->gd_cpuid].m_drops;
++mbstat[mycpu->gd_cpuid].m_drops;
cl_stats = &mbstat[mycpu->gd_cpuid].m_clusters;
cl_stats = &mbstat[mycpu->gd_cpuid].m_jclusters;
&mbstat[mycpu->gd_cpuid].m_clusters);
++mbstat[mycpu->gd_cpuid].m_clusters;
++mbstat[mycpu->gd_cpuid].m_drops;
--mbstat[mycpu->gd_cpuid].m_clusters;
--mbstat[mycpu->gd_cpuid].m_jclusters;
--mbstat[mycpu->gd_cpuid].m_jclusters;
--mbstat[mycpu->gd_cpuid].m_clusters;
--mbstat[mycpu->gd_cpuid].m_mbufs;
++mbstat[mycpu->gd_cpuid].m_mcfail;
++mbstat[mycpu->gd_cpuid].m_mcfail;
++mbstat[mycpu->gd_cpuid].m_mcfail;
++mbstat[mycpu->gd_cpuid].m_mcfail;
++mbstat[mycpu->gd_cpuid].m_mcfail;
++mbstat[mycpu->gd_cpuid].m_mcfail;
static struct mbstat mbstat[SMP_MAXCPU] __cachealign;
SYSCTL_PROC(_kern_ipc, KIPC_MBSTAT, mbstat, CTLTYPE_STRUCT|CTLFLAG_RD,
struct mbstat mbstat_total;
struct mbstat *mbstat_totalp;
mbstat_total.m_mbufs += mbstat[i].m_mbufs;
mbstat_total.m_clusters += mbstat[i].m_clusters;
mbstat_total.m_jclusters += mbstat[i].m_jclusters;
mbstat_total.m_clfree += mbstat[i].m_clfree;
mbstat_total.m_drops += mbstat[i].m_drops;
mbstat_total.m_wait += mbstat[i].m_wait;
mbstat_total.m_drain += mbstat[i].m_drain;
mbstat_total.m_mcfail += mbstat[i].m_mcfail;
mbstat_total.m_mpfail += mbstat[i].m_mpfail;
mbstat_total.m_msize = mbstat[0].m_msize;
mbstat_total.m_mclbytes = mbstat[0].m_mclbytes;
mbstat_total.m_minclsize = mbstat[0].m_minclsize;
mbstat_total.m_mlen = mbstat[0].m_mlen;
mbstat_total.m_mhlen = mbstat[0].m_mhlen;
++mbstat[mycpu->gd_cpuid].m_drops;
++mbstat[mycpu->gd_cpuid].m_drops;
++mbstat[mycpu->gd_cpuid].m_drops;
++mbstat[mycpu->gd_cpuid].m_drops;
mbstat[i].m_msize = MSIZE;
mbstat[i].m_mclbytes = MCLBYTES;
mbstat[i].m_mjumpagesize = MJUMPAGESIZE;
mbstat[i].m_minclsize = MINCLSIZE;
mbstat[i].m_mlen = MLEN;
mbstat[i].m_mhlen = MHLEN;
++mbstat[mycpu->gd_cpuid].m_drain;
mbstat = calloc(ncpus, sizeof(*mbstat));
if (kread(mbaddr, (char *)mbstat, sizeof *mbstat * ncpus))
mbstat[0].m_mbufs += mbstat[n].m_mbufs;
mbstat[0].m_clusters += mbstat[n].m_clusters;
mbstat[0].m_drops += mbstat[n].m_drops;
mbstat[0].m_wait += mbstat[n].m_wait;
mbstat[0].m_drain += mbstat[n].m_drain;
mbstat = malloc(sizeof(*mbstat));
mbstatlen = sizeof *mbstat;
if (sysctl(name, 3, mbstat, &mbstatlen, 0, 0) < 0) {
#define MSIZE (mbstat->m_msize)
#define MCLBYTES (mbstat->m_mclbytes)
#define MJUMPAGESIZE (mbstat->m_mjumpagesize)
printf("%lu/%u mbufs in use (current/max):\n", mbstat->m_mbufs, nmbufs);
mbstat->m_clusters, nmbclusters);
mbstat->m_jclusters, nmbjclusters);
totmem = mbstat->m_mbufs * MSIZE + mbstat->m_clusters * MCLBYTES +
mbstat->m_jclusters * MJUMPAGESIZE;
printf("%lu requests for memory denied\n", mbstat->m_drops);
printf("%lu requests for memory delayed\n", mbstat->m_wait);
printf("%lu calls to protocol drain routines\n", mbstat->m_drain);
if (mbstat != NULL)
free(mbstat);
struct mbstat *mbstat;
mbstat = NULL;
mb = (struct mbstat *)calloc(1, sizeof *mb);
static struct mbstat *mb;