static void
getinfo(struct Info *ls)
{
struct devinfo *tmp_dinfo;
struct nchstats *nch_tmp;
size_t size;
size_t vms_size = sizeof(ls->Vms);
size_t vmm_size = sizeof(ls->Vmm);
size_t nch_size = sizeof(ls->nchstats) * SMP_MAXCPU;
if (sysctlbyname("vm.vmstats", &ls->Vms, &vms_size, NULL, 0)) {
perror("sysctlbyname: vm.vmstats");
exit(1);
}
if (sysctlbyname("vm.vmmeter", &ls->Vmm, &vmm_size, NULL, 0)) {
perror("sysctlbyname: vm.vmstats");
exit(1);
}
if (kinfo_get_sched_cputime(&ls->cp_time))
err(1, "kinfo_get_sched_cputime");
if (kinfo_get_sched_cputime(&cp_time))
err(1, "kinfo_get_sched_cputime");
NREAD(X_BUFFERSPACE, &ls->bufspace, sizeof(ls->bufspace));
NREAD(X_DESIREDVNODES, &ls->desiredvnodes, sizeof(ls->desiredvnodes));
NREAD(X_NUMVNODES, &ls->numvnodes, sizeof(ls->numvnodes));
NREAD(X_FREEVNODES, &ls->freevnodes, sizeof(ls->freevnodes));
NREAD(X_NUMDIRTYBUFFERS, &ls->dirtybufspace, sizeof(ls->dirtybufspace));
if (nintr) {
size = nintr * sizeof(ls->intrcnt[0]);
sysctlbyname("hw.intrcnt_all", ls->intrcnt, &size, NULL, 0);
}
size = sizeof(ls->Total);
if (sysctlbyname("vm.vmtotal", &ls->Total, &size, NULL, 0) < 0) {
error("Can't get kernel info: %s\n", strerror(errno));
bzero(&ls->Total, sizeof(ls->Total));
}
if ((nch_tmp = malloc(nch_size)) == NULL) {
perror("malloc");
exit(1);
} else {
if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) {
perror("sysctlbyname vfs.cache.nchstats");
free(nch_tmp);
exit(1);
} else {
if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) {
perror("realloc");
exit(1);
}
}
}
if (kinfo_get_cpus(&ncpu))
err(1, "kinfo_get_cpus");
kvm_nch_cpuagg(nch_tmp, &ls->nchstats, ncpu);
free(nch_tmp);
tmp_dinfo = last.dinfo;
last.dinfo = cur.dinfo;
cur.dinfo = tmp_dinfo;
last.busy_time = cur.busy_time;
switch (getdevs(&cur)) {
case -1:
errx(1, "%s", devstat_errbuf);
break;
case 1:
num_devices = cur.dinfo->numdevs;
generation = cur.dinfo->generation;
cmdkre("refresh", NULL);
break;
default:
break;
}
}
static void
dosum(void)
{
struct nchstats *nch_tmp, nchstats;
size_t vms_size = sizeof(vms);
size_t vmm_size = sizeof(vmm);
int cpucnt;
u_long nchtotal;
u_long nchpathtotal;
size_t nch_size = sizeof(struct nchstats) * SMP_MAXCPU;
if (sysctlbyname("vm.vmstats", &vms, &vms_size, NULL, 0)) {
perror("sysctlbyname: vm.vmstats");
exit(1);
}
if (sysctlbyname("vm.vmmeter", &vmm, &vmm_size, NULL, 0)) {
perror("sysctlbyname: vm.vmstats");
exit(1);
}
printf("%9u cpu context switches\n", vmm.v_swtch);
printf("%9u device interrupts\n", vmm.v_intr);
printf("%9u software interrupts\n", vmm.v_soft);
printf("%9u traps\n", vmm.v_trap);
printf("%9u system calls\n", vmm.v_syscall);
printf("%9u kernel threads created\n", vmm.v_kthreads);
printf("%9u fork() calls\n", vmm.v_forks);
printf("%9u vfork() calls\n", vmm.v_vforks);
printf("%9u rfork() calls\n", vmm.v_rforks);
printf("%9u exec() calls\n", vmm.v_exec);
printf("%9u swap pager pageins\n", vmm.v_swapin);
printf("%9u swap pager pages paged in\n", vmm.v_swappgsin);
printf("%9u swap pager pageouts\n", vmm.v_swapout);
printf("%9u swap pager pages paged out\n", vmm.v_swappgsout);
printf("%9u vnode pager pageins\n", vmm.v_vnodein);
printf("%9u vnode pager pages paged in\n", vmm.v_vnodepgsin);
printf("%9u vnode pager pageouts\n", vmm.v_vnodeout);
printf("%9u vnode pager pages paged out\n", vmm.v_vnodepgsout);
printf("%9u page daemon wakeups\n", vmm.v_pdwakeups);
printf("%9u pages examined by the page daemon\n", vmm.v_pdpages);
printf("%9u pages reactivated\n", vmm.v_reactivated);
printf("%9u copy-on-write faults\n", vmm.v_cow_faults);
printf("%9u copy-on-write optimized faults\n", vmm.v_cow_optim);
printf("%9u zero fill pages zeroed\n", vmm.v_zfod);
printf("%9u zero fill pages prezeroed\n", vmm.v_ozfod);
printf("%9u intransit blocking page faults\n", vmm.v_intrans);
printf("%9u total VM faults taken\n", vmm.v_vm_faults);
printf("%9u pages affected by kernel thread creation\n", vmm.v_kthreadpages);
printf("%9u pages affected by fork()\n", vmm.v_forkpages);
printf("%9u pages affected by vfork()\n", vmm.v_vforkpages);
printf("%9u pages affected by rfork()\n", vmm.v_rforkpages);
printf("%9u pages freed\n", vmm.v_tfree);
printf("%9u pages freed by daemon\n", vmm.v_dfree);
printf("%9u pages freed by exiting processes\n", vmm.v_pfree);
printf("%9u pages active\n", vms.v_active_count);
printf("%9u pages inactive\n", vms.v_inactive_count);
printf("%9u pages in VM cache\n", vms.v_cache_count);
printf("%9u pages wired down\n", vms.v_wire_count);
printf("%9u pages free\n", vms.v_free_count);
printf("%9u bytes per page\n", vms.v_page_size);
printf("%9u global smp invltlbs\n", vmm.v_smpinvltlb);
if ((nch_tmp = malloc(nch_size)) == NULL) {
perror("malloc");
exit(1);
} else {
if (sysctlbyname("vfs.cache.nchstats", nch_tmp, &nch_size, NULL, 0)) {
perror("sysctlbyname vfs.cache.nchstats");
free(nch_tmp);
exit(1);
} else {
if ((nch_tmp = realloc(nch_tmp, nch_size)) == NULL) {
perror("realloc");
exit(1);
}
}
}
cpucnt = nch_size / sizeof(struct nchstats);
kvm_nch_cpuagg(nch_tmp, &nchstats, cpucnt);
nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits +
nchstats.ncs_badhits + nchstats.ncs_falsehits +
nchstats.ncs_miss;
nchpathtotal = nchstats.ncs_longhits + nchstats.ncs_longmiss;
printf("%9ld total path lookups\n", nchpathtotal);
printf("%9ld total component lookups\n", nchtotal);
printf(
"%9s cache hits (%ld%% pos + %ld%% neg)\n",
"", PCT(nchstats.ncs_goodhits, nchtotal),
PCT(nchstats.ncs_neghits, nchtotal));
printf("%9s deletions %ld%%, falsehits %ld%%\n", "",
PCT(nchstats.ncs_badhits, nchtotal),
PCT(nchstats.ncs_falsehits, nchtotal));
free(nch_tmp);
}