static void
dovmstat(unsigned int interval, int reps)
{
struct vmtotal total;
time_t uptime, halfuptime;
struct devinfo *tmp_dinfo;
size_t size;
int ncpus, maxid;
u_long cpumask;
int rate_adj;
uptime = getuptime() / 1000000000LL;
halfuptime = uptime / 2;
rate_adj = 1;
ncpus = 1;
maxid = 0;
/*
* If the user stops the program (control-Z) and then resumes it,
* print out the header again.
*/
(void)signal(SIGCONT, needhdr);
/*
* If our standard output is a tty, then install a SIGWINCH handler
* and set wresized so that our first iteration through the main
* vmstat loop will peek at the terminal's current rows to find out
* how many lines can fit in a screenful of output.
*/
if (isatty(fileno(stdout)) != 0) {
wresized = 1;
(void)signal(SIGWINCH, needresize);
} else {
wresized = 0;
winlines = VMSTAT_DEFAULT_LINES;
}
if (kd != NULL) {
if (namelist[X_STATHZ].n_type != 0 &&
namelist[X_STATHZ].n_value != 0)
kread(X_STATHZ, &hz, sizeof(hz));
if (!hz)
kread(X_HZ, &hz, sizeof(hz));
} else {
struct clockinfo clockrate;
size = sizeof(clockrate);
mysysctl("kern.clockrate", &clockrate, &size, NULL, 0);
if (size != sizeof(clockrate))
errx(1, "clockrate size mismatch");
hz = clockrate.hz;
}
if (Pflag) {
ncpus = getcpuinfo(&cpumask, &maxid);
size_cp_times = sizeof(long) * (maxid + 1) * CPUSTATES;
cur_cp_times = calloc(1, size_cp_times);
last_cp_times = calloc(1, size_cp_times);
}
for (hdrcnt = 1;;) {
if (!--hdrcnt)
printhdr(maxid, cpumask);
if (kd != NULL) {
if (kvm_getcptime(kd, cur.cp_time) < 0)
errx(1, "kvm_getcptime: %s", kvm_geterr(kd));
} else {
size = sizeof(cur.cp_time);
mysysctl("kern.cp_time", &cur.cp_time, &size, NULL, 0);
if (size != sizeof(cur.cp_time))
errx(1, "cp_time size mismatch");
}
if (Pflag) {
size = size_cp_times;
mysysctl("kern.cp_times", cur_cp_times, &size, NULL, 0);
if (size != size_cp_times)
errx(1, "cp_times mismatch");
}
tmp_dinfo = last.dinfo;
last.dinfo = cur.dinfo;
cur.dinfo = tmp_dinfo;
last.snap_time = cur.snap_time;
/*
* Here what we want to do is refresh our device stats.
* getdevs() returns 1 when the device list has changed.
* If the device list has changed, we want to go through
* the selection process again, in case a device that we
* were previously displaying has gone away.
*/
switch (devstat_getdevs(NULL, &cur)) {
case -1:
errx(1, "%s", devstat_errbuf);
break;
case 1: {
int retval;
num_devices = cur.dinfo->numdevs;
generation = cur.dinfo->generation;
retval = devstat_selectdevs(&dev_select, &num_selected,
&num_selections, &select_generation,
generation, cur.dinfo->devices,
num_devices, matches, num_matches,
specified_devices,
num_devices_specified, select_mode,
maxshowdevs, 0);
switch (retval) {
case -1:
errx(1, "%s", devstat_errbuf);
break;
case 1:
printhdr(maxid, cpumask);
break;
default:
break;
}
}
default:
break;
}
fill_vmmeter(&sum);
fill_vmtotal(&total);
(void)printf("%1d %1d %1d",
total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);
#define vmstat_pgtok(a) ((a) * (sum.v_page_size >> 10))
#define rate(x) (((x) * rate_adj + halfuptime) / uptime) /* round */
if (hflag) {
printf("");
prthuman(total.t_avm * (u_int64_t)sum.v_page_size, 5);
printf(" ");
prthuman(total.t_free * (u_int64_t)sum.v_page_size, 5);
printf(" ");
(void)printf("%5lu ",
(unsigned long)rate(sum.v_vm_faults -
osum.v_vm_faults));
} else {
printf(" %7d", vmstat_pgtok(total.t_avm));
printf(" %7d ", vmstat_pgtok(total.t_free));
(void)printf("%4lu ",
(unsigned long)rate(sum.v_vm_faults -
osum.v_vm_faults));
}
(void)printf("%3lu ",
(unsigned long)rate(sum.v_reactivated - osum.v_reactivated));
(void)printf("%3lu ",
(unsigned long)rate(sum.v_swapin + sum.v_vnodein -
(osum.v_swapin + osum.v_vnodein)));
(void)printf("%3lu ",
(unsigned long)rate(sum.v_swapout + sum.v_vnodeout -
(osum.v_swapout + osum.v_vnodeout)));
(void)printf("%5lu ",
(unsigned long)rate(sum.v_tfree - osum.v_tfree));
(void)printf("%4lu ",
(unsigned long)rate(sum.v_pdpages - osum.v_pdpages));
devstats();
(void)printf("%4lu %5lu %5lu",
(unsigned long)rate(sum.v_intr - osum.v_intr),
(unsigned long)rate(sum.v_syscall - osum.v_syscall),
(unsigned long)rate(sum.v_swtch - osum.v_swtch));
if (Pflag)
pcpustats(ncpus, cpumask, maxid);
else
cpustats();
(void)printf("\n");
(void)fflush(stdout);
if (reps >= 0 && --reps <= 0)
break;
osum = sum;
uptime = interval;
rate_adj = 1000;
/*
* We round upward to avoid losing low-frequency events
* (i.e., >= 1 per interval but < 1 per millisecond).
*/
if (interval != 1)
halfuptime = (uptime + 1) / 2;
else
halfuptime = 0;
(void)usleep(interval * 1000);
}
}
static void
dovmstat(u_int interval, int reps)
{
struct vmtotal total;
struct devinfo *tmp_dinfo;
size_t vmm_size = sizeof(vmm);
size_t vms_size = sizeof(vms);
size_t vmt_size = sizeof(total);
int initial = 1;
signal(SIGCONT, needhdr);
for (hdrcnt = 1;;) {
if (!--hdrcnt)
printhdr();
if (kinfo_get_sched_cputime(&cp_time))
err(1, "kinfo_get_sched_cputime");
tmp_dinfo = last.dinfo;
last.dinfo = cur.dinfo;
cur.dinfo = tmp_dinfo;
last.busy_time = cur.busy_time;
/*
* Here what we want to do is refresh our device stats.
* getdevs() returns 1 when the device list has changed.
* If the device list has changed, we want to go through
* the selection process again, in case a device that we
* were previously displaying has gone away.
*/
switch (getdevs(&cur)) {
case -1:
errx(1, "%s", devstat_errbuf);
break;
case 1: {
int retval;
num_devices = cur.dinfo->numdevs;
generation = cur.dinfo->generation;
retval = selectdevs(&dev_select, &num_selected,
&num_selections, &select_generation,
generation, cur.dinfo->devices,
num_devices, matches, num_matches,
specified_devices,
num_devices_specified, select_mode,
maxshowdevs, 0);
switch (retval) {
case -1:
errx(1, "%s", devstat_errbuf);
break;
case 1:
printhdr();
break;
default:
break;
}
}
default:
break;
}
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.vmmeter");
exit(1);
}
if (sysctlbyname("vm.vmtotal", &total, &vmt_size, NULL, 0)) {
perror("sysctlbyname: vm.vmtotal");
exit(1);
}
printf("%2ld %1ld %1ld",
total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);
#define vmstat_pgtok(a) \
(intmax_t)(((intmax_t)(a) * vms.v_page_size) >> 10)
#define rate(x) \
(intmax_t)(initial ? (x) : ((intmax_t)(x) * 1000 + interval / 2) \
/ interval)
printf(" %7jd %6jd ",
vmstat_pgtok(total.t_avm),
vmstat_pgtok(total.t_free));
printf("%4ju ",
rate(vmm.v_vm_faults - ovmm.v_vm_faults));
printf("%3ju ",
rate(vmm.v_reactivated - ovmm.v_reactivated));
printf("%3ju ",
rate(vmm.v_swapin + vmm.v_vnodein -
(ovmm.v_swapin + ovmm.v_vnodein)));
printf("%3ju ",
rate(vmm.v_swapout + vmm.v_vnodeout -
(ovmm.v_swapout + ovmm.v_vnodeout)));
printf("%3ju ",
rate(vmm.v_tfree - ovmm.v_tfree));
printf("%3ju ",
rate(vmm.v_pdpages - ovmm.v_pdpages));
devstats();
printf("%4ju %4ju %3ju ",
rate(vmm.v_intr - ovmm.v_intr),
rate(vmm.v_syscall - ovmm.v_syscall),
rate(vmm.v_swtch - ovmm.v_swtch));
cpustats();
printf("\n");
fflush(stdout);
if (reps >= 0 && --reps <= 0)
break;
ovmm = vmm;
usleep(interval * 1000);
initial = 0;
}
}
/*
* Print a running summary of nfs statistics.
* Repeat display every interval seconds, showing statistics
* collected over that interval. Assumes that interval is non-zero.
* First line printed at top of screen is always cumulative.
*/
void
sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
{
struct nfsstats nfsstats, lastst, *nfsstatsp;
struct nfsrvstats nfsrvstats, lastsrvst, *nfsrvstatsp;
int hdrcnt = 1;
nfsstatsp = &lastst;
nfsrvstatsp = &lastsrvst;
readstats(&nfsstatsp, &nfsrvstatsp, 0);
if (clientOnly && !nfsstatsp) {
printf("Client not present!\n");
clientOnly = 0;
}
if (serverOnly && !nfsrvstatsp) {
printf("Server not present!\n");
serverOnly = 0;
}
sleep(interval);
for (;;) {
nfsstatsp = &nfsstats;
nfsrvstatsp = &nfsrvstats;
readstats(&nfsstatsp, &nfsrvstatsp, 0);
if (--hdrcnt == 0) {
printhdr(clientOnly, serverOnly);
if (clientOnly && serverOnly)
hdrcnt = 10;
else
hdrcnt = 20;
}
if (clientOnly) {
printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
((clientOnly && serverOnly) ? "Client:" : ""),
DELTA(attrcache_hits) + DELTA(attrcache_misses),
DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
DELTA(biocache_readlinks),
DELTA(biocache_reads),
DELTA(biocache_writes),
nfsstats.rpccnt[NFSPROC_RENAME]-lastst.rpccnt[NFSPROC_RENAME],
DELTA(accesscache_hits) + DELTA(accesscache_misses),
DELTA(biocache_readdirs)
);
if (widemode) {
printf(" %s %s %s %s %s %s",
sperc1(DELTA(attrcache_hits),
DELTA(attrcache_misses)),
sperc1(DELTA(lookupcache_hits),
DELTA(lookupcache_misses)),
sperc2(DELTA(biocache_reads),
DELTA(read_bios)),
sperc2(DELTA(biocache_writes),
DELTA(write_bios)),
sperc1(DELTA(accesscache_hits),
DELTA(accesscache_misses)),
sperc2(DELTA(biocache_readdirs),
DELTA(readdir_bios))
);
}
printf("\n");
lastst = nfsstats;
}
if (serverOnly) {
printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
((clientOnly && serverOnly) ? "Server:" : ""),
nfsrvstats.srvrpccnt[NFSPROC_GETATTR]-lastsrvst.srvrpccnt[NFSPROC_GETATTR],
nfsrvstats.srvrpccnt[NFSPROC_LOOKUP]-lastsrvst.srvrpccnt[NFSPROC_LOOKUP],
nfsrvstats.srvrpccnt[NFSPROC_READLINK]-lastsrvst.srvrpccnt[NFSPROC_READLINK],
nfsrvstats.srvrpccnt[NFSPROC_READ]-lastsrvst.srvrpccnt[NFSPROC_READ],
nfsrvstats.srvrpccnt[NFSPROC_WRITE]-lastsrvst.srvrpccnt[NFSPROC_WRITE],
nfsrvstats.srvrpccnt[NFSPROC_RENAME]-lastsrvst.srvrpccnt[NFSPROC_RENAME],
nfsrvstats.srvrpccnt[NFSPROC_ACCESS]-lastsrvst.srvrpccnt[NFSPROC_ACCESS],
(nfsrvstats.srvrpccnt[NFSPROC_READDIR]-lastsrvst.srvrpccnt[NFSPROC_READDIR])
+(nfsrvstats.srvrpccnt[NFSPROC_READDIRPLUS]-lastsrvst.srvrpccnt[NFSPROC_READDIRPLUS]));
printf("\n");
lastsrvst = nfsrvstats;
}
fflush(stdout);
sleep(interval);
}
/*NOTREACHED*/
}
/*
* Print a running summary of nfs statistics for the experimental client and/or
* server.
* Repeat display every interval seconds, showing statistics
* collected over that interval. Assumes that interval is non-zero.
* First line printed at top of screen is always cumulative.
*/
void
exp_sidewaysintpr(u_int interval, int clientOnly, int serverOnly)
{
struct ext_nfsstats nfsstats, lastst, *ext_nfsstatsp;
int hdrcnt = 1;
ext_nfsstatsp = &lastst;
if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
err(1, "Can't get stats");
sleep(interval);
for (;;) {
ext_nfsstatsp = &nfsstats;
if (nfssvc(NFSSVC_GETSTATS, ext_nfsstatsp) < 0)
err(1, "Can't get stats");
if (--hdrcnt == 0) {
printhdr(clientOnly, serverOnly);
if (clientOnly && serverOnly)
hdrcnt = 10;
else
hdrcnt = 20;
}
if (clientOnly) {
printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
((clientOnly && serverOnly) ? "Client:" : ""),
DELTA(attrcache_hits) + DELTA(attrcache_misses),
DELTA(lookupcache_hits) + DELTA(lookupcache_misses),
DELTA(biocache_readlinks),
DELTA(biocache_reads),
DELTA(biocache_writes),
nfsstats.rpccnt[NFSPROC_RENAME] -
lastst.rpccnt[NFSPROC_RENAME],
DELTA(accesscache_hits) + DELTA(accesscache_misses),
DELTA(biocache_readdirs)
);
if (widemode) {
printf(" %s %s %s %s %s %s",
sperc1(DELTA(attrcache_hits),
DELTA(attrcache_misses)),
sperc1(DELTA(lookupcache_hits),
DELTA(lookupcache_misses)),
sperc2(DELTA(biocache_reads),
DELTA(read_bios)),
sperc2(DELTA(biocache_writes),
DELTA(write_bios)),
sperc1(DELTA(accesscache_hits),
DELTA(accesscache_misses)),
sperc2(DELTA(biocache_readdirs),
DELTA(readdir_bios))
);
}
printf("\n");
lastst = nfsstats;
}
if (serverOnly) {
printf("%s %6d %6d %6d %6d %6d %6d %6d %6d",
((clientOnly && serverOnly) ? "Server:" : ""),
nfsstats.srvrpccnt[NFSV4OP_GETATTR] -
lastst.srvrpccnt[NFSV4OP_GETATTR],
nfsstats.srvrpccnt[NFSV4OP_LOOKUP] -
lastst.srvrpccnt[NFSV4OP_LOOKUP],
nfsstats.srvrpccnt[NFSV4OP_READLINK] -
lastst.srvrpccnt[NFSV4OP_READLINK],
nfsstats.srvrpccnt[NFSV4OP_READ] -
lastst.srvrpccnt[NFSV4OP_READ],
nfsstats.srvrpccnt[NFSV4OP_WRITE] -
lastst.srvrpccnt[NFSV4OP_WRITE],
nfsstats.srvrpccnt[NFSV4OP_RENAME] -
lastst.srvrpccnt[NFSV4OP_RENAME],
nfsstats.srvrpccnt[NFSV4OP_ACCESS] -
lastst.srvrpccnt[NFSV4OP_ACCESS],
(nfsstats.srvrpccnt[NFSV4OP_READDIR] -
lastst.srvrpccnt[NFSV4OP_READDIR]) +
(nfsstats.srvrpccnt[NFSV4OP_READDIRPLUS] -
lastst.srvrpccnt[NFSV4OP_READDIRPLUS]));
printf("\n");
lastst = nfsstats;
}
fflush(stdout);
sleep(interval);
}
/*NOTREACHED*/
}
void
dovmstat(u_int interval, int reps)
{
time_t uptime, halfuptime;
struct clockinfo clkinfo;
struct vmtotal total;
size_t size;
int mib[2];
uptime = getuptime();
halfuptime = uptime / 2;
(void)signal(SIGCONT, needhdr);
mib[0] = CTL_KERN;
mib[1] = KERN_CLOCKRATE;
size = sizeof(clkinfo);
if (sysctl(mib, 2, &clkinfo, &size, NULL, 0) < 0) {
warn("could not read kern.clockrate");
return;
}
hz = clkinfo.stathz;
for (hdrcnt = 1;;) {
/* Read new disk statistics */
dkreadstats();
if (!--hdrcnt || last.dk_ndrive != cur.dk_ndrive)
printhdr();
if (nlistf == NULL && memf == NULL) {
size = sizeof(struct uvmexp);
mib[0] = CTL_VM;
mib[1] = VM_UVMEXP;
if (sysctl(mib, 2, &uvmexp, &size, NULL, 0) < 0) {
warn("could not get vm.uvmexp");
bzero(&uvmexp, sizeof(struct uvmexp));
}
} else {
kread(X_UVMEXP, &uvmexp, sizeof(struct uvmexp));
}
size = sizeof(total);
mib[0] = CTL_VM;
mib[1] = VM_METER;
if (sysctl(mib, 2, &total, &size, NULL, 0) < 0) {
warn("could not read vm.vmmeter");
bzero(&total, sizeof(total));
}
(void)printf(" %u %u %u ",
total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);
#define rate(x) ((unsigned)((((unsigned)x) + halfuptime) / uptime)) /* round */
#define pgtok(a) ((a) * ((unsigned int)uvmexp.pagesize >> 10))
(void)printf("%6u %7u ",
pgtok(uvmexp.active + uvmexp.swpginuse),
pgtok(uvmexp.free));
(void)printf("%4u ", rate(uvmexp.faults - ouvmexp.faults));
(void)printf("%3u ", rate(uvmexp.pdreact - ouvmexp.pdreact));
(void)printf("%3u ", rate(uvmexp.pageins - ouvmexp.pageins));
(void)printf("%3u %3u ",
rate(uvmexp.pdpageouts - ouvmexp.pdpageouts), 0);
(void)printf("%3u ", rate(uvmexp.pdscans - ouvmexp.pdscans));
dkstats();
(void)printf("%4u %5u %4u ",
rate(uvmexp.intrs - ouvmexp.intrs),
rate(uvmexp.syscalls - ouvmexp.syscalls),
rate(uvmexp.swtch - ouvmexp.swtch));
cpustats();
(void)printf("\n");
(void)fflush(stdout);
if (reps >= 0 && --reps <= 0)
break;
ouvmexp = uvmexp;
uptime = interval;
/*
* We round upward to avoid losing low-frequency events
* (i.e., >= 1 per interval but < 1 per second).
*/
halfuptime = uptime == 1 ? 0 : (uptime + 1) / 2;
(void)sleep(interval);
}
}
