void
updatexfers(int numdevs, int *devs)
{
register int i, j, t;
struct statinfo stats;
int num_devices = 0;
u_int64_t total_transfers;
if ((num_devices = getnumdevs()) < 0) {
syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
devstat_errbuf);
exit(1);
}
if (checkversion() < 0) {
syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
exit(1);
}
stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
bzero(stats.dinfo, sizeof(struct devinfo));
if (getdevs(&stats) == -1) {
syslog(LOG_ERR, "rstatd: can't get device list: %s",
devstat_errbuf);
exit(1);
}
for (i = 0, j = 0; i < stats.dinfo->numdevs && j < numdevs; i++) {
if (((stats.dinfo->devices[i].device_type
& DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
&& ((stats.dinfo->devices[i].device_type
& DEVSTAT_TYPE_PASS) == 0)) {
total_transfers = stats.dinfo->devices[i].num_reads +
stats.dinfo->devices[i].num_writes +
stats.dinfo->devices[i].num_other;
/*
* XXX KDM If the total transfers for this device
* are greater than the amount we can fit in a
* signed integer, just set them to the maximum
* amount we can fit in a signed integer. I have a
* feeling that the rstat protocol assumes 32-bit
* integers, so this could well break on a 64-bit
* architecture like the Alpha.
*/
if (total_transfers > INT_MAX)
t = INT_MAX;
else
t = total_transfers;
devs[j] = t;
j++;
}
}
if (stats.dinfo->mem_ptr)
free(stats.dinfo->mem_ptr);
free(stats.dinfo);
}
/*
* returns true if have a disk
*/
int
haveadisk(void)
{
register int i;
struct statinfo stats;
int num_devices, retval = 0;
if ((num_devices = getnumdevs()) < 0) {
syslog(LOG_ERR, "rstatd: can't get number of devices: %s",
devstat_errbuf);
exit(1);
}
if (checkversion() < 0) {
syslog(LOG_ERR, "rstatd: %s", devstat_errbuf);
exit(1);
}
stats.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
bzero(stats.dinfo, sizeof(struct devinfo));
if (getdevs(&stats) == -1) {
syslog(LOG_ERR, "rstatd: can't get device list: %s",
devstat_errbuf);
exit(1);
}
for (i = 0; i < stats.dinfo->numdevs; i++) {
if (((stats.dinfo->devices[i].device_type
& DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT)
&& ((stats.dinfo->devices[i].device_type
& DEVSTAT_TYPE_PASS) == 0)) {
retval = 1;
break;
}
}
if (stats.dinfo->mem_ptr)
free(stats.dinfo->mem_ptr);
free(stats.dinfo);
return(retval);
}
int
initiostat(void)
{
if ((num_devices = getnumdevs()) < 0)
return(0);
cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
bzero(cur.dinfo, sizeof(struct devinfo));
bzero(last.dinfo, sizeof(struct devinfo));
/*
* This value for maxshowdevs (100) is bogus. I'm not sure exactly
* how to calculate it, though.
*/
if (dsinit(100, &cur, &last, NULL) != 1)
return(0);
return(1);
}
int
initkre(void)
{
char *intrnamebuf;
size_t bytes;
size_t b;
size_t i;
if (namelist[0].n_type == 0) {
if (kvm_nlist(kd, namelist)) {
nlisterr(namelist);
return(0);
}
if (namelist[0].n_type == 0) {
error("No namelist");
return(0);
}
}
if ((num_devices = getnumdevs()) < 0) {
warnx("%s", devstat_errbuf);
return(0);
}
cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
run.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
bzero(cur.dinfo, sizeof(struct devinfo));
bzero(last.dinfo, sizeof(struct devinfo));
bzero(run.dinfo, sizeof(struct devinfo));
if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
return(0);
if (nintr == 0) {
if (sysctlbyname("hw.intrnames", NULL, &bytes, NULL, 0) == 0) {
intrnamebuf = malloc(bytes);
sysctlbyname("hw.intrnames", intrnamebuf, &bytes,
NULL, 0);
for (i = 0; i < bytes; ++i) {
if (intrnamebuf[i] == 0)
++nintr;
}
intrname = malloc(nintr * sizeof(char *));
intrloc = malloc(nintr * sizeof(*intrloc));
nintr = 0;
for (b = i = 0; i < bytes; ++i) {
if (intrnamebuf[i] == 0) {
intrname[nintr] = intrnamebuf + b;
intrloc[nintr] = 0;
b = i + 1;
++nintr;
}
}
}
nextintsrow = INTSROW + 2;
allocinfo(&s);
allocinfo(&s1);
allocinfo(&s2);
allocinfo(&z);
}
getinfo(&s2);
copyinfo(&s2, &s1);
return(1);
}
