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#include <stdio.h>
#include <stdlib.h>
#include <sys/dkstat.h>
#include <devstat.h>
#include <err.h>
int main(int argc, char **argv)
{
return 0;
}
#if 0
typedef enum {
DS_MATCHTYPE_NONE,
DS_MATCHTYPE_SPEC,
DS_MATCHTYPE_PATTERN
} last_match_type;
last_match_type last_type;
struct device_selection *dev_select;
long generation;
int num_devices, num_selected;
int num_selections;
long select_generation;
struct devstat_match *matches = NULL;
int num_matches = 0;
char **specified_devices;
int num_devices_specified = 0;
int
dsinit(int maxshowdevs, struct statinfo *s1, struct statinfo *s2,
struct statinfo *s3)
{
generation = 0;
num_devices = 0;
num_selected = 0;
num_selections = 0;
select_generation = 0;
last_type = DS_MATCHTYPE_NONE;
if (getdevs(s1) == -1)
errx(1, "%s", devstat_errbuf);
num_devices = s1->dinfo->numdevs;
generation = s1->dinfo->generation;
dev_select = NULL;
/*
* At this point, selectdevs will almost surely indicate that the
* device list has changed, so we don't look for return values of 0
* or 1. If we get back -1, though, there is an error.
*/
if (selectdevs(&dev_select, &num_selected, &num_selections,
&select_generation, generation, s1->dinfo->devices,
num_devices, NULL, 0, NULL, 0, DS_SELECT_ADD,
maxshowdevs, 0) == -1)
errx(1, "%s", devstat_errbuf);
return(1);
}
static void
dinfo(dn, lc, now, then)
int dn, lc;
struct statinfo *now, *then;
{
long double transfers_per_second;
long double kb_per_transfer, mb_per_second;
long double elapsed_time, device_busy;
int di;
di = dev_select[dn].position;
elapsed_time = devstat_compute_etime(now->busy_time,
then ? then->busy_time : now->dinfo->devices[di].dev_creation_time);
device_busy = devstat_compute_etime(now->dinfo->devices[di].busy_time,
then ? then->dinfo->devices[di].busy_time :
now->dinfo->devices[di].dev_creation_time);
if ((device_busy == 0) && (transfers_per_second > 5))
/* the device has been 100% busy, fake it because
* as long as the device is 100% busy the busy_time
* field in the devstat struct is not updated */
device_busy = elapsed_time;
if (device_busy > elapsed_time)
/* this normally happens after one or more periods
* where the device has been 100% busy, correct it */
device_busy = elapsed_time;
/*
putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0);
putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0);
putlongdouble(device_busy * 100 / elapsed_time, DISKROW + 4, lc, 5, 0, 0);
*/
}
#endif
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