From 498c803bd9ecf9f48cc28dc194869b7fbcf5a32b Mon Sep 17 00:00:00 2001 From: in2 Date: Fri, 28 Mar 2003 13:40:18 +0000 Subject: add diskstat.c git-svn-id: http://opensvn.csie.org/pttbbs/pttbbs/trunk/pttbbs@740 63ad8ddf-47c3-0310-b6dd-a9e9d9715204 --- util/diskstat.c | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 util/diskstat.c (limited to 'util') diff --git a/util/diskstat.c b/util/diskstat.c new file mode 100644 index 00000000..86b6291c --- /dev/null +++ b/util/diskstat.c @@ -0,0 +1,99 @@ +#include +#include +#include +#include +#include + +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 -- cgit v1.2.3