systat -zarc to display disk activities like -vm
PR: 213310 Submitted by: ota MFH: 4 weeks Differential Revision: https://reviews.freebsd.org/D18726
This commit is contained in:
Michael Reifenberger
parent
5c4ce6fac2
commit
4551884596
@ -2,6 +2,7 @@
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1998 Kenneth D. Merry.
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* 2015 Yoshihiro Ota
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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@ -69,7 +70,6 @@ static const char sccsid[] = "@(#)disks.c 8.1 (Berkeley) 6/6/93";
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#include <sys/resource.h>
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#include <ctype.h>
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#include <devstat.h>
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#include <err.h>
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#include <stdlib.h>
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#include <string.h>
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@ -84,6 +84,8 @@ typedef enum {
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DS_MATCHTYPE_PATTERN
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} last_match_type;
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struct statinfo cur_dev, last_dev, run_dev;
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last_match_type last_type;
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struct device_selection *dev_select;
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long generation;
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@ -101,10 +103,8 @@ static int dsselect(const char *args, devstat_select_mode select_mode,
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int maxshowdevs, struct statinfo *s1);
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int
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dsinit(int maxshowdevs, struct statinfo *s1, struct statinfo *s2 __unused,
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struct statinfo *s3 __unused)
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dsinit(int maxshowdevs)
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{
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/*
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* Make sure that the userland devstat version matches the kernel
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* devstat version. If not, exit and print a message informing
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@ -113,6 +113,18 @@ dsinit(int maxshowdevs, struct statinfo *s1, struct statinfo *s2 __unused,
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if (devstat_checkversion(NULL) < 0)
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errx(1, "%s", devstat_errbuf);
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if( cur_dev.dinfo ) // init was alreay ran
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return(1);
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if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
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warnx("%s", devstat_errbuf);
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return(0);
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}
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cur_dev.dinfo = calloc(1, sizeof(struct devinfo));
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last_dev.dinfo = calloc(1, sizeof(struct devinfo));
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run_dev.dinfo = calloc(1, sizeof(struct devinfo));
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generation = 0;
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num_devices = 0;
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num_selected = 0;
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@ -120,11 +132,11 @@ dsinit(int maxshowdevs, struct statinfo *s1, struct statinfo *s2 __unused,
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select_generation = 0;
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last_type = DS_MATCHTYPE_NONE;
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if (devstat_getdevs(NULL, s1) == -1)
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if (devstat_getdevs(NULL, &cur_dev) == -1)
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errx(1, "%s", devstat_errbuf);
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num_devices = s1->dinfo->numdevs;
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generation = s1->dinfo->generation;
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num_devices = cur_dev.dinfo->numdevs;
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generation = cur_dev.dinfo->generation;
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dev_select = NULL;
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@ -134,13 +146,31 @@ dsinit(int maxshowdevs, struct statinfo *s1, struct statinfo *s2 __unused,
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* or 1. If we get back -1, though, there is an error.
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*/
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if (devstat_selectdevs(&dev_select, &num_selected, &num_selections,
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&select_generation, generation, s1->dinfo->devices, num_devices,
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&select_generation, generation, cur_dev.dinfo->devices, num_devices,
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NULL, 0, NULL, 0, DS_SELECT_ADD, maxshowdevs, 0) == -1)
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errx(1, "%d %s", __LINE__, devstat_errbuf);
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return(1);
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}
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void
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dsgetinfo(struct statinfo* dev)
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{
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switch (devstat_getdevs(NULL, dev)) {
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case -1:
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errx(1, "%s", devstat_errbuf);
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break;
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case 1:
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num_devices = dev->dinfo->numdevs;
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generation = dev->dinfo->generation;
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cmdkre("refresh", NULL);
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break;
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default:
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break;
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}
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}
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int
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dscmd(const char *cmd, const char *args, int maxshowdevs, struct statinfo *s1)
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{
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@ -331,3 +361,83 @@ dsselect(const char *args, devstat_select_mode select_mode, int maxshowdevs,
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}
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return(1);
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}
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void
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dslabel(int maxdrives, int diskcol, int diskrow)
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{
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int i, j;
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mvprintw(diskrow, diskcol, "Disks");
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mvprintw(diskrow + 1, diskcol, "KB/t");
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mvprintw(diskrow + 2, diskcol, "tps");
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mvprintw(diskrow + 3, diskcol, "MB/s");
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mvprintw(diskrow + 4, diskcol, "%%busy");
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/*
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* For now, we don't support a fourth disk statistic. So there's
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* no point in providing a label for it. If someone can think of a
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* fourth useful disk statistic, there is room to add it.
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*/
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/* mvprintw(diskrow + 4, diskcol, " msps"); */
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j = 0;
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for (i = 0; i < num_devices && j < maxdrives; i++)
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if (dev_select[i].selected) {
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char tmpstr[80];
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sprintf(tmpstr, "%s%d", dev_select[i].device_name,
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dev_select[i].unit_number);
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mvprintw(diskrow, diskcol + 5 + 6 * j,
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" %5.5s", tmpstr);
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j++;
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}
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}
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static void
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dsshow2(int diskcol, int diskrow, int dn, int lc, struct statinfo *now, struct statinfo *then)
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{
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long double transfers_per_second;
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long double kb_per_transfer, mb_per_second;
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long double elapsed_time, device_busy;
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int di;
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di = dev_select[dn].position;
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if (then != NULL) {
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/* Calculate relative to previous sample */
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elapsed_time = now->snap_time - then->snap_time;
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} else {
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/* Calculate relative to device creation */
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elapsed_time = now->snap_time - devstat_compute_etime(
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&now->dinfo->devices[di].creation_time, NULL);
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}
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if (devstat_compute_statistics(&now->dinfo->devices[di], then ?
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&then->dinfo->devices[di] : NULL, elapsed_time,
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DSM_KB_PER_TRANSFER, &kb_per_transfer,
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DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
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DSM_MB_PER_SECOND, &mb_per_second,
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DSM_BUSY_PCT, &device_busy,
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DSM_NONE) != 0)
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errx(1, "%s", devstat_errbuf);
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lc = diskcol + lc * 6;
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putlongdouble(kb_per_transfer, diskrow + 1, lc, 5, 2, 0);
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putlongdouble(transfers_per_second, diskrow + 2, lc, 5, 0, 0);
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putlongdouble(mb_per_second, diskrow + 3, lc, 5, 2, 0);
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putlongdouble(device_busy, diskrow + 4, lc, 5, 0, 0);
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}
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static void
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dsshow3(int diskcol, int diskrow, int dn, int lc, struct statinfo *now, struct statinfo *then)
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{
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dsshow2(diskcol, diskrow, dn, lc, now, then);
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}
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void
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dsshow(int maxdrives, int diskcol, int diskrow, struct statinfo *now, struct statinfo *then)
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{
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int i, lc;
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for (i = 0, lc = 0; i < num_devices && lc < maxdrives; i++)
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if (dev_select[i].selected)
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dsshow3(diskcol, diskrow, i, ++lc, now, then);
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}
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@ -2,6 +2,7 @@
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 1998 David E. O'Brien
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* 2015 Yoshihiro Ota
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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@ -28,5 +29,18 @@
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* $FreeBSD$
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*/
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int dsinit(int, struct statinfo *, struct statinfo *, struct statinfo *);
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#ifndef DEVS_H
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#define DEVS_H
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#include <devstat.h>
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int dsinit(int);
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void dsgetinfo(struct statinfo *);
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int dscmd(const char *, const char *, int, struct statinfo *);
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void dslabel(int, int, int);
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void dsshow(int, int, int, struct statinfo *, struct statinfo *);
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extern struct statinfo cur_dev, last_dev, run_dev;
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#endif
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@ -79,8 +79,6 @@ static const char sccsid[] = "@(#)iostat.c 8.1 (Berkeley) 6/6/93";
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#include "extern.h"
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#include "devs.h"
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struct statinfo cur, last;
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static int linesperregion;
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static double etime;
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static int numbers = 0; /* default display bar graphs */
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@ -111,17 +109,11 @@ closeiostat(WINDOW *w)
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int
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initiostat(void)
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{
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if ((num_devices = devstat_getnumdevs(NULL)) < 0)
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return(0);
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cur.dinfo = calloc(1, sizeof(struct devinfo));
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last.dinfo = calloc(1, sizeof(struct devinfo));
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/*
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* This value for maxshowdevs (100) is bogus. I'm not sure exactly
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* how to calculate it, though.
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*/
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if (dsinit(100, &cur, &last, NULL) != 1)
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if (dsinit(7) != 1)
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return(0);
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return(1);
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@ -133,17 +125,17 @@ fetchiostat(void)
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struct devinfo *tmp_dinfo;
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size_t len;
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len = sizeof(cur.cp_time);
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if (sysctlbyname("kern.cp_time", &cur.cp_time, &len, NULL, 0)
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|| len != sizeof(cur.cp_time)) {
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len = sizeof(cur_dev.cp_time);
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if (sysctlbyname("kern.cp_time", &cur_dev.cp_time, &len, NULL, 0)
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|| len != sizeof(cur_dev.cp_time)) {
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perror("kern.cp_time");
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exit (1);
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}
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tmp_dinfo = last.dinfo;
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last.dinfo = cur.dinfo;
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cur.dinfo = tmp_dinfo;
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tmp_dinfo = last_dev.dinfo;
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last_dev.dinfo = cur_dev.dinfo;
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cur_dev.dinfo = tmp_dinfo;
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last.snap_time = cur.snap_time;
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last_dev.snap_time = cur_dev.snap_time;
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/*
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* Here what we want to do is refresh our device stats.
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@ -152,7 +144,7 @@ fetchiostat(void)
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* the selection process again, in case a device that we
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* were previously displaying has gone away.
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*/
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switch (devstat_getdevs(NULL, &cur)) {
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switch (devstat_getdevs(NULL, &cur_dev)) {
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case -1:
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errx(1, "%s", devstat_errbuf);
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break;
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@ -162,8 +154,8 @@ fetchiostat(void)
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default:
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break;
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}
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num_devices = cur.dinfo->numdevs;
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generation = cur.dinfo->generation;
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num_devices = cur_dev.dinfo->numdevs;
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generation = cur_dev.dinfo->generation;
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}
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@ -260,11 +252,11 @@ showiostat(void)
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long t;
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int i, row, _col;
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#define X(fld) t = cur.fld[i]; cur.fld[i] -= last.fld[i]; last.fld[i] = t
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#define X(fld) t = cur_dev.fld[i]; cur_dev.fld[i] -= last_dev.fld[i]; last_dev.fld[i] = t
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etime = 0;
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for(i = 0; i < CPUSTATES; i++) {
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X(cp_time);
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etime += cur.cp_time[i];
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etime += cur_dev.cp_time[i];
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}
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if (etime == 0.0)
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etime = 1.0;
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@ -313,10 +305,10 @@ devstats(int row, int _col, int dn)
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di = dev_select[dn].position;
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busy_seconds = cur.snap_time - last.snap_time;
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busy_seconds = cur_dev.snap_time - last_dev.snap_time;
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if (devstat_compute_statistics(&cur.dinfo->devices[di],
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&last.dinfo->devices[di], busy_seconds,
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if (devstat_compute_statistics(&cur_dev.dinfo->devices[di],
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&last_dev.dinfo->devices[di], busy_seconds,
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DSM_KB_PER_TRANSFER, &kb_per_transfer,
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DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
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DSM_MB_PER_SECOND, &mb_per_second, DSM_NONE) != 0)
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@ -349,12 +341,12 @@ stat1(int row, int o)
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dtime = 0.0;
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for (i = 0; i < CPUSTATES; i++)
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dtime += cur.cp_time[i];
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dtime += cur_dev.cp_time[i];
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if (dtime == 0.0)
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dtime = 1.0;
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wmove(wnd, row, INSET);
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#define CPUSCALE 0.5
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histogram(100.0 * cur.cp_time[o] / dtime, 50, CPUSCALE);
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histogram(100.0 * cur_dev.cp_time[o] / dtime, 50, CPUSCALE);
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}
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static void
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@ -388,7 +380,7 @@ cmdiostat(const char *cmd, const char *args)
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numbers = 1;
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else if (prefix(cmd, "bars"))
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numbers = 0;
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else if (!dscmd(cmd, args, 100, &cur))
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else if (!dscmd(cmd, args, 100, &cur_dev))
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return (0);
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wclear(wnd);
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labeliostat();
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@ -3,6 +3,7 @@
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*
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* Copyright (c) 1980, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 2017 Yoshihiro Ota
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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@ -55,6 +56,7 @@ static const char sccsid[] = "@(#)swap.c 8.3 (Berkeley) 4/29/95";
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#include "systat.h"
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#include "extern.h"
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#include "devs.h"
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kvm_t *kd;
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@ -137,13 +139,15 @@ initswap(void)
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oulen = ulen;
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once = 1;
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dsinit(12);
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return (1);
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}
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void
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fetchswap(void)
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{
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okvnsw = kvnsw;
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if ((kvnsw = kvm_getswapinfo(kd, kvmsw, NSWAP, 0)) < 0) {
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error("systat: kvm_getswapinfo failed");
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@ -153,6 +157,15 @@ fetchswap(void)
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odlen = dlen;
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oulen = ulen;
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calclens();
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struct devinfo *tmp_dinfo;
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tmp_dinfo = last_dev.dinfo;
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last_dev.dinfo = cur_dev.dinfo;
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cur_dev.dinfo = tmp_dinfo;
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last_dev.snap_time = cur_dev.snap_time;
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dsgetinfo( &cur_dev );
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}
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void
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@ -178,6 +191,7 @@ labelswap(void)
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name = kvmsw[i].ksw_devname;
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mvwprintw(wnd, i + 1, 0, "%*s", -dlen, name);
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}
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dslabel(12, 0, 18);
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}
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void
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@ -217,4 +231,5 @@ showswap(void)
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waddch(wnd, 'X');
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wclrtoeol(wnd);
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}
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dsshow(12, 0, 18, &cur_dev, &last_dev);
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}
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@ -68,3 +68,7 @@ extern int use_kvm;
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#define NVAL(indx) namelist[(indx)].n_value
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#define NPTR(indx) (void *)NVAL((indx))
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#define NREAD(indx, buf, len) kvm_ckread(NPTR((indx)), (buf), (len))
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extern void putint(int, int, int, int);
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extern void putfloat(double, int, int, int, int, int);
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extern void putlongdouble(long double, int, int, int, int, int);
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@ -66,7 +66,6 @@ static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
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#include <time.h>
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#include <unistd.h>
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#include <utmpx.h>
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#include <devstat.h>
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#include "systat.h"
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#include "extern.h"
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#include "devs.h"
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@ -125,7 +124,6 @@ static struct Info {
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static u_long kmem_size;
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static u_int v_page_count;
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struct statinfo cur, last, run;
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#define total s.Total
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#define nchtotal s.nchstats
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@ -137,13 +135,9 @@ enum divisor { IEC = 0, SI = HN_DIVISOR_1000 };
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static void allocinfo(struct Info *);
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static void copyinfo(struct Info *, struct Info *);
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static float cputime(int);
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static void dinfo(int, int, struct statinfo *, struct statinfo *);
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static void do_putuint64(uint64_t, int, int, int, int);
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static void getinfo(struct Info *);
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static void putint(int, int, int, int);
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static void putuint64(uint64_t, int, int, int);
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static void putfloat(double, int, int, int, int, int);
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static void putlongdouble(long double, int, int, int, int, int);
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static int ucount(void);
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static int ncpu;
|
||||
@ -209,16 +203,7 @@ initkre(void)
|
||||
int i;
|
||||
size_t sz;
|
||||
|
||||
if ((num_devices = devstat_getnumdevs(NULL)) < 0) {
|
||||
warnx("%s", devstat_errbuf);
|
||||
return(0);
|
||||
}
|
||||
|
||||
cur.dinfo = calloc(1, sizeof(struct devinfo));
|
||||
last.dinfo = calloc(1, sizeof(struct devinfo));
|
||||
run.dinfo = calloc(1, sizeof(struct devinfo));
|
||||
|
||||
if (dsinit(MAXDRIVES, &cur, &last, &run) != 1)
|
||||
if (dsinit(MAXDRIVES) != 1)
|
||||
return(0);
|
||||
|
||||
if (nintr == 0) {
|
||||
@ -371,27 +356,7 @@ labelkre(void)
|
||||
mvprintw(NAMEIROW, NAMEICOL, "Namei Name-cache Dir-cache");
|
||||
mvprintw(NAMEIROW + 1, NAMEICOL,
|
||||
" Calls hits %% hits %%");
|
||||
mvprintw(DISKROW, DISKCOL, "Disks");
|
||||
mvprintw(DISKROW + 1, DISKCOL, "KB/t");
|
||||
mvprintw(DISKROW + 2, DISKCOL, "tps");
|
||||
mvprintw(DISKROW + 3, DISKCOL, "MB/s");
|
||||
mvprintw(DISKROW + 4, DISKCOL, "%%busy");
|
||||
/*
|
||||
* For now, we don't support a fourth disk statistic. So there's
|
||||
* no point in providing a label for it. If someone can think of a
|
||||
* fourth useful disk statistic, there is room to add it.
|
||||
*/
|
||||
/* mvprintw(DISKROW + 4, DISKCOL, " msps"); */
|
||||
j = 0;
|
||||
for (i = 0; i < num_devices && j < MAXDRIVES; i++)
|
||||
if (dev_select[i].selected) {
|
||||
char tmpstr[80];
|
||||
sprintf(tmpstr, "%s%d", dev_select[i].device_name,
|
||||
dev_select[i].unit_number);
|
||||
mvprintw(DISKROW, DISKCOL + 5 + 6 * j,
|
||||
" %5.5s", tmpstr);
|
||||
j++;
|
||||
}
|
||||
dslabel(MAXDRIVES, DISKCOL, DISKROW);
|
||||
|
||||
for (i = 0; i < nintr; i++) {
|
||||
if (intrloc[i] == 0)
|
||||
@ -401,7 +366,7 @@ labelkre(void)
|
||||
}
|
||||
|
||||
#define X(fld) {t=s.fld[i]; s.fld[i]-=s1.fld[i]; if(state==TIME) s1.fld[i]=t;}
|
||||
#define Q(fld) {t=cur.fld[i]; cur.fld[i]-=last.fld[i]; if(state==TIME) last.fld[i]=t;}
|
||||
#define Q(fld) {t=cur_dev.fld[i]; cur_dev.fld[i]-=last_dev.fld[i]; if(state==TIME) last_dev.fld[i]=t;}
|
||||
#define Y(fld) {t = s.fld; s.fld -= s1.fld; if(state == TIME) s1.fld = t;}
|
||||
#define Z(fld) {t = s.nchstats.fld; s.nchstats.fld -= s1.nchstats.fld; \
|
||||
if(state == TIME) s1.nchstats.fld = t;}
|
||||
@ -543,20 +508,17 @@ showkre(void)
|
||||
PUTRATE(v_intr, GENSTATROW + 1, GENSTATCOL + 15, 4);
|
||||
PUTRATE(v_soft, GENSTATROW + 1, GENSTATCOL + 20, 4);
|
||||
PUTRATE(v_vm_faults, GENSTATROW + 1, GENSTATCOL + 25, 4);
|
||||
for (i = 0, lc = 0; i < num_devices && lc < MAXDRIVES; i++)
|
||||
if (dev_select[i].selected) {
|
||||
switch(state) {
|
||||
case TIME:
|
||||
dinfo(i, ++lc, &cur, &last);
|
||||
break;
|
||||
case RUN:
|
||||
dinfo(i, ++lc, &cur, &run);
|
||||
break;
|
||||
case BOOT:
|
||||
dinfo(i, ++lc, &cur, NULL);
|
||||
break;
|
||||
}
|
||||
}
|
||||
switch(state) {
|
||||
case TIME:
|
||||
dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, &last_dev);
|
||||
break;
|
||||
case RUN:
|
||||
dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, &run_dev);
|
||||
break;
|
||||
case BOOT:
|
||||
dsshow(MAXDRIVES, DISKCOL, DISKROW, &cur_dev, NULL);
|
||||
break;
|
||||
}
|
||||
putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7);
|
||||
putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7);
|
||||
putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7);
|
||||
@ -582,14 +544,14 @@ cmdkre(const char *cmd, const char *args)
|
||||
if (prefix(cmd, "run")) {
|
||||
retval = 1;
|
||||
copyinfo(&s2, &s1);
|
||||
switch (devstat_getdevs(NULL, &run)) {
|
||||
switch (devstat_getdevs(NULL, &run_dev)) {
|
||||
case -1:
|
||||
errx(1, "%s", devstat_errbuf);
|
||||
break;
|
||||
case 1:
|
||||
num_devices = run.dinfo->numdevs;
|
||||
generation = run.dinfo->generation;
|
||||
retval = dscmd("refresh", NULL, MAXDRIVES, &cur);
|
||||
num_devices = run_dev.dinfo->numdevs;
|
||||
generation = run_dev.dinfo->generation;
|
||||
retval = dscmd("refresh", NULL, MAXDRIVES, &cur_dev);
|
||||
if (retval == 2)
|
||||
labelkre();
|
||||
break;
|
||||
@ -612,14 +574,14 @@ cmdkre(const char *cmd, const char *args)
|
||||
retval = 1;
|
||||
if (state == RUN) {
|
||||
getinfo(&s1);
|
||||
switch (devstat_getdevs(NULL, &run)) {
|
||||
switch (devstat_getdevs(NULL, &run_dev)) {
|
||||
case -1:
|
||||
errx(1, "%s", devstat_errbuf);
|
||||
break;
|
||||
case 1:
|
||||
num_devices = run.dinfo->numdevs;
|
||||
generation = run.dinfo->generation;
|
||||
retval = dscmd("refresh",NULL, MAXDRIVES, &cur);
|
||||
num_devices = run_dev.dinfo->numdevs;
|
||||
generation = run_dev.dinfo->generation;
|
||||
retval = dscmd("refresh",NULL, MAXDRIVES, &cur_dev);
|
||||
if (retval == 2)
|
||||
labelkre();
|
||||
break;
|
||||
@ -629,7 +591,7 @@ cmdkre(const char *cmd, const char *args)
|
||||
}
|
||||
return (retval);
|
||||
}
|
||||
retval = dscmd(cmd, args, MAXDRIVES, &cur);
|
||||
retval = dscmd(cmd, args, MAXDRIVES, &cur_dev);
|
||||
|
||||
if (retval == 2)
|
||||
labelkre();
|
||||
@ -667,7 +629,7 @@ cputime(int indx)
|
||||
return (s.time[indx] * 100.0 / lt);
|
||||
}
|
||||
|
||||
static void
|
||||
void
|
||||
putint(int n, int l, int lc, int w)
|
||||
{
|
||||
|
||||
@ -713,7 +675,7 @@ do_putuint64(uint64_t n, int l, int lc, int w, int div)
|
||||
addstr(b);
|
||||
}
|
||||
|
||||
static void
|
||||
void
|
||||
putfloat(double f, int l, int lc, int w, int d, int nz)
|
||||
{
|
||||
int snr;
|
||||
@ -745,7 +707,7 @@ putfloat(double f, int l, int lc, int w, int d, int nz)
|
||||
addstr(b);
|
||||
}
|
||||
|
||||
static void
|
||||
void
|
||||
putlongdouble(long double f, int l, int lc, int w, int d, int nz)
|
||||
{
|
||||
int snr;
|
||||
@ -785,7 +747,7 @@ getinfo(struct Info *ls)
|
||||
int mib[2];
|
||||
|
||||
GETSYSCTL("kern.cp_time", ls->time);
|
||||
GETSYSCTL("kern.cp_time", cur.cp_time);
|
||||
GETSYSCTL("kern.cp_time", cur_dev.cp_time);
|
||||
GETSYSCTL("vm.stats.sys.v_swtch", ls->v_swtch);
|
||||
GETSYSCTL("vm.stats.sys.v_trap", ls->v_trap);
|
||||
GETSYSCTL("vm.stats.sys.v_syscall", ls->v_syscall);
|
||||
@ -838,23 +800,12 @@ getinfo(struct Info *ls)
|
||||
size != sizeof(ncpu))
|
||||
ncpu = 1;
|
||||
|
||||
tmp_dinfo = last.dinfo;
|
||||
last.dinfo = cur.dinfo;
|
||||
cur.dinfo = tmp_dinfo;
|
||||
tmp_dinfo = last_dev.dinfo;
|
||||
last_dev.dinfo = cur_dev.dinfo;
|
||||
cur_dev.dinfo = tmp_dinfo;
|
||||
|
||||
last.snap_time = cur.snap_time;
|
||||
switch (devstat_getdevs(NULL, &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;
|
||||
}
|
||||
last_dev.snap_time = cur_dev.snap_time;
|
||||
dsgetinfo(&cur_dev);
|
||||
}
|
||||
|
||||
static void
|
||||
@ -881,38 +832,3 @@ copyinfo(struct Info *from, struct Info *to)
|
||||
|
||||
bcopy(from->intrcnt, to->intrcnt = intrcnt, nintr * sizeof (int));
|
||||
}
|
||||
|
||||
static void
|
||||
dinfo(int dn, int lc, struct statinfo *now, struct statinfo *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;
|
||||
|
||||
if (then != NULL) {
|
||||
/* Calculate relative to previous sample */
|
||||
elapsed_time = now->snap_time - then->snap_time;
|
||||
} else {
|
||||
/* Calculate relative to device creation */
|
||||
elapsed_time = now->snap_time - devstat_compute_etime(
|
||||
&now->dinfo->devices[di].creation_time, NULL);
|
||||
}
|
||||
|
||||
if (devstat_compute_statistics(&now->dinfo->devices[di], then ?
|
||||
&then->dinfo->devices[di] : NULL, elapsed_time,
|
||||
DSM_KB_PER_TRANSFER, &kb_per_transfer,
|
||||
DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
|
||||
DSM_MB_PER_SECOND, &mb_per_second,
|
||||
DSM_BUSY_PCT, &device_busy,
|
||||
DSM_NONE) != 0)
|
||||
errx(1, "%s", devstat_errbuf);
|
||||
|
||||
lc = DISKCOL + lc * 6;
|
||||
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, DISKROW + 4, lc, 5, 0, 0);
|
||||
}
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
/*-
|
||||
* Copyright (c) 2014
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
* Copyright (c) 2014 - 2017 Yoshihiro Ota
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
@ -33,11 +32,14 @@ __FBSDID("$FreeBSD$");
|
||||
#include <sys/types.h>
|
||||
#include <sys/sysctl.h>
|
||||
|
||||
/* #include <stdlib.h> */
|
||||
#include <inttypes.h>
|
||||
#include <string.h>
|
||||
#include <err.h>
|
||||
|
||||
#include "systat.h"
|
||||
#include "extern.h"
|
||||
#include "devs.h"
|
||||
|
||||
struct zfield{
|
||||
uint64_t arcstats;
|
||||
@ -77,21 +79,23 @@ closezarc(WINDOW *w)
|
||||
void
|
||||
labelzarc(void)
|
||||
{
|
||||
int row = 1;
|
||||
wmove(wnd, 0, 0); wclrtoeol(wnd);
|
||||
mvwprintw(wnd, 0, 31+1, "%4.4s %7.7s %7.7s %12.12s %12.12s",
|
||||
"rate", "hits", "misses", "total hits", "total misses");
|
||||
#define L(row, str) mvwprintw(wnd, row, 5, str); \
|
||||
#define L(str) mvwprintw(wnd, row, 5, #str); \
|
||||
mvwprintw(wnd, row, 31, ":"); \
|
||||
mvwprintw(wnd, row, 31+4, "%%")
|
||||
L(1, "arcstats");
|
||||
L(2, "arcstats.demand_data");
|
||||
L(3, "arcstats.demand_metadata");
|
||||
L(4, "arcstats.prefetch_data");
|
||||
L(5, "arcstats.prefetch_metadata");
|
||||
L(6, "zfetchstats");
|
||||
L(7, "arcstats.l2");
|
||||
L(8, "vdev_cache_stats");
|
||||
mvwprintw(wnd, row, 31+4, "%%"); ++row
|
||||
L(arcstats);
|
||||
L(arcstats.demand_data);
|
||||
L(arcstats.demand_metadata);
|
||||
L(arcstats.prefetch_data);
|
||||
L(arcstats.prefetch_metadata);
|
||||
L(zfetchstats);
|
||||
L(arcstats.l2);
|
||||
L(vdev_cache_stats);
|
||||
#undef L
|
||||
dslabel(12, 0, 18);
|
||||
}
|
||||
|
||||
static int calc(uint64_t hits, uint64_t misses)
|
||||
@ -131,6 +135,7 @@ domode(struct zarcstats *delta, struct zarcstats *rate)
|
||||
void
|
||||
showzarc(void)
|
||||
{
|
||||
int row = 1;
|
||||
struct zarcstats delta, rate;
|
||||
|
||||
memset(&delta, 0, sizeof delta);
|
||||
@ -138,34 +143,37 @@ showzarc(void)
|
||||
|
||||
domode(&delta, &rate);
|
||||
|
||||
#define DO(stat, row, col, fmt) \
|
||||
#define DO(stat, col, fmt) \
|
||||
mvwprintw(wnd, row, col, fmt, stat)
|
||||
#define R(row, stat) DO(rate.hits.stat, row, 31+1, "%3"PRIu64)
|
||||
#define H(row, stat) DO(delta.hits.stat, row, 31+1+5, "%7"PRIu64); \
|
||||
DO(curstat.hits.stat, row, 31+1+5+8+8, "%12"PRIu64)
|
||||
#define M(row, stat) DO(delta.misses.stat, row, 31+1+5+8, "%7"PRIu64); \
|
||||
DO(curstat.misses.stat, row, 31+1+5+8+8+13, "%12"PRIu64)
|
||||
#define E(row, stat) R(row, stat); H(row, stat); M(row, stat);
|
||||
E(1, arcstats);
|
||||
E(2, arcstats_demand_data);
|
||||
E(3, arcstats_demand_metadata);
|
||||
E(4, arcstats_prefetch_data);
|
||||
E(5, arcstats_prefetch_metadata);
|
||||
E(6, zfetchstats);
|
||||
E(7, arcstats_l2);
|
||||
E(8, vdev_cache_stats);
|
||||
#define R(stat) DO(rate.hits.stat, 31+1, "%3"PRIu64)
|
||||
#define H(stat) DO(delta.hits.stat, 31+1+5, "%7"PRIu64); \
|
||||
DO(curstat.hits.stat, 31+1+5+8+8, "%12"PRIu64)
|
||||
#define M(stat) DO(delta.misses.stat, 31+1+5+8, "%7"PRIu64); \
|
||||
DO(curstat.misses.stat, 31+1+5+8+8+13, "%12"PRIu64)
|
||||
#define E(stat) R(stat); H(stat); M(stat); ++row
|
||||
E(arcstats);
|
||||
E(arcstats_demand_data);
|
||||
E(arcstats_demand_metadata);
|
||||
E(arcstats_prefetch_data);
|
||||
E(arcstats_prefetch_metadata);
|
||||
E(zfetchstats);
|
||||
E(arcstats_l2);
|
||||
E(vdev_cache_stats);
|
||||
#undef DO
|
||||
#undef E
|
||||
#undef M
|
||||
#undef H
|
||||
#undef R
|
||||
dsshow(12, 0, 18, &cur_dev, &last_dev);
|
||||
}
|
||||
|
||||
int
|
||||
initzarc(void)
|
||||
{
|
||||
dsinit(12);
|
||||
getinfo(&initstat);
|
||||
curstat = oldstat = initstat;
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
@ -178,6 +186,15 @@ resetzarc(void)
|
||||
static void
|
||||
getinfo(struct zarcstats *ls)
|
||||
{
|
||||
struct devinfo *tmp_dinfo;
|
||||
|
||||
tmp_dinfo = last_dev.dinfo;
|
||||
last_dev.dinfo = cur_dev.dinfo;
|
||||
cur_dev.dinfo = tmp_dinfo;
|
||||
|
||||
last_dev.snap_time = cur_dev.snap_time;
|
||||
dsgetinfo( &cur_dev );
|
||||
|
||||
size_t size = sizeof( ls->hits.arcstats );
|
||||
if ( sysctlbyname("kstat.zfs.misc.arcstats.hits",
|
||||
&ls->hits.arcstats, &size, NULL, 0 ) != 0 )
|
||||
|
||||
Loading…
Reference in New Issue
Block a user