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-rw-r--r--usr.bin/systat/vmstat.c875
1 files changed, 875 insertions, 0 deletions
diff --git a/usr.bin/systat/vmstat.c b/usr.bin/systat/vmstat.c
new file mode 100644
index 0000000..459b58d
--- /dev/null
+++ b/usr.bin/systat/vmstat.c
@@ -0,0 +1,875 @@
+/*-
+ * Copyright (c) 1983, 1989, 1992, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+
+__FBSDID("$FreeBSD$");
+
+#ifdef lint
+static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94";
+#endif
+
+/*
+ * Cursed vmstat -- from Robert Elz.
+ */
+
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/proc.h>
+#include <sys/uio.h>
+#include <sys/namei.h>
+#include <sys/resource.h>
+#include <sys/sysctl.h>
+#include <sys/vmmeter.h>
+
+#include <vm/vm_param.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <langinfo.h>
+#include <nlist.h>
+#include <paths.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <utmpx.h>
+#include <devstat.h>
+#include "systat.h"
+#include "extern.h"
+#include "devs.h"
+
+static struct Info {
+ long time[CPUSTATES];
+ u_int v_swtch; /* context switches */
+ u_int v_trap; /* calls to trap */
+ u_int v_syscall; /* calls to syscall() */
+ u_int v_intr; /* device interrupts */
+ u_int v_soft; /* software interrupts */
+ /*
+ * Virtual memory activity.
+ */
+ u_int v_vm_faults; /* number of address memory faults */
+ u_int v_cow_faults; /* number of copy-on-writes */
+ u_int v_zfod; /* pages zero filled on demand */
+ u_int v_ozfod; /* optimized zero fill pages */
+ u_int v_swapin; /* swap pager pageins */
+ u_int v_swapout; /* swap pager pageouts */
+ u_int v_swappgsin; /* swap pager pages paged in */
+ u_int v_swappgsout; /* swap pager pages paged out */
+ u_int v_vnodein; /* vnode pager pageins */
+ u_int v_vnodeout; /* vnode pager pageouts */
+ u_int v_vnodepgsin; /* vnode_pager pages paged in */
+ u_int v_vnodepgsout; /* vnode pager pages paged out */
+ u_int v_intrans; /* intransit blocking page faults */
+ u_int v_reactivated; /* number of pages reactivated from free list */
+ u_int v_pdwakeups; /* number of times daemon has awaken from sleep */
+ u_int v_pdpages; /* number of pages analyzed by daemon */
+
+ u_int v_dfree; /* pages freed by daemon */
+ u_int v_pfree; /* pages freed by exiting processes */
+ u_int v_tfree; /* total pages freed */
+ /*
+ * Distribution of page usages.
+ */
+ u_int v_page_size; /* page size in bytes */
+ u_int v_free_count; /* number of pages free */
+ u_int v_wire_count; /* number of pages wired down */
+ u_int v_active_count; /* number of pages active */
+ u_int v_inactive_count; /* number of pages inactive */
+ u_int v_cache_count; /* number of pages on buffer cache queue */
+ struct vmtotal Total;
+ struct nchstats nchstats;
+ long nchcount;
+ long *intrcnt;
+ long bufspace;
+ int desiredvnodes;
+ long numvnodes;
+ long freevnodes;
+ int numdirtybuffers;
+} s, s1, s2, z;
+
+struct statinfo cur, last, run;
+
+#define total s.Total
+#define nchtotal s.nchstats
+#define oldnchtotal s1.nchstats
+
+static enum state { BOOT, TIME, RUN } state = TIME;
+
+static void allocinfo(struct Info *);
+static void copyinfo(struct Info *, struct Info *);
+static float cputime(int);
+static void dinfo(int, int, struct statinfo *, struct statinfo *);
+static void getinfo(struct Info *);
+static void putint(int, int, int, int);
+static void putfloat(double, int, int, int, int, int);
+static void putlongdouble(long double, int, int, int, int, int);
+static int ucount(void);
+
+static int ncpu;
+static char buf[26];
+static time_t t;
+static double etime;
+static int nintr;
+static long *intrloc;
+static char **intrname;
+static int nextintsrow;
+
+WINDOW *
+openkre(void)
+{
+
+ return (stdscr);
+}
+
+void
+closekre(WINDOW *w)
+{
+
+ if (w == NULL)
+ return;
+ wclear(w);
+ wrefresh(w);
+}
+
+/*
+ * These constants define where the major pieces are laid out
+ */
+#define STATROW 0 /* uses 1 row and 67 cols */
+#define STATCOL 0
+#define MEMROW 2 /* uses 4 rows and 45 cols */
+#define MEMCOL 0
+#define PAGEROW 2 /* uses 4 rows and 30 cols */
+#define PAGECOL 47
+#define INTSROW 6 /* uses all rows to bottom and 16 cols */
+#define INTSCOL 64
+#define PROCSROW 6 /* uses 3 rows and 19 cols */
+#define PROCSCOL 0
+#define GENSTATROW 7 /* uses 2 rows and 29 cols */
+#define GENSTATCOL 21
+#define VMSTATROW 7 /* uses 17 rows and 12-14 cols */
+#define VMSTATCOL 49 /* actually 50-51 for some fields */
+#define GRAPHROW 10 /* uses 3 rows and 49-51 cols */
+#define GRAPHCOL 0
+#define VNSTATROW 13 /* uses 4 rows and 13 columns */
+#define VNSTATCOL 35
+#define NAMEIROW 14 /* uses 3 rows and 32 cols */
+#define NAMEICOL 0
+#define DISKROW 18 /* uses 5 rows and 47 cols (for 7 drives) */
+#define DISKCOL 0
+
+#define DRIVESPACE 7 /* max # for space */
+
+#define MAXDRIVES DRIVESPACE /* max # to display */
+
+int
+initkre(void)
+{
+ char *cp, *cp1, *cp2, *intrnamebuf, *nextcp;
+ int i;
+ size_t sz;
+
+ if ((num_devices = devstat_getnumdevs(NULL)) < 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.intrcnt", NULL, &sz, NULL, 0) == -1) {
+ error("sysctl(hw.intrcnt...) failed: %s",
+ strerror(errno));
+ return (0);
+ }
+ nintr = sz / sizeof(u_long);
+ intrloc = calloc(nintr, sizeof (long));
+ intrname = calloc(nintr, sizeof (char *));
+ intrnamebuf = sysctl_dynread("hw.intrnames", NULL);
+ if (intrnamebuf == NULL || intrname == NULL ||
+ intrloc == NULL) {
+ error("Out of memory");
+ if (intrnamebuf)
+ free(intrnamebuf);
+ if (intrname)
+ free(intrname);
+ if (intrloc)
+ free(intrloc);
+ nintr = 0;
+ return(0);
+ }
+ for (cp = intrnamebuf, i = 0; i < nintr; i++) {
+ nextcp = cp + strlen(cp) + 1;
+
+ /* Discard trailing spaces. */
+ for (cp1 = nextcp - 1; cp1 > cp && *(cp1 - 1) == ' '; )
+ *--cp1 = '\0';
+
+ /* Convert "irqN: name" to "name irqN". */
+ if (strncmp(cp, "irq", 3) == 0) {
+ cp1 = cp + 3;
+ while (isdigit((u_char)*cp1))
+ cp1++;
+ if (cp1 != cp && *cp1 == ':' &&
+ *(cp1 + 1) == ' ') {
+ sz = strlen(cp);
+ *cp1 = '\0';
+ cp1 = cp1 + 2;
+ cp2 = strdup(cp);
+ bcopy(cp1, cp, sz - (cp1 - cp) + 1);
+ if (sz <= 10 + 4) {
+ strcat(cp, " ");
+ strcat(cp, cp2 + 3);
+ }
+ free(cp2);
+ }
+ }
+
+ /*
+ * Convert "name irqN" to "name N" if the former is
+ * longer than the field width.
+ */
+ if ((cp1 = strstr(cp, "irq")) != NULL &&
+ strlen(cp) > 10)
+ bcopy(cp1 + 3, cp1, strlen(cp1 + 3) + 1);
+
+ intrname[i] = cp;
+ cp = nextcp;
+ }
+ nextintsrow = INTSROW + 2;
+ allocinfo(&s);
+ allocinfo(&s1);
+ allocinfo(&s2);
+ allocinfo(&z);
+ }
+ getinfo(&s2);
+ copyinfo(&s2, &s1);
+ return(1);
+}
+
+void
+fetchkre(void)
+{
+ time_t now;
+ struct tm *tp;
+ static int d_first = -1;
+
+ if (d_first < 0)
+ d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
+
+ time(&now);
+ tp = localtime(&now);
+ (void) strftime(buf, sizeof(buf),
+ d_first ? "%e %b %R" : "%b %e %R", tp);
+ getinfo(&s);
+}
+
+void
+labelkre(void)
+{
+ int i, j;
+
+ clear();
+ mvprintw(STATROW, STATCOL + 6, "users Load");
+ mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
+ mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
+ mvprintw(MEMROW + 2, MEMCOL, "Act");
+ mvprintw(MEMROW + 3, MEMCOL, "All");
+
+ mvprintw(MEMROW + 1, MEMCOL + 41, "Free");
+
+ mvprintw(PAGEROW, PAGECOL, " VN PAGER SWAP PAGER");
+ mvprintw(PAGEROW + 1, PAGECOL, " in out in out");
+ mvprintw(PAGEROW + 2, PAGECOL, "count");
+ mvprintw(PAGEROW + 3, PAGECOL, "pages");
+
+ mvprintw(INTSROW, INTSCOL + 1, "Interrupts");
+ mvprintw(INTSROW + 1, INTSCOL + 6, "total");
+
+ mvprintw(VMSTATROW, VMSTATCOL + 9, "cow");
+ mvprintw(VMSTATROW + 1, VMSTATCOL + 9, "zfod");
+ mvprintw(VMSTATROW + 2, VMSTATCOL + 9, "ozfod");
+ mvprintw(VMSTATROW + 3, VMSTATCOL + 9 - 1, "%%ozfod");
+ mvprintw(VMSTATROW + 4, VMSTATCOL + 9, "daefr");
+ mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "prcfr");
+ mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "totfr");
+ mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "react");
+ mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "pdwak");
+ mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "pdpgs");
+ mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "intrn");
+ mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "wire");
+ mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "act");
+ mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "inact");
+ mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "cache");
+ mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "free");
+ if (LINES - 1 > VMSTATROW + 16)
+ mvprintw(VMSTATROW + 16, VMSTATCOL + 9, "buf");
+
+ mvprintw(GENSTATROW, GENSTATCOL, " Csw Trp Sys Int Sof Flt");
+
+ mvprintw(GRAPHROW, GRAPHCOL,
+ " . %%Sys . %%Intr . %%User . %%Nice . %%Idle");
+ mvprintw(PROCSROW, PROCSCOL, "Proc:");
+ mvprintw(PROCSROW + 1, PROCSCOL, " r p d s w");
+ mvprintw(GRAPHROW + 1, GRAPHCOL,
+ "| | | | | | | | | | |");
+
+ mvprintw(VNSTATROW, VNSTATCOL + 8, "dtbuf");
+ mvprintw(VNSTATROW + 1, VNSTATCOL + 8, "desvn");
+ mvprintw(VNSTATROW + 2, VNSTATCOL + 8, "numvn");
+ mvprintw(VNSTATROW + 3, VNSTATCOL + 8, "frevn");
+
+ 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++;
+ }
+
+ for (i = 0; i < nintr; i++) {
+ if (intrloc[i] == 0)
+ continue;
+ mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]);
+ }
+}
+
+#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 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;}
+#define PUTRATE(fld, l, c, w) \
+do { \
+ Y(fld); \
+ putint((int)((float)s.fld/etime + 0.5), l, c, w); \
+} while (0)
+#define MAXFAIL 5
+
+static char cpuchar[CPUSTATES] = { '=' , '+', '>', '-', ' ' };
+static char cpuorder[CPUSTATES] = { CP_SYS, CP_INTR, CP_USER, CP_NICE,
+ CP_IDLE };
+
+void
+showkre(void)
+{
+ float f1, f2;
+ int psiz, inttotal;
+ int i, l, lc;
+ static int failcnt = 0;
+
+ etime = 0;
+ for(i = 0; i < CPUSTATES; i++) {
+ X(time);
+ Q(cp_time);
+ etime += s.time[i];
+ }
+ if (etime < 5.0) { /* < 5 ticks - ignore this trash */
+ if (failcnt++ >= MAXFAIL) {
+ clear();
+ mvprintw(2, 10, "The alternate system clock has died!");
+ mvprintw(3, 10, "Reverting to ``pigs'' display.");
+ move(CMDLINE, 0);
+ refresh();
+ failcnt = 0;
+ sleep(5);
+ command("pigs");
+ }
+ return;
+ }
+ failcnt = 0;
+ etime /= hertz;
+ etime /= ncpu;
+ inttotal = 0;
+ for (i = 0; i < nintr; i++) {
+ if (s.intrcnt[i] == 0)
+ continue;
+ X(intrcnt);
+ l = (int)((float)s.intrcnt[i]/etime + 0.5);
+ inttotal += l;
+ if (intrloc[i] == 0) {
+ if (nextintsrow == LINES)
+ continue;
+ intrloc[i] = nextintsrow++;
+ mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s",
+ intrname[i]);
+ }
+ putint(l, intrloc[i], INTSCOL, 5);
+ }
+ putint(inttotal, INTSROW + 1, INTSCOL, 5);
+ Z(ncs_goodhits); Z(ncs_badhits); Z(ncs_miss);
+ Z(ncs_long); Z(ncs_pass2); Z(ncs_2passes); Z(ncs_neghits);
+ s.nchcount = nchtotal.ncs_goodhits + nchtotal.ncs_badhits +
+ nchtotal.ncs_miss + nchtotal.ncs_long + nchtotal.ncs_neghits;
+ if (state == TIME)
+ s1.nchcount = s.nchcount;
+
+ psiz = 0;
+ f2 = 0.0;
+ for (lc = 0; lc < CPUSTATES; lc++) {
+ i = cpuorder[lc];
+ f1 = cputime(i);
+ f2 += f1;
+ l = (int) ((f2 + 1.0) / 2.0) - psiz;
+ putfloat(f1, GRAPHROW, GRAPHCOL + 10 * lc, 4, 1, 0);
+ move(GRAPHROW + 2, psiz);
+ psiz += l;
+ while (l-- > 0)
+ addch(cpuchar[lc]);
+ }
+
+ putint(ucount(), STATROW, STATCOL, 5);
+ putfloat(avenrun[0], STATROW, STATCOL + 20, 5, 2, 0);
+ putfloat(avenrun[1], STATROW, STATCOL + 26, 5, 2, 0);
+ putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0);
+ mvaddstr(STATROW, STATCOL + 55, buf);
+#define pgtokb(pg) ((pg) * (s.v_page_size / 1024))
+ putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7);
+ putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7);
+ putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8);
+ putint(pgtokb(total.t_avmshr), MEMROW + 2, MEMCOL + 29, 8);
+ putint(pgtokb(total.t_rm), MEMROW + 3, MEMCOL + 4, 7);
+ putint(pgtokb(total.t_rmshr), MEMROW + 3, MEMCOL + 12, 7);
+ putint(pgtokb(total.t_vm), MEMROW + 3, MEMCOL + 20, 8);
+ putint(pgtokb(total.t_vmshr), MEMROW + 3, MEMCOL + 29, 8);
+ putint(pgtokb(total.t_free), MEMROW + 2, MEMCOL + 38, 7);
+ putint(total.t_rq - 1, PROCSROW + 2, PROCSCOL, 3);
+ putint(total.t_pw, PROCSROW + 2, PROCSCOL + 4, 3);
+ putint(total.t_dw, PROCSROW + 2, PROCSCOL + 8, 3);
+ putint(total.t_sl, PROCSROW + 2, PROCSCOL + 12, 3);
+ putint(total.t_sw, PROCSROW + 2, PROCSCOL + 16, 3);
+ PUTRATE(v_cow_faults, VMSTATROW, VMSTATCOL + 2, 8 - 2);
+ PUTRATE(v_zfod, VMSTATROW + 1, VMSTATCOL + 2, 8 - 2);
+ PUTRATE(v_ozfod, VMSTATROW + 2, VMSTATCOL, 8);
+ putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0,
+ VMSTATROW + 3, VMSTATCOL + 1, 8 - 1);
+ PUTRATE(v_dfree, VMSTATROW + 4, VMSTATCOL + 2, 8 - 2);
+ PUTRATE(v_pfree, VMSTATROW + 5, VMSTATCOL + 2, 8 - 2);
+ PUTRATE(v_tfree, VMSTATROW + 6, VMSTATCOL, 8);
+ PUTRATE(v_reactivated, VMSTATROW + 7, VMSTATCOL, 8);
+ PUTRATE(v_pdwakeups, VMSTATROW + 8, VMSTATCOL, 8);
+ PUTRATE(v_pdpages, VMSTATROW + 9, VMSTATCOL, 8);
+ PUTRATE(v_intrans, VMSTATROW + 10, VMSTATCOL, 8);
+ putint(pgtokb(s.v_wire_count), VMSTATROW + 11, VMSTATCOL, 8);
+ putint(pgtokb(s.v_active_count), VMSTATROW + 12, VMSTATCOL, 8);
+ putint(pgtokb(s.v_inactive_count), VMSTATROW + 13, VMSTATCOL, 8);
+ putint(pgtokb(s.v_cache_count), VMSTATROW + 14, VMSTATCOL, 8);
+ putint(pgtokb(s.v_free_count), VMSTATROW + 15, VMSTATCOL, 8);
+ if (LINES - 1 > VMSTATROW + 16)
+ putint(s.bufspace / 1024, VMSTATROW + 16, VMSTATCOL, 8);
+ PUTRATE(v_vnodein, PAGEROW + 2, PAGECOL + 6, 5);
+ PUTRATE(v_vnodeout, PAGEROW + 2, PAGECOL + 12, 5);
+ PUTRATE(v_swapin, PAGEROW + 2, PAGECOL + 19, 5);
+ PUTRATE(v_swapout, PAGEROW + 2, PAGECOL + 25, 5);
+ PUTRATE(v_vnodepgsin, PAGEROW + 3, PAGECOL + 6, 5);
+ PUTRATE(v_vnodepgsout, PAGEROW + 3, PAGECOL + 12, 5);
+ PUTRATE(v_swappgsin, PAGEROW + 3, PAGECOL + 19, 5);
+ PUTRATE(v_swappgsout, PAGEROW + 3, PAGECOL + 25, 5);
+ PUTRATE(v_swtch, GENSTATROW + 1, GENSTATCOL, 4);
+ PUTRATE(v_trap, GENSTATROW + 1, GENSTATCOL + 5, 4);
+ PUTRATE(v_syscall, GENSTATROW + 1, GENSTATCOL + 10, 4);
+ 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;
+ }
+ }
+ putint(s.numdirtybuffers, VNSTATROW, VNSTATCOL, 7);
+ putint(s.desiredvnodes, VNSTATROW + 1, VNSTATCOL, 7);
+ putint(s.numvnodes, VNSTATROW + 2, VNSTATCOL, 7);
+ putint(s.freevnodes, VNSTATROW + 3, VNSTATCOL, 7);
+ putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 8);
+ putint((nchtotal.ncs_goodhits + nchtotal.ncs_neghits),
+ NAMEIROW + 2, NAMEICOL + 9, 7);
+#define nz(x) ((x) ? (x) : 1)
+ putfloat((nchtotal.ncs_goodhits+nchtotal.ncs_neghits) *
+ 100.0 / nz(s.nchcount),
+ NAMEIROW + 2, NAMEICOL + 17, 3, 0, 1);
+ putint(nchtotal.ncs_pass2, NAMEIROW + 2, NAMEICOL + 21, 7);
+ putfloat(nchtotal.ncs_pass2 * 100.0 / nz(s.nchcount),
+ NAMEIROW + 2, NAMEICOL + 29, 3, 0, 1);
+#undef nz
+}
+
+int
+cmdkre(const char *cmd, const char *args)
+{
+ int retval;
+
+ if (prefix(cmd, "run")) {
+ retval = 1;
+ copyinfo(&s2, &s1);
+ switch (devstat_getdevs(NULL, &run)) {
+ 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);
+ if (retval == 2)
+ labelkre();
+ break;
+ default:
+ break;
+ }
+ state = RUN;
+ return (retval);
+ }
+ if (prefix(cmd, "boot")) {
+ state = BOOT;
+ copyinfo(&z, &s1);
+ return (1);
+ }
+ if (prefix(cmd, "time")) {
+ state = TIME;
+ return (1);
+ }
+ if (prefix(cmd, "zero")) {
+ retval = 1;
+ if (state == RUN) {
+ getinfo(&s1);
+ switch (devstat_getdevs(NULL, &run)) {
+ 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);
+ if (retval == 2)
+ labelkre();
+ break;
+ default:
+ break;
+ }
+ }
+ return (retval);
+ }
+ retval = dscmd(cmd, args, MAXDRIVES, &cur);
+
+ if (retval == 2)
+ labelkre();
+
+ return(retval);
+}
+
+/* calculate number of users on the system */
+static int
+ucount(void)
+{
+ int nusers = 0;
+ struct utmpx *ut;
+
+ setutxent();
+ while ((ut = getutxent()) != NULL)
+ if (ut->ut_type == USER_PROCESS)
+ nusers++;
+ endutxent();
+
+ return (nusers);
+}
+
+static float
+cputime(int indx)
+{
+ double lt;
+ int i;
+
+ lt = 0;
+ for (i = 0; i < CPUSTATES; i++)
+ lt += s.time[i];
+ if (lt == 0.0)
+ lt = 1.0;
+ return (s.time[indx] * 100.0 / lt);
+}
+
+static void
+putint(int n, int l, int lc, int w)
+{
+ int snr;
+ char b[128];
+
+ move(l, lc);
+#ifdef DEBUG
+ while (w-- > 0)
+ addch('*');
+ return;
+#endif
+ if (n == 0) {
+ while (w-- > 0)
+ addch(' ');
+ return;
+ }
+ snr = snprintf(b, sizeof(b), "%*d", w, n);
+ if (snr != w)
+ snr = snprintf(b, sizeof(b), "%*dk", w - 1, n / 1000);
+ if (snr != w)
+ snr = snprintf(b, sizeof(b), "%*dM", w - 1, n / 1000000);
+ if (snr != w) {
+ while (w-- > 0)
+ addch('*');
+ return;
+ }
+ addstr(b);
+}
+
+static void
+putfloat(double f, int l, int lc, int w, int d, int nz)
+{
+ int snr;
+ char b[128];
+
+ move(l, lc);
+#ifdef DEBUG
+ while (--w >= 0)
+ addch('*');
+ return;
+#endif
+ if (nz && f == 0.0) {
+ while (--w >= 0)
+ addch(' ');
+ return;
+ }
+ snr = snprintf(b, sizeof(b), "%*.*f", w, d, f);
+ if (snr != w)
+ snr = snprintf(b, sizeof(b), "%*.0f", w, f);
+ if (snr != w) {
+ while (--w >= 0)
+ addch('*');
+ return;
+ }
+ addstr(b);
+}
+
+static void
+putlongdouble(long double f, int l, int lc, int w, int d, int nz)
+{
+ int snr;
+ char b[128];
+
+ move(l, lc);
+#ifdef DEBUG
+ while (--w >= 0)
+ addch('*');
+ return;
+#endif
+ if (nz && f == 0.0) {
+ while (--w >= 0)
+ addch(' ');
+ return;
+ }
+ snr = snprintf(b, sizeof(b), "%*.*Lf", w, d, f);
+ if (snr != w)
+ snr = snprintf(b, sizeof(b), "%*.0Lf", w, f);
+ if (snr != w) {
+ while (--w >= 0)
+ addch('*');
+ return;
+ }
+ addstr(b);
+}
+
+static void
+getinfo(struct Info *ls)
+{
+ struct devinfo *tmp_dinfo;
+ size_t size;
+ int mib[2];
+
+ GETSYSCTL("kern.cp_time", ls->time);
+ GETSYSCTL("kern.cp_time", cur.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);
+ GETSYSCTL("vm.stats.sys.v_intr", ls->v_intr);
+ GETSYSCTL("vm.stats.sys.v_soft", ls->v_soft);
+ GETSYSCTL("vm.stats.vm.v_vm_faults", ls->v_vm_faults);
+ GETSYSCTL("vm.stats.vm.v_cow_faults", ls->v_cow_faults);
+ GETSYSCTL("vm.stats.vm.v_zfod", ls->v_zfod);
+ GETSYSCTL("vm.stats.vm.v_ozfod", ls->v_ozfod);
+ GETSYSCTL("vm.stats.vm.v_swapin", ls->v_swapin);
+ GETSYSCTL("vm.stats.vm.v_swapout", ls->v_swapout);
+ GETSYSCTL("vm.stats.vm.v_swappgsin", ls->v_swappgsin);
+ GETSYSCTL("vm.stats.vm.v_swappgsout", ls->v_swappgsout);
+ GETSYSCTL("vm.stats.vm.v_vnodein", ls->v_vnodein);
+ GETSYSCTL("vm.stats.vm.v_vnodeout", ls->v_vnodeout);
+ GETSYSCTL("vm.stats.vm.v_vnodepgsin", ls->v_vnodepgsin);
+ GETSYSCTL("vm.stats.vm.v_vnodepgsout", ls->v_vnodepgsout);
+ GETSYSCTL("vm.stats.vm.v_intrans", ls->v_intrans);
+ GETSYSCTL("vm.stats.vm.v_reactivated", ls->v_reactivated);
+ GETSYSCTL("vm.stats.vm.v_pdwakeups", ls->v_pdwakeups);
+ GETSYSCTL("vm.stats.vm.v_pdpages", ls->v_pdpages);
+ GETSYSCTL("vm.stats.vm.v_dfree", ls->v_dfree);
+ GETSYSCTL("vm.stats.vm.v_pfree", ls->v_pfree);
+ GETSYSCTL("vm.stats.vm.v_tfree", ls->v_tfree);
+ GETSYSCTL("vm.stats.vm.v_page_size", ls->v_page_size);
+ GETSYSCTL("vm.stats.vm.v_free_count", ls->v_free_count);
+ GETSYSCTL("vm.stats.vm.v_wire_count", ls->v_wire_count);
+ GETSYSCTL("vm.stats.vm.v_active_count", ls->v_active_count);
+ GETSYSCTL("vm.stats.vm.v_inactive_count", ls->v_inactive_count);
+ GETSYSCTL("vm.stats.vm.v_cache_count", ls->v_cache_count);
+ GETSYSCTL("vfs.bufspace", ls->bufspace);
+ GETSYSCTL("kern.maxvnodes", ls->desiredvnodes);
+ GETSYSCTL("vfs.numvnodes", ls->numvnodes);
+ GETSYSCTL("vfs.freevnodes", ls->freevnodes);
+ GETSYSCTL("vfs.cache.nchstats", ls->nchstats);
+ GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers);
+ getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long));
+
+ size = sizeof(ls->Total);
+ mib[0] = CTL_VM;
+ mib[1] = VM_TOTAL;
+ if (sysctl(mib, 2, &ls->Total, &size, NULL, 0) < 0) {
+ error("Can't get kernel info: %s\n", strerror(errno));
+ bzero(&ls->Total, sizeof(ls->Total));
+ }
+ size = sizeof(ncpu);
+ if (sysctlbyname("hw.ncpu", &ncpu, &size, NULL, 0) < 0 ||
+ size != sizeof(ncpu))
+ ncpu = 1;
+
+ tmp_dinfo = last.dinfo;
+ last.dinfo = cur.dinfo;
+ cur.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;
+ }
+}
+
+static void
+allocinfo(struct Info *ls)
+{
+
+ ls->intrcnt = (long *) calloc(nintr, sizeof(long));
+ if (ls->intrcnt == NULL)
+ errx(2, "out of memory");
+}
+
+static void
+copyinfo(struct Info *from, struct Info *to)
+{
+ long *intrcnt;
+
+ /*
+ * time, wds, seek, and xfer are malloc'd so we have to
+ * save the pointers before the structure copy and then
+ * copy by hand.
+ */
+ intrcnt = to->intrcnt;
+ *to = *from;
+
+ 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);
+}
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