/*- * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 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 __FBSDID("$FreeBSD$"); #ifdef lint static const char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; #endif /* * Cursed vmstat -- from Robert Elz. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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; int 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 int ut; static char buf[26]; static time_t t; static double etime; static int nintr; static long *intrloc; static char **intrname; static int nextintsrow; struct utmp utmp; WINDOW * openkre() { ut = open(_PATH_UTMP, O_RDONLY); if (ut < 0) error("No utmp"); return (stdscr); } void closekre(w) WINDOW *w; { (void) close(ut); 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() { 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) == ' ') { *cp1 = '\0'; cp1 = cp1 + 2; cp2 = strdup(cp); bcopy(cp1, cp, strlen(cp1) + 1); strcat(cp, " "); strcat(cp, cp2); 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() { 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() { 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, "totfr"); mvprintw(VMSTATROW + 5, VMSTATCOL + 9, "wire"); mvprintw(VMSTATROW + 6, VMSTATCOL + 9, "act"); mvprintw(VMSTATROW + 7, VMSTATCOL + 9, "inact"); mvprintw(VMSTATROW + 8, VMSTATCOL + 9, "cache"); mvprintw(VMSTATROW + 9, VMSTATCOL + 9, "free"); mvprintw(VMSTATROW + 10, VMSTATCOL + 9, "daefr"); mvprintw(VMSTATROW + 11, VMSTATCOL + 9, "prcfr"); mvprintw(VMSTATROW + 12, VMSTATCOL + 9, "react"); mvprintw(VMSTATROW + 13, VMSTATCOL + 9, "pdwak"); mvprintw(VMSTATROW + 14, VMSTATCOL + 9, "pdpgs"); mvprintw(VMSTATROW + 15, VMSTATCOL + 9, "intrn"); 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() { 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; if (intrloc[i] == 0) { if (nextintsrow == LINES) continue; intrloc[i] = nextintsrow++; mvprintw(intrloc[i], INTSCOL + 6, "%-10.10s", intrname[i]); } X(intrcnt); l = (int)((float)s.intrcnt[i]/etime + 0.5); inttotal += l; 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_tfree, VMSTATROW + 4, VMSTATCOL + 2, 8 - 2); putint(pgtokb(s.v_wire_count), VMSTATROW + 5, VMSTATCOL + 2, 8 - 2); putint(pgtokb(s.v_active_count), VMSTATROW + 6, VMSTATCOL, 8); putint(pgtokb(s.v_inactive_count), VMSTATROW + 7, VMSTATCOL, 8); putint(pgtokb(s.v_cache_count), VMSTATROW + 8, VMSTATCOL, 8); putint(pgtokb(s.v_free_count), VMSTATROW + 9, VMSTATCOL, 8); PUTRATE(v_dfree, VMSTATROW + 10, VMSTATCOL, 8); PUTRATE(v_pfree, VMSTATROW + 11, VMSTATCOL, 8); PUTRATE(v_reactivated, VMSTATROW + 12, VMSTATCOL, 8); PUTRATE(v_pdwakeups, VMSTATROW + 13, VMSTATCOL, 8); PUTRATE(v_pdpages, VMSTATROW + 14, VMSTATCOL, 8); PUTRATE(v_intrans, 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(cmd, args) const char *cmd, *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() { int nusers = 0; if (ut < 0) return (0); while (read(ut, &utmp, sizeof(utmp))) if (utmp.ut_name[0] != '\0') nusers++; lseek(ut, 0L, L_SET); return (nusers); } static float cputime(indx) 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(n, l, lc, w) int n, l, lc, 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(f, l, lc, w, d, nz) double f; int l, lc, w, d, 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(f, l, lc, w, d, nz) long double f; int l, lc, w, d, 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(ls) 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(ls) struct Info *ls; { ls->intrcnt = (long *) calloc(nintr, sizeof(long)); if (ls->intrcnt == NULL) errx(2, "out of memory"); } static void copyinfo(from, to) struct Info *from, *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(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; 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); }