/* $NetBSD: vmstat.c,v 1.87.2.1 2023/12/11 12:28:06 martin Exp $ */ /*- * 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. 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 #ifndef lint #if 0 static char sccsid[] = "@(#)vmstat.c 8.2 (Berkeley) 1/12/94"; #endif __RCSID("$NetBSD: vmstat.c,v 1.87.2.1 2023/12/11 12:28:06 martin Exp $"); #endif /* not lint */ /* * Cursed vmstat -- from Robert Elz. */ #include #include #include #include #include #include #include #include #include #include #include "systat.h" #include "extern.h" #include "drvstats.h" #include "utmpentry.h" #include "vmstat.h" static struct Info { struct uvmexp_sysctl uvmexp; struct vmtotal Total; struct nchstats nchstats; long nchcount; long *intrcnt; u_int64_t *evcnt; } s, s1, s2, z; enum display_mode display_mode = TIME; static void allocinfo(struct Info *); static void copyinfo(struct Info *, struct Info *); static float cputime(int); static void dinfo(int, int, int); static void getinfo(struct Info *); static int ucount(void); static char buf[26]; static u_int64_t temp; static int nintr; static long *intrloc; static char **intrname; static int nextintsrow; static int disk_horiz = 1; static u_int nbuf; WINDOW * openvmstat(void) { return (stdscr); } void closevmstat(WINDOW *w) { if (w == NULL) return; wclear(w); wrefresh(w); } static struct nlist namelist[] = { #define X_INTRNAMES 0 { .n_name = "_intrnames" }, #define X_EINTRNAMES 1 { .n_name = "_eintrnames" }, #define X_INTRCNT 2 { .n_name = "_intrcnt" }, #define X_EINTRCNT 3 { .n_name = "_eintrcnt" }, #define X_ALLEVENTS 4 { .n_name = "_allevents" }, { .n_name = NULL } }; /* * These constants define where the major pieces are laid out */ #define STATROW 0 /* uses 1 row and 68 cols */ #define STATCOL 2 #define MEMROW 9 /* uses 5 rows and 31 cols */ #define MEMCOL 0 #define PAGEROW 2 /* uses 4 rows and 26 cols */ #define PAGECOL 54 #define INTSROW 9 /* uses all rows to bottom and 17 cols */ #define INTSCOL 40 #define INTSCOLEND (VMSTATCOL - 0) #define PROCSROW 2 /* uses 2 rows and 20 cols */ #define PROCSCOL 0 #define GENSTATROW 2 /* uses 2 rows and 30 cols */ #define GENSTATCOL 17 #define VMSTATROW 7 /* uses 17 rows and 15 cols */ #define VMSTATCOL 64 #define GRAPHROW 5 /* uses 3 rows and 51 cols */ #define GRAPHCOL 0 #define NAMEIROW 15 /* uses 3 rows and 38 cols (must be MEMROW + 5 + 1) */ #define NAMEICOL 0 #define DISKROW 19 /* uses 5 rows and 50 cols (for 9 drives) */ #define DISKCOL 0 #define DISKCOLWIDTH 8 #define DISKCOLEND INTSCOL typedef struct intr_evcnt intr_evcnt_t; struct intr_evcnt { char *ie_group; char *ie_name; u_int64_t *ie_count; /* kernel address... */ int ie_loc; /* screen row */ } *ie_head; int nevcnt; static void get_interrupt_events(void) { struct evcntlist allevents; struct evcnt evcnt, *evptr; intr_evcnt_t *ie; intr_evcnt_t *n; if (!NREAD(X_ALLEVENTS, &allevents, sizeof allevents)) return; evptr = TAILQ_FIRST(&allevents); for (; evptr != NULL; evptr = TAILQ_NEXT(&evcnt, ev_list)) { if (!KREAD(evptr, &evcnt, sizeof evcnt)) return; if (evcnt.ev_type != EVCNT_TYPE_INTR) continue; n = realloc(ie_head, sizeof *ie * (nevcnt + 1)); if (n == NULL) { error("realloc failed"); die(0); } ie_head = n; ie = ie_head + nevcnt; ie->ie_group = malloc(evcnt.ev_grouplen + 1); ie->ie_name = malloc(evcnt.ev_namelen + 1); if (ie->ie_group == NULL || ie->ie_name == NULL) return; if (!KREAD(evcnt.ev_group, ie->ie_group, evcnt.ev_grouplen + 1)) return; if (!KREAD(evcnt.ev_name, ie->ie_name, evcnt.ev_namelen + 1)) return; ie->ie_count = &evptr->ev_count; ie->ie_loc = 0; nevcnt++; } } int initvmstat(void) { static char *intrnamebuf; char *cp; int i; if (intrnamebuf) free(intrnamebuf); if (intrname) free(intrname); if (intrloc) free(intrloc); if (namelist[0].n_type == 0) { if (kvm_nlist(kd, namelist) && namelist[X_ALLEVENTS].n_type == 0) { nlisterr(namelist); return(0); } } hertz = stathz ? stathz : hz; if (!drvinit(1)) return(0); /* Old style interrupt counts - deprecated */ nintr = (namelist[X_EINTRCNT].n_value - namelist[X_INTRCNT].n_value) / sizeof (long); if (nintr) { intrloc = calloc(nintr, sizeof (long)); intrname = calloc(nintr, sizeof (long)); intrnamebuf = malloc(namelist[X_EINTRNAMES].n_value - namelist[X_INTRNAMES].n_value); if (intrnamebuf == NULL || intrname == 0 || intrloc == 0) { error("Out of memory\n"); nintr = 0; return(0); } NREAD(X_INTRNAMES, intrnamebuf, NVAL(X_EINTRNAMES) - NVAL(X_INTRNAMES)); for (cp = intrnamebuf, i = 0; i < nintr; i++) { intrname[i] = cp; cp += strlen(cp) + 1; } } /* event counter interrupt counts */ get_interrupt_events(); nextintsrow = INTSROW + 1; allocinfo(&s); allocinfo(&s1); allocinfo(&s2); allocinfo(&z); getinfo(&s2); copyinfo(&s2, &s1); return(1); } void fetchvmstat(void) { time_t now; time(&now); strlcpy(buf, ctime(&now), sizeof(buf)); buf[19] = '\0'; getinfo(&s); } static void print_ie_title(int i) { int width, name_width, group_width; width = INTSCOLEND - (INTSCOL + 9); if (width <= 0) return; move(ie_head[i].ie_loc, INTSCOL + 9); group_width = strlen(ie_head[i].ie_group); name_width = strlen(ie_head[i].ie_name); width -= group_width + 1 + name_width; if (width < 0) { /* * Screen to narrow for full strings * This is all rather horrid, in some cases there are a lot * of events in the same group, and in others the event * name is "intr". There are also names which need 7 or 8 * columns before they become meaningful. * This is a bad compromise. */ width = -width; group_width -= (width + 1) / 2; name_width -= width / 2; /* some have the 'useful' name "intr", display their group */ if (strcasecmp(ie_head[i].ie_name, "intr") == 0) { group_width += name_width + 1; name_width = 0; } else { if (group_width <= 3 || name_width < 0) { /* don't display group */ name_width += group_width + 1; group_width = 0; } } } if (group_width != 0) { printw("%-.*s", group_width, ie_head[i].ie_group); if (name_width != 0) printw(" "); } if (name_width != 0) printw("%-.*s", name_width, ie_head[i].ie_name); } void labelvmstat_top(void) { clear(); mvprintw(STATROW, STATCOL + 4, "users Load"); mvprintw(GENSTATROW, GENSTATCOL, " Csw Traps SysCal Intr Soft Fault"); mvprintw(GRAPHROW, GRAPHCOL, " . %% Sy . %% Us . %% Ni . %% In . %% Id"); mvprintw(PROCSROW, PROCSCOL, "Proc:r d s"); mvprintw(GRAPHROW + 1, GRAPHCOL, "| | | | | | | | | | |"); mvprintw(PAGEROW, PAGECOL + 8, "PAGING SWAPPING "); mvprintw(PAGEROW + 1, PAGECOL, " in out in out "); mvprintw(PAGEROW + 2, PAGECOL, " ops "); mvprintw(PAGEROW + 3, PAGECOL, "pages "); } void labelvmstat(void) { int i; /* Top few lines first */ labelvmstat_top(); /* Left hand column */ mvprintw(MEMROW + 0, MEMCOL, "Anon %% zero "); mvprintw(MEMROW + 1, MEMCOL, "Exec %% wired "); mvprintw(MEMROW + 2, MEMCOL, "File %% inact "); mvprintw(MEMROW + 3, MEMCOL, "Meta %% bufs "); mvprintw(MEMROW + 4, MEMCOL, " (kB) real swaponly free"); mvprintw(MEMROW + 5, MEMCOL, "Active "); mvprintw(NAMEIROW, NAMEICOL, "Namei Sys-cache Proc-cache"); mvprintw(NAMEIROW + 1, NAMEICOL, " Calls hits %% hits %%"); mvprintw(DISKROW, DISKCOL, "%*s", DISKCOLWIDTH, "Disks:"); if (disk_horiz) { mvprintw(DISKROW + 1, DISKCOL + 1, "seeks"); mvprintw(DISKROW + 2, DISKCOL + 1, "xfers"); mvprintw(DISKROW + 3, DISKCOL + 1, "bytes"); mvprintw(DISKROW + 4, DISKCOL + 1, "%%busy"); } else { mvprintw(DISKROW, DISKCOL + 1 * DISKCOLWIDTH, "%*s", DISKCOLWIDTH, "seeks"); mvprintw(DISKROW, DISKCOL + 2 * DISKCOLWIDTH, "%*s", DISKCOLWIDTH, "xfers"); mvprintw(DISKROW, DISKCOL + 3 * DISKCOLWIDTH, "%*s", DISKCOLWIDTH, "bytes"); mvprintw(DISKROW, DISKCOL + 4 * DISKCOLWIDTH, "%*s", DISKCOLWIDTH, "%busy"); } /* Middle column */ mvprintw(INTSROW, INTSCOL + 9, "Interrupts"); for (i = 0; i < nintr; i++) { if (intrloc[i] == 0) continue; mvprintw(intrloc[i], INTSCOL + 9, "%-.*s", INTSCOLEND - (INTSCOL + 9), intrname[i]); } for (i = 0; i < nevcnt; i++) { if (ie_head[i].ie_loc == 0) continue; print_ie_title(i); } /* Right hand column */ mvprintw(VMSTATROW + 0, VMSTATCOL + 10, "forks"); mvprintw(VMSTATROW + 1, VMSTATCOL + 10, "fkppw"); mvprintw(VMSTATROW + 2, VMSTATCOL + 10, "fksvm"); mvprintw(VMSTATROW + 3, VMSTATCOL + 10, "pwait"); mvprintw(VMSTATROW + 4, VMSTATCOL + 10, "relck"); mvprintw(VMSTATROW + 5, VMSTATCOL + 10, "rlkok"); mvprintw(VMSTATROW + 6, VMSTATCOL + 10, "noram"); mvprintw(VMSTATROW + 7, VMSTATCOL + 10, "ndcpy"); mvprintw(VMSTATROW + 8, VMSTATCOL + 10, "fltcp"); mvprintw(VMSTATROW + 9, VMSTATCOL + 10, "zfod"); mvprintw(VMSTATROW + 10, VMSTATCOL + 10, "cow"); mvprintw(VMSTATROW + 11, VMSTATCOL + 10, "fmin"); mvprintw(VMSTATROW + 12, VMSTATCOL + 10, "ftarg"); mvprintw(VMSTATROW + 13, VMSTATCOL + 10, "itarg"); mvprintw(VMSTATROW + 14, VMSTATCOL + 10, "flnan"); mvprintw(VMSTATROW + 15, VMSTATCOL + 10, "pdfre"); if (LINES - 1 > VMSTATROW + 16) mvprintw(VMSTATROW + 16, VMSTATCOL + 10, "pdscn"); } #define X(s, s1, fld) {temp = (s).fld[i]; (s).fld[i] -= (s1).fld[i]; \ if (display_mode == TIME) (s1).fld[i] = temp;} #define Z(s, s1, fld) {temp = (s).nchstats.fld; \ (s).nchstats.fld -= (s1).nchstats.fld; \ if (display_mode == TIME) (s1).nchstats.fld = temp;} #define PUTRATE(s, s1, fld, l, c, w) \ {temp = (s).fld; (s).fld -= (s1).fld; \ if (display_mode == TIME) (s1).fld = temp; \ putint((int)((float)(s).fld/etime + 0.5), l, c, w);} static char cpuchar[CPUSTATES] = { '=' , '>', '-', '%', ' ' }; static char cpuorder[CPUSTATES] = { CP_SYS, CP_USER, CP_NICE, CP_INTR, CP_IDLE }; void show_vmstat_top(vmtotal_t *Total, uvmexp_sysctl_t *uvm, uvmexp_sysctl_t *uvm1) { float f1, f2; int psiz; int i, l, c; struct { struct uvmexp_sysctl *uvmexp; } us, us1; us.uvmexp = uvm; us1.uvmexp = uvm1; putint(ucount(), STATROW, STATCOL, 3); putfloat(avenrun[0], STATROW, STATCOL + 17, 6, 2, 0); putfloat(avenrun[1], STATROW, STATCOL + 23, 6, 2, 0); putfloat(avenrun[2], STATROW, STATCOL + 29, 6, 2, 0); mvaddstr(STATROW, STATCOL + 53, buf); putint(Total->t_rq - 1, PROCSROW + 1, PROCSCOL + 3, 3); putint(Total->t_dw, PROCSROW + 1, PROCSCOL + 6, 3); putint(Total->t_sl, PROCSROW + 1, PROCSCOL + 9, 3); PUTRATE(us, us1, uvmexp->swtch, GENSTATROW + 1, GENSTATCOL - 1, 7); PUTRATE(us, us1, uvmexp->traps, GENSTATROW + 1, GENSTATCOL + 7, 6); PUTRATE(us, us1, uvmexp->syscalls, GENSTATROW + 1, GENSTATCOL + 14, 6); PUTRATE(us, us1, uvmexp->intrs, GENSTATROW + 1, GENSTATCOL + 21, 5); PUTRATE(us, us1, uvmexp->softs, GENSTATROW + 1, GENSTATCOL + 27, 6); PUTRATE(us, us1, uvmexp->faults, GENSTATROW + 1, GENSTATCOL + 34, 6); /* * XXX it sure would be nice if this did what top(1) does and showed * the utilization of each CPU on a separate line, though perhaps IFF * the screen is tall enough */ /* Last CPU state not calculated yet. */ for (f2 = 0.0, psiz = 0, c = 0; c < CPUSTATES; c++) { i = cpuorder[c]; f1 = cputime(i); f2 += f1; l = (int) ((f2 + 1.0) / 2.0) - psiz; if (c == 0) putfloat(f1, GRAPHROW, GRAPHCOL + 1, 5, 1, 0); else putfloat(f1, GRAPHROW, GRAPHCOL + 10 * c + 1, 5, 1, 0); mvhline(GRAPHROW + 2, psiz, cpuchar[c], l); psiz += l; } PUTRATE(us, us1, uvmexp->pageins, PAGEROW + 2, PAGECOL + 5, 5); PUTRATE(us, us1, uvmexp->pdpageouts, PAGEROW + 2, PAGECOL + 10, 5); PUTRATE(us, us1, uvmexp->pgswapin, PAGEROW + 3, PAGECOL + 5, 5); PUTRATE(us, us1, uvmexp->pgswapout, PAGEROW + 3, PAGECOL + 10, 5); } void showvmstat(void) { int inttotal; int i, l, r, c; static int failcnt = 0; static int relabel = 0; static int last_disks = 0; static u_long bufmem; struct buf_sysctl *buffers; int mib[6]; size_t size; int extraslop = 0; if (relabel) { labelvmstat(); relabel = 0; } cpuswap(); if (display_mode == TIME) { drvswap(); if (toofast(&failcnt)) return; } else etime = 1.0; show_vmstat_top(&s.Total, &s.uvmexp, &s1.uvmexp); /* Memory totals */ #define pgtokb(pg) ((pg) * (s.uvmexp.pagesize / 1024)) putint(pgtokb(s.uvmexp.anonpages), MEMROW + 0, MEMCOL + 7, 10); putint((s.uvmexp.anonpages * 100 + 0.5) / s.uvmexp.npages, MEMROW + 0, MEMCOL + 17, 4); putint(pgtokb(s.uvmexp.zeropages), MEMROW + 0, MEMCOL + 30, 8); putint(pgtokb(s.uvmexp.execpages), MEMROW + 1, MEMCOL + 7, 10); putint((s.uvmexp.execpages * 100 + 0.5) / s.uvmexp.npages, MEMROW + 1, MEMCOL + 17, 4); putint(pgtokb(s.uvmexp.wired), MEMROW + 1, MEMCOL + 30, 8); putint(pgtokb(s.uvmexp.filepages), MEMROW + 2, MEMCOL + 7, 10); putint((s.uvmexp.filepages * 100 + 0.5) / s.uvmexp.npages, MEMROW + 2, MEMCOL + 17, 4); putint(pgtokb(s.uvmexp.inactive), MEMROW + 2, MEMCOL + 30, 8); /* Get total size of metadata buffers */ size = sizeof(bufmem); if (sysctlbyname("vm.bufmem", &bufmem, &size, NULL, 0) < 0) { error("can't get buffers size: %s\n", strerror(errno)); return; } /* Get number of metadata buffers */ size = 0; buffers = NULL; mib[0] = CTL_KERN; mib[1] = KERN_BUF; mib[2] = KERN_BUF_ALL; mib[3] = KERN_BUF_ALL; mib[4] = (int)sizeof(struct buf_sysctl); mib[5] = INT_MAX; /* we want them all */ again: if (sysctl(mib, 6, NULL, &size, NULL, 0) < 0) { error("can't get buffers size: %s\n", strerror(errno)); return; } if (size == 0) { error("buffers size is zero: %s\n", strerror(errno)); return; } size += extraslop * sizeof(struct buf_sysctl); buffers = malloc(size); if (buffers == NULL) { error("can't allocate buffers: %s\n", strerror(errno)); return; } if (sysctl(mib, 6, buffers, &size, NULL, 0) < 0) { free(buffers); if (extraslop == 0) { extraslop = 100; goto again; } error("can't get buffers: %s\n", strerror(errno)); return; } free(buffers); /* XXX there must be a better way! */ nbuf = size / sizeof(struct buf_sysctl); putint((int) (bufmem / 1024), MEMROW + 3, MEMCOL + 5, 12); putint((int) ((bufmem * 100) + 0.5) / s.uvmexp.pagesize / s.uvmexp.npages, MEMROW + 3, MEMCOL + 17, 4); putint(nbuf, MEMROW + 3, MEMCOL + 30, 8); putint(pgtokb(s.uvmexp.active), MEMROW + 5, MEMCOL + 7, 10); putint(pgtokb(s.uvmexp.swpgonly), MEMROW + 5, MEMCOL + 18, 10); putint(pgtokb(s.uvmexp.free), MEMROW + 5, MEMCOL + 28, 10); #undef pgtokb /* Namei cache */ Z(s, s1, ncs_goodhits); Z(s, s1, ncs_badhits); Z(s, s1, ncs_miss); Z(s, s1, ncs_long); Z(s, s1, ncs_pass2); Z(s, s1, ncs_2passes); s.nchcount = s.nchstats.ncs_goodhits + s.nchstats.ncs_badhits + s.nchstats.ncs_miss + s.nchstats.ncs_long + s.nchstats.ncs_pass2 + s.nchstats.ncs_2passes; if (display_mode == TIME) s1.nchcount = s.nchcount; putint(s.nchcount, NAMEIROW + 2, NAMEICOL, 9); putint(s.nchstats.ncs_goodhits, NAMEIROW + 2, NAMEICOL + 9, 9); #define nz(x) ((x) ? (x) : 1) putfloat(s.nchstats.ncs_goodhits * 100.0 / nz(s.nchcount), NAMEIROW + 2, NAMEICOL + 19, 4, 0, 1); putint(s.nchstats.ncs_pass2, NAMEIROW + 2, NAMEICOL + 23, 9); putfloat(s.nchstats.ncs_pass2 * 100.0 / nz(s.nchcount), NAMEIROW + 2, NAMEICOL + 34, 4, 0, 1); #undef nz /* Disks */ for (l = 0, i = 0, r = DISKROW, c = DISKCOL; i < (int)ndrive; i++) { if (!drv_select[i]) continue; if (disk_horiz) c += DISKCOLWIDTH; else r++; if (c + DISKCOLWIDTH > DISKCOLEND) { if (disk_horiz && LINES - 1 - DISKROW > (DISKCOLEND - DISKCOL) / DISKCOLWIDTH) { disk_horiz = 0; relabel = 1; } break; } if (r >= LINES - 1) { if (!disk_horiz && LINES - 1 - DISKROW < (DISKCOLEND - DISKCOL) / DISKCOLWIDTH) { disk_horiz = 1; relabel = 1; } break; } l++; dinfo(i, r, c); } /* blank out if we lost any disks */ for (i = l; i < last_disks; i++) { int j; if (disk_horiz) c += DISKCOLWIDTH; else r++; for (j = 0; j < 5; j++) { if (disk_horiz) mvprintw(r+j, c, "%*s", DISKCOLWIDTH, ""); else mvprintw(r, c+j*DISKCOLWIDTH, "%*s", DISKCOLWIDTH, ""); } } last_disks = l; /* Interrupts */ failcnt = 0; 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 + 9, "%-.*s", INTSCOLEND - (INTSCOL + 9), intrname[i]); } X(s, s1, intrcnt); l = (int)((float)s.intrcnt[i]/etime + 0.5); inttotal += l; putint(l, intrloc[i], INTSCOL, 8); } for (i = 0; i < nevcnt; i++) { if (s.evcnt[i] == 0) continue; if (ie_head[i].ie_loc == 0) { if (nextintsrow == LINES) continue; ie_head[i].ie_loc = nextintsrow++; print_ie_title(i); } X(s, s1, evcnt); l = (int)((float)s.evcnt[i]/etime + 0.5); inttotal += l; putint(l, ie_head[i].ie_loc, INTSCOL, 8); } putint(inttotal, INTSROW, INTSCOL, 8); PUTRATE(s, s1, uvmexp.forks, VMSTATROW + 0, VMSTATCOL + 3, 6); PUTRATE(s, s1, uvmexp.forks_ppwait, VMSTATROW + 1, VMSTATCOL + 3, 6); PUTRATE(s, s1, uvmexp.forks_sharevm, VMSTATROW + 2, VMSTATCOL + 3, 6); PUTRATE(s, s1, uvmexp.fltpgwait, VMSTATROW + 3, VMSTATCOL + 4, 5); PUTRATE(s, s1, uvmexp.fltrelck, VMSTATROW + 4, VMSTATCOL + 3, 6); PUTRATE(s, s1, uvmexp.fltrelckok, VMSTATROW + 5, VMSTATCOL + 3, 6); PUTRATE(s, s1, uvmexp.fltnoram, VMSTATROW + 6, VMSTATCOL + 3, 6); PUTRATE(s, s1, uvmexp.fltamcopy, VMSTATROW + 7, VMSTATCOL + 3, 6); PUTRATE(s, s1, uvmexp.flt_prcopy, VMSTATROW + 8, VMSTATCOL + 3, 6); PUTRATE(s, s1, uvmexp.flt_przero, VMSTATROW + 9, VMSTATCOL + 3, 6); PUTRATE(s, s1, uvmexp.flt_acow, VMSTATROW + 10, VMSTATCOL, 9); putint(s.uvmexp.freemin, VMSTATROW + 11, VMSTATCOL, 9); putint(s.uvmexp.freetarg, VMSTATROW + 12, VMSTATCOL, 9); putint(s.uvmexp.inactarg, VMSTATROW + 13, VMSTATCOL, 9); putint(s.uvmexp.fltnoanon, VMSTATROW + 14, VMSTATCOL, 9); PUTRATE(s, s1, uvmexp.pdfreed, VMSTATROW + 15, VMSTATCOL, 9); if (LINES - 1 > VMSTATROW + 16) PUTRATE(s, s1, uvmexp.pdscans, VMSTATROW + 16, VMSTATCOL, 9); } void vmstat_boot(char *args) { copyinfo(&z, &s1); display_mode = BOOT; } void vmstat_run(char *args) { copyinfo(&s1, &s2); display_mode = RUN; } void vmstat_time(char *args) { display_mode = TIME; } void vmstat_zero(char *args) { if (display_mode == RUN) getinfo(&s1); } /* calculate number of users on the system */ static int ucount(void) { int nusers = 0; struct utmpentry *ehead; nusers = getutentries(NULL, &ehead); if (nusers == 1) mvprintw(STATROW, STATCOL + 8, " "); else mvprintw(STATROW, STATCOL + 8, "s"); return (nusers); } static float cputime(int indx) { double t; int i; t = 0; for (i = 0; i < CPUSTATES; i++) t += cur.cp_time[i]; if (t == 0.0) t = 1.0; return (cur.cp_time[indx] * 100.0 / t); } void puthumanint_scale(u_int64_t n, int l, int c, int w, int scale) { char b[128]; if (move(l, c) != OK) return; if (n == 0) { hline(' ', w); return; } if (humanize_number(b, w, n, "", scale, HN_NOSPACE) == -1 ) { hline('*', w); return; } printw("%*s", w, b); } void puthumanint_sticky(u_int64_t n, int l, int c, int w, int *scale) { char b[128]; int sc; sc = humanize_number(b, w, n, "", HN_GETSCALE, HN_NOSPACE); if (sc > *scale) *scale = sc; else sc = *scale; puthumanint_scale(n, l, c, w, sc); } void puthumanint(u_int64_t n, int l, int c, int w) { puthumanint_scale(n, l, c, w, HN_AUTOSCALE); } void putint(int n, int l, int c, int w) { char b[128]; if (move(l, c) != OK) return; if (n == 0) { hline(' ', w); return; } (void)snprintf(b, sizeof b, "%*d", w, n); if ((int)strlen(b) > w) { if (display_mode == TIME) hline('*', w); else puthumanint(n, l, c, w); return; } addstr(b); } void putfloat(double f, int l, int c, int w, int d, int nz) { char b[128]; if (move(l, c) != OK) return; if (nz && f == 0.0) { hline(' ', w); return; } (void)snprintf(b, sizeof b, "%*.*f", w, d, f); if ((int)strlen(b) > w) { hline('*', w); return; } addstr(b); } static void getinfo(struct Info *stats) { int mib[2]; size_t size; int i; cpureadstats(); drvreadstats(); size = sizeof(stats->nchstats); if (sysctlbyname("vfs.namecache_stats", &stats->nchstats, &size, NULL, 0) < 0) { error("can't get namecache statistics: %s\n", strerror(errno)); memset(&stats->nchstats, 0, sizeof(stats->nchstats)); } if (nintr) NREAD(X_INTRCNT, stats->intrcnt, nintr * sizeof(long)); for (i = 0; i < nevcnt; i++) KREAD(ie_head[i].ie_count, &stats->evcnt[i], sizeof stats->evcnt[i]); size = sizeof(stats->uvmexp); mib[0] = CTL_VM; mib[1] = VM_UVMEXP2; if (sysctl(mib, 2, &stats->uvmexp, &size, NULL, 0) < 0) { error("can't get uvmexp: %s\n", strerror(errno)); memset(&stats->uvmexp, 0, sizeof(stats->uvmexp)); } size = sizeof(stats->Total); mib[0] = CTL_VM; mib[1] = VM_METER; if (sysctl(mib, 2, &stats->Total, &size, NULL, 0) < 0) { error("Can't get kernel info: %s\n", strerror(errno)); memset(&stats->Total, 0, sizeof(stats->Total)); } } static void allocinfo(struct Info *stats) { if (nintr && (stats->intrcnt = calloc(nintr, sizeof(long))) == NULL) { error("calloc failed"); die(0); } if ((stats->evcnt = calloc(nevcnt, sizeof(u_int64_t))) == NULL) { error("calloc failed"); die(0); } } static void copyinfo(struct Info *from, struct Info *to) { long *intrcnt; u_int64_t *evcnt; intrcnt = to->intrcnt; evcnt = to->evcnt; *to = *from; memmove(to->intrcnt = intrcnt, from->intrcnt, nintr * sizeof *intrcnt); memmove(to->evcnt = evcnt, from->evcnt, nevcnt * sizeof *evcnt); } static void dinfo(int dn, int r, int c) { double atime, dtime; #define ADV if (disk_horiz) r++; else c += DISKCOLWIDTH /* elapsed time for disk stats */ dtime = etime; if (cur.timestamp[dn].tv_sec || cur.timestamp[dn].tv_usec) { dtime = (double)cur.timestamp[dn].tv_sec + ((double)cur.timestamp[dn].tv_usec / (double)1000000); } mvprintw(r, c, "%*.*s", DISKCOLWIDTH, DISKCOLWIDTH, dr_name[dn]); ADV; putint((int)(cur.seek[dn]/dtime+0.5), r, c, DISKCOLWIDTH); ADV; putint((int)((cur.rxfer[dn]+cur.wxfer[dn])/dtime+0.5), r, c, DISKCOLWIDTH); ADV; puthumanint_sticky((cur.rbytes[dn] + cur.wbytes[dn]) / dtime + 0.5, r, c, DISKCOLWIDTH, &cur.scale[dn]); ADV; /* time busy in disk activity */ atime = cur.time[dn].tv_sec + cur.time[dn].tv_usec / 1000000.0; atime = atime * 100.0 / dtime; if (atime >= 100) putint(100, r, c, DISKCOLWIDTH); else putfloat(atime, r, c, DISKCOLWIDTH, 1, 1); }