diff options
Diffstat (limited to 'usr.bin/systat/vmstat.c')
| -rw-r--r-- | usr.bin/systat/vmstat.c | 817 |
1 files changed, 817 insertions, 0 deletions
diff --git a/usr.bin/systat/vmstat.c b/usr.bin/systat/vmstat.c new file mode 100644 index 000000000000..16a8a996d4fb --- /dev/null +++ b/usr.bin/systat/vmstat.c @@ -0,0 +1,817 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * 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. + */ + + + +/* + * 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 <libutil.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 "systat.h" +#include "extern.h" +#include "devs.h" + +static struct Info { + long time[CPUSTATES]; + uint64_t v_swtch; /* context switches */ + uint64_t v_trap; /* calls to trap */ + uint64_t v_syscall; /* calls to syscall() */ + uint64_t v_intr; /* device interrupts */ + uint64_t v_soft; /* software interrupts */ + /* + * Virtual memory activity. + */ + uint64_t v_vm_faults; /* number of address memory faults */ + uint64_t v_io_faults; /* page faults requiring I/O */ + uint64_t v_cow_faults; /* number of copy-on-writes */ + uint64_t v_zfod; /* pages zero filled on demand */ + uint64_t v_ozfod; /* optimized zero fill pages */ + uint64_t v_swapin; /* swap pager pageins */ + uint64_t v_swapout; /* swap pager pageouts */ + uint64_t v_swappgsin; /* swap pager pages paged in */ + uint64_t v_swappgsout; /* swap pager pages paged out */ + uint64_t v_vnodein; /* vnode pager pageins */ + uint64_t v_vnodeout; /* vnode pager pageouts */ + uint64_t v_vnodepgsin; /* vnode_pager pages paged in */ + uint64_t v_vnodepgsout; /* vnode pager pages paged out */ + uint64_t v_intrans; /* intransit blocking page faults */ + uint64_t v_reactivated; /* number of pages reactivated by pagedaemon */ + uint64_t v_pdwakeups; /* number of times daemon has awaken from sleep */ + uint64_t v_pdpages; /* number of pages analyzed by daemon */ + + uint64_t v_dfree; /* pages freed by daemon */ + uint64_t v_pfree; /* pages freed by exiting processes */ + uint64_t v_tfree; /* total pages freed */ + /* + * Distribution of page usages. + */ + 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_laundry_count; /* number of pages in laundry queue */ + u_long v_kmem_map_size; /* Current kmem allocation size */ + struct vmtotal Total; + struct nchstats nchstats; + long nchcount; + long *intrcnt; + long bufspace; + u_long maxvnodes; + long numvnodes; + long freevnodes; + int numdirtybuffers; +} s, s1, s2, z; +static u_long kmem_size; +static u_int v_page_count; + + +#define total s.Total +#define nchtotal s.nchstats +#define oldnchtotal s1.nchstats + +static enum state { BOOT, TIME, RUN } state = TIME; +enum divisor { IEC = 0, SI = HN_DIVISOR_1000 }; + +static void allocinfo(struct Info *); +static void copyinfo(struct Info *, struct Info *); +static float cputime(int); +static void do_putuint64(uint64_t, int, int, int, int); +static void getinfo(struct Info *); +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 1 /* uses 4 rows and 30 cols */ +#define PAGECOL 47 +#define INTSROW 5 /* uses all rows to bottom and 16 cols */ +#define INTSCOL 64 +#define PROCSROW 6 /* uses 3 rows and 20 cols */ +#define PROCSCOL 0 +#define GENSTATROW 7 /* uses 2 rows and 29 cols */ +#define GENSTATCOL 22 +#define VMSTATROW 5 /* uses 17 rows and 12-14 cols */ +#define VMSTATCOL 52 +#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 (dsinit(MAXDRIVES) != 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); + } + GETSYSCTL("vm.kmem_size", kmem_size); + GETSYSCTL("vm.stats.vm.v_page_count", v_page_count); + 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 %T" : "%b %e %T", tp); + getinfo(&s); +} + +void +labelkre(void) +{ + int i; + + clear(); + mvprintw(STATROW, STATCOL + 6, "users Load"); + mvprintw(STATROW + 1, STATCOL + 3, "Mem usage: %%Phy %%Kmem"); + mvprintw(MEMROW, MEMCOL, "Mem: REAL VIRTUAL"); + mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share"); + mvprintw(MEMROW + 2, MEMCOL, "Act"); + mvprintw(MEMROW + 3, MEMCOL, "All"); + + mvprintw(MEMROW + 1, MEMCOL + 40, "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 + 6, "ioflt"); + mvprintw(VMSTATROW + 1, VMSTATCOL + 6, "cow"); + mvprintw(VMSTATROW + 2, VMSTATCOL + 6, "zfod"); + mvprintw(VMSTATROW + 3, VMSTATCOL + 6, "ozfod"); + mvprintw(VMSTATROW + 4, VMSTATCOL + 6 - 1, "%%ozfod"); + mvprintw(VMSTATROW + 5, VMSTATCOL + 6, "daefr"); + mvprintw(VMSTATROW + 6, VMSTATCOL + 6, "prcfr"); + mvprintw(VMSTATROW + 7, VMSTATCOL + 6, "totfr"); + mvprintw(VMSTATROW + 8, VMSTATCOL + 6, "react"); + mvprintw(VMSTATROW + 9, VMSTATCOL + 6, "pdwak"); + mvprintw(VMSTATROW + 10, VMSTATCOL + 6, "pdpgs"); + mvprintw(VMSTATROW + 11, VMSTATCOL + 6, "intrn"); + mvprintw(VMSTATROW + 12, VMSTATCOL + 6, "wire"); + mvprintw(VMSTATROW + 13, VMSTATCOL + 6, "act"); + mvprintw(VMSTATROW + 14, VMSTATCOL + 6, "inact"); + mvprintw(VMSTATROW + 15, VMSTATCOL + 6, "laund"); + mvprintw(VMSTATROW + 16, VMSTATCOL + 6, "free"); + if (LINES - 1 > VMSTATROW + 17) + mvprintw(VMSTATROW + 17, VMSTATCOL + 6, "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, "maxvn"); + 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 %%"); + dslabel(MAXDRIVES, DISKCOL, DISKROW); + + 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_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;} +#define PUTRATE(fld, l, c, w) \ +do { \ + Y(fld); \ + sysputwuint64(wnd, l, c, w, (s.fld/etime + 0.5), 0); \ +} 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); + putfloat(100.0 * (v_page_count - total.t_free) / v_page_count, + STATROW + 1, STATCOL + 15, 2, 0, 1); + putfloat(100.0 * s.v_kmem_map_size / kmem_size, + STATROW + 1, STATCOL + 22, 2, 0, 1); + + sysputpage(wnd, MEMROW + 2, MEMCOL + 4, 6, total.t_arm, 0); + sysputpage(wnd, MEMROW + 2, MEMCOL + 12, 6, total.t_armshr, 0); + sysputpage(wnd, MEMROW + 2, MEMCOL + 20, 6, total.t_avm, 0); + sysputpage(wnd, MEMROW + 2, MEMCOL + 29, 6, total.t_avmshr, 0); + sysputpage(wnd, MEMROW + 3, MEMCOL + 4, 6, total.t_rm, 0); + sysputpage(wnd, MEMROW + 3, MEMCOL + 12, 6, total.t_rmshr, 0); + sysputpage(wnd, MEMROW + 3, MEMCOL + 20, 6, total.t_vm, 0); + sysputpage(wnd, MEMROW + 3, MEMCOL + 29, 6, total.t_vmshr, 0); + sysputpage(wnd, MEMROW + 2, MEMCOL + 38, 6, total.t_free, 0); + 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, 4); + putint(total.t_sw, PROCSROW + 2, PROCSCOL + 17, 3); + PUTRATE(v_io_faults, VMSTATROW, VMSTATCOL, 5); + PUTRATE(v_cow_faults, VMSTATROW + 1, VMSTATCOL, 5); + PUTRATE(v_zfod, VMSTATROW + 2, VMSTATCOL, 5); + PUTRATE(v_ozfod, VMSTATROW + 3, VMSTATCOL, 5); + putint(s.v_zfod != 0 ? (int)(s.v_ozfod * 100.0 / s.v_zfod) : 0, + VMSTATROW + 4, VMSTATCOL, 5); + PUTRATE(v_dfree, VMSTATROW + 5, VMSTATCOL, 5); + PUTRATE(v_pfree, VMSTATROW + 6, VMSTATCOL, 5); + PUTRATE(v_tfree, VMSTATROW + 7, VMSTATCOL, 5); + PUTRATE(v_reactivated, VMSTATROW + 8, VMSTATCOL, 5); + PUTRATE(v_pdwakeups, VMSTATROW + 9, VMSTATCOL, 5); + PUTRATE(v_pdpages, VMSTATROW + 10, VMSTATCOL, 5); + PUTRATE(v_intrans, VMSTATROW + 11, VMSTATCOL, 5); + sysputpage(wnd, VMSTATROW + 12, VMSTATCOL, 5, s.v_wire_count, 0); + sysputpage(wnd, VMSTATROW + 13, VMSTATCOL, 5, s.v_active_count, 0); + sysputpage(wnd, VMSTATROW + 14, VMSTATCOL, 5, s.v_inactive_count, 0); + sysputpage(wnd, VMSTATROW + 15, VMSTATCOL, 5, s.v_laundry_count, 0); + sysputpage(wnd, VMSTATROW + 16, VMSTATCOL, 5, s.v_free_count, 0); + if (LINES - 1 > VMSTATROW + 17) + sysputuint64(wnd, VMSTATROW + 17, VMSTATCOL, 5, s.bufspace, 0); + 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); + 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.maxvnodes, 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_dev)) { + case -1: + errx(1, "%s", devstat_errbuf); + break; + case 1: + num_devices = run_dev.dinfo->numdevs; + generation = run_dev.dinfo->generation; + retval = dscmd("refresh", NULL, MAXDRIVES, &cur_dev); + 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_dev)) { + case -1: + errx(1, "%s", devstat_errbuf); + break; + case 1: + num_devices = run_dev.dinfo->numdevs; + generation = run_dev.dinfo->generation; + retval = dscmd("refresh",NULL, MAXDRIVES, &cur_dev); + if (retval == 2) + labelkre(); + break; + default: + break; + } + } + return (retval); + } + retval = dscmd(cmd, args, MAXDRIVES, &cur_dev); + + 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); +} + +void +putint(int n, int l, int lc, int w) +{ + + do_putuint64(n, l, lc, w, SI); +} + +static void +do_putuint64(uint64_t n, int l, int lc, int w, int div) +{ + int snr; + char b[128]; + char lbuf[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), "%*ju", w, (uintmax_t)n); + if (snr != w) { + humanize_number(lbuf, w, n, "", HN_AUTOSCALE, + HN_NOSPACE | HN_DECIMAL | div); + snr = snprintf(b, sizeof(b), "%*s", w, lbuf); + } + if (snr != w) { + while (w-- > 0) + addch('*'); + return; + } + addstr(b); +} + +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) + snr = snprintf(b, sizeof(b), "%*.0fk", w - 1, f / 1000); + if (snr != w) + snr = snprintf(b, sizeof(b), "%*.0fM", w - 1, f / 1000000); + if (snr != w) { + while (--w >= 0) + addch('*'); + return; + } + addstr(b); +} + +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) + snr = snprintf(b, sizeof(b), "%*.0Lfk", w - 1, f / 1000); + if (snr != w) + snr = snprintf(b, sizeof(b), "%*.0LfM", w - 1, f / 1000000); + 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_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); + 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_io_faults", ls->v_io_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_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_laundry_count", ls->v_laundry_count); + GETSYSCTL("vfs.bufspace", ls->bufspace); + GETSYSCTL("kern.maxvnodes", ls->maxvnodes); + GETSYSCTL("vfs.numvnodes", ls->numvnodes); + GETSYSCTL("vfs.freevnodes", ls->freevnodes); + GETSYSCTL("vfs.cache.nchstats", ls->nchstats); + GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers); + GETSYSCTL("vm.kmem_map_size", ls->v_kmem_map_size); + 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_dev.dinfo; + last_dev.dinfo = cur_dev.dinfo; + cur_dev.dinfo = tmp_dinfo; + + last_dev.snap_time = cur_dev.snap_time; + dsgetinfo(&cur_dev); +} + +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)); +} |