src/usr.bin/vmstat/vmstat.c - diff

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Diff for /src/usr.bin/vmstat/vmstat.c between version 1.56 and 1.57

version 1.56, 2001/06/24 20:30:52

version 1.57, 2001/06/27 06:16:50

Line 79

#include <limits.h>

#include "dkstats.h"

#ifdef UVM

#include <uvm/uvm_object.h>

#include <uvm/uvm_extern.h>

#endif

struct nlist namelist[] = {

#if defined(UVM)

#define X_UVMEXP 0

{ "_uvmexp" },

#else

#define X_SUM 0

{ "_cnt" },

#endif

#define X_BOOTTIME 1

{ "_boottime" },

#define X_NCHSTATS 2

Line 131

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extern char **dr_name;

extern int *dk_select, dk_ndrive;

#ifdef UVM

struct uvmexp uvmexp, ouvmexp;

#else

struct vmmeter sum, osum;

#endif

int ndrives;

int winlines = 20;

Line 404

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printhdr();

/* Read new disk statistics */

dkreadstats();

#ifdef UVM

if (nlistf == NULL && memf == NULL) {

size = sizeof(struct uvmexp);

mib[0] = CTL_VM;

Line 416

Line 404

} else {

kread(X_UVMEXP, &uvmexp, sizeof(struct uvmexp));

}

#else

kread(X_SUM, &sum, sizeof(sum));

#endif

size = sizeof(total);

mib[0] = CTL_VM;

mib[1] = VM_METER;

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(void)printf("%2u%2u%2u",

total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);

#define rate(x) (((x) + halfuptime) / uptime) /* round */

#ifdef UVM

#define pgtok(a) ((a) * ((int)uvmexp.pagesize >> 10))

#else

#define pgtok(a) ((a) * ((int)sum.v_page_size >> 10))

#endif

(void)printf("%7u%7u ",

pgtok(total.t_avm), pgtok(total.t_free));

#ifdef UVM

(void)printf("%4u ", rate(uvmexp.faults - ouvmexp.faults));

(void)printf("%3u ", rate(uvmexp.pdreact - ouvmexp.pdreact));

(void)printf("%3u ", rate(uvmexp.pageins - ouvmexp.pageins));

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rate(uvmexp.intrs - ouvmexp.intrs),

rate(uvmexp.syscalls - ouvmexp.syscalls),

rate(uvmexp.swtch - ouvmexp.swtch));

#else

(void)printf("%4u ", rate(sum.v_faults - osum.v_faults));

(void)printf("%3u ",

rate(sum.v_reactivated - osum.v_reactivated));

(void)printf("%3u ", rate(sum.v_pageins - osum.v_pageins));

(void)printf("%3u %3u ",

rate(sum.v_pageouts - osum.v_pageouts), 0);

(void)printf("%3u ", rate(sum.v_scan - osum.v_scan));

dkstats();

(void)printf("%4u %4u %3u ",

rate(sum.v_intr - osum.v_intr),

rate(sum.v_syscall - osum.v_syscall),

rate(sum.v_swtch - osum.v_swtch));

#endif

cpustats();

(void)printf("\n");

(void)fflush(stdout);

if (reps >= 0 && --reps <= 0)

break;

#ifdef UVM

ouvmexp = uvmexp;

#else

osum = sum;

#endif

uptime = interval;

* We round upward to avoid losing low-frequency events

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pgintime = 0;

rectime = 0;

#ifdef UVM

if (nlistf == NULL && memf == NULL) {

size = sizeof(struct uvmexp);

mib[0] = CTL_VM;

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Line 508

uvmexp.pageins, pgintime / 10);

(void)printf("average: %8.1f msec / page in\n",

pgintime / (uvmexp.pageins * 10.0));

#else

kread(X_SUM, &sum, sizeof(sum));

(void)printf("%u reactivates, %u total time (usec)\n",

sum.v_reactivated, rectime);

(void)printf("average: %u usec / reclaim\n", rectime / sum.v_reactivated);

(void)printf("\n");

(void)printf("%u page ins, %u total time (msec)\n",

sum.v_pageins, pgintime / 10);

(void)printf("average: %8.1f msec / page in\n",

pgintime / (sum.v_pageins * 10.0));

#endif

}

int

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size_t size;

int mib[2], nselcoll;

#ifdef UVM

if (nlistf == NULL && memf == NULL) {

size = sizeof(struct uvmexp);

mib[0] = CTL_VM;

Line 638

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(void)printf("%11u pages scanned by pagedaemon\n", uvmexp.pdscans);

(void)printf("%11u pages reactivated by pagedaemon\n", uvmexp.pdreact);

(void)printf("%11u busy pages found by pagedaemon\n", uvmexp.pdbusy);

#else

kread(X_SUM, &sum, sizeof(sum));

(void)printf("%11u cpu context switches\n", sum.v_swtch);

(void)printf("%11u device interrupts\n", sum.v_intr);

(void)printf("%11u software interrupts\n", sum.v_soft);

(void)printf("%11u traps\n", sum.v_trap);

(void)printf("%11u system calls\n", sum.v_syscall);

(void)printf("%11u total faults taken\n", sum.v_faults);

(void)printf("%11u swap ins\n", sum.v_swpin);

(void)printf("%11u swap outs\n", sum.v_swpout);

(void)printf("%11u pages swapped in\n", sum.v_pswpin);

(void)printf("%11u pages swapped out\n", sum.v_pswpout);

(void)printf("%11u page ins\n", sum.v_pageins);

(void)printf("%11u page outs\n", sum.v_pageouts);

(void)printf("%11u pages paged in\n", sum.v_pgpgin);

(void)printf("%11u pages paged out\n", sum.v_pgpgout);

(void)printf("%11u pages reactivated\n", sum.v_reactivated);

(void)printf("%11u intransit blocking page faults\n", sum.v_intrans);

(void)printf("%11u zero fill pages created\n", sum.v_nzfod);

(void)printf("%11u zero fill page faults\n", sum.v_zfod);

(void)printf("%11u pages examined by the clock daemon\n", sum.v_scan);

(void)printf("%11u revolutions of the clock hand\n", sum.v_rev);

(void)printf("%11u VM object cache lookups\n", sum.v_lookups);

(void)printf("%11u VM object hits\n", sum.v_hits);

(void)printf("%11u total VM faults taken\n", sum.v_vm_faults);

(void)printf("%11u copy-on-write faults\n", sum.v_cow_faults);

(void)printf("%11u pages freed by daemon\n", sum.v_dfree);

(void)printf("%11u pages freed by exiting processes\n", sum.v_pfree);

(void)printf("%11u pages free\n", sum.v_free_count);

(void)printf("%11u pages wired down\n", sum.v_wire_count);

(void)printf("%11u pages active\n", sum.v_active_count);

(void)printf("%11u pages inactive\n", sum.v_inactive_count);

(void)printf("%11u bytes per page\n", sum.v_page_size);

#endif

if (nlistf == NULL && memf == NULL) {

size = sizeof(nchstats);