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/* $OpenBSD: uvm.c,v 1.6 2022/11/27 23:18:54 kn Exp $ */
/*
* Copyright (c) 2008 Can Erkin Acar <canacar@openbsd.org>
* Copyright (c) 2018 Kenneth R Westerback <krw@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/signal.h>
#include <sys/sysctl.h>
#include <sys/pool.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include "systat.h"
#ifndef nitems
#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
#endif
void print_uvm(void);
int read_uvm(void);
int select_uvm(void);
void print_uvmexp_field(field_def *, field_def *, int *, int *, const char *);
void print_uvmexp_line(int);
struct uvmexp uvmexp;
struct uvmexp last_uvmexp;
struct uvmline {
int *v1;
int *ov1;
char *n1;
int *v2;
int *ov2;
char *n2;
int *v3;
int *ov3;
char *n3;
};
struct uvmline uvmline[] = {
{ NULL, NULL, "Page Counters",
NULL, NULL, "Stats Counters",
NULL, NULL, "Fault Counters" },
{ &uvmexp.npages, &last_uvmexp.npages, "npages",
&uvmexp.faults, &last_uvmexp.faults, "faults",
&uvmexp.fltnoram, &last_uvmexp.fltnoram, "fltnoram" },
{ &uvmexp.free, &last_uvmexp.free, "free",
&uvmexp.traps, &last_uvmexp.traps, "traps",
&uvmexp.fltnoanon, &last_uvmexp.fltnoanon, "fltnoanon" },
{ &uvmexp.active, &last_uvmexp.active, "active",
&uvmexp.intrs, &last_uvmexp.intrs, "intrs",
&uvmexp.fltnoamap, &last_uvmexp.fltnoamap, "fltnoamap" },
{ &uvmexp.inactive, &last_uvmexp.inactive, "inactive",
&uvmexp.swtch, &last_uvmexp.swtch, "swtch",
&uvmexp.fltpgwait, &last_uvmexp.fltpgwait, "fltpgwait" },
{ &uvmexp.paging, &last_uvmexp.paging, "paging",
&uvmexp.softs, &last_uvmexp.softs, "softs",
&uvmexp.fltpgrele, &last_uvmexp.fltpgrele, "fltpgrele" },
{ &uvmexp.wired, &last_uvmexp.wired, "wired",
&uvmexp.syscalls, &last_uvmexp.syscalls, "syscalls",
&uvmexp.fltrelck, &last_uvmexp.fltrelck, "fltrelck" },
{ &uvmexp.zeropages, &last_uvmexp.zeropages, "zeropages",
&uvmexp.pageins, &last_uvmexp.pageins, "pageins",
&uvmexp.fltrelckok, &last_uvmexp.fltrelckok, "fltrelckok" },
{ &uvmexp.reserve_pagedaemon, &last_uvmexp.reserve_pagedaemon,
"reserve_pagedaemon",
&uvmexp.pgswapin, &last_uvmexp.pgswapin, "pgswapin",
&uvmexp.fltanget, &last_uvmexp.fltanget, "fltanget" },
{ &uvmexp.reserve_kernel, &last_uvmexp.reserve_kernel, "reserve_kernel",
&uvmexp.pgswapout, &last_uvmexp.pgswapout, "pgswapout",
&uvmexp.fltanretry, &last_uvmexp.fltanretry, "fltanretry" },
{ NULL, NULL, NULL,
&uvmexp.forks, &last_uvmexp.forks, "forks",
&uvmexp.fltamcopy, &last_uvmexp.fltamcopy, "fltamcopy" },
{ NULL, NULL, "Pageout Params",
&uvmexp.forks_ppwait, &last_uvmexp.forks_ppwait, "forks_ppwait",
&uvmexp.fltnamap, &last_uvmexp.fltnamap, "fltnamap" },
{ &uvmexp.freemin, &last_uvmexp.freemin, "freemin",
&uvmexp.forks_sharevm, &last_uvmexp.forks_sharevm, "forks_sharevm",
&uvmexp.fltnomap, &last_uvmexp.fltnomap, "fltnomap" },
{ &uvmexp.freetarg, &last_uvmexp.freetarg, "freetarg",
&uvmexp.pga_zerohit, &last_uvmexp.pga_zerohit, "pga_zerohit",
&uvmexp.fltlget, &last_uvmexp.fltlget, "fltlget" },
{ &uvmexp.inactarg, &last_uvmexp.inactarg, "inactarg",
&uvmexp.pga_zeromiss, &last_uvmexp.pga_zeromiss, "pga_zeromiss",
&uvmexp.fltget, &last_uvmexp.fltget, "fltget" },
{ &uvmexp.wiredmax, &last_uvmexp.wiredmax, "wiredmax",
NULL, NULL, NULL,
&uvmexp.flt_anon, &last_uvmexp.flt_anon, "flt_anon" },
{ &uvmexp.anonmin, &last_uvmexp.anonmin, "anonmin",
NULL, NULL, "Daemon Counters",
&uvmexp.flt_acow, &last_uvmexp.flt_acow, "flt_acow" },
{ &uvmexp.vtextmin, &last_uvmexp.vtextmin, "vtextmin",
&uvmexp.pdwoke, &last_uvmexp.pdwoke, "pdwoke",
&uvmexp.flt_obj, &last_uvmexp.flt_obj, "flt_obj" },
{ &uvmexp.vnodemin, &last_uvmexp.vnodemin, "vnodemin",
&uvmexp.pdrevs, &last_uvmexp.pdrevs, "pdrevs",
&uvmexp.flt_prcopy, &last_uvmexp.flt_prcopy, "flt_prcopy" },
{ &uvmexp.anonminpct, &last_uvmexp.anonminpct, "anonminpct",
&uvmexp.pdswout, &last_uvmexp.pdswout, "pdswout",
&uvmexp.flt_przero, &last_uvmexp.flt_przero, "flt_przero" },
{ &uvmexp.vtextminpct, &last_uvmexp.vtextminpct, "vtextminpct",
&uvmexp.swpgonly, &last_uvmexp.swpgonly, "swpgonly",
NULL, NULL, NULL },
{ &uvmexp.vnodeminpct, &last_uvmexp.vnodeminpct, "vnodeminpct",
&uvmexp.pdfreed, &last_uvmexp.pdfreed, "pdfreed",
NULL, NULL, "Swap Counters" },
{ NULL, NULL, NULL,
&uvmexp.pdscans, &last_uvmexp.pdscans, "pdscans",
&uvmexp.nswapdev, &last_uvmexp.nswapdev, "nswapdev" },
{ NULL, NULL, "Misc Counters",
&uvmexp.pdanscan, &last_uvmexp.pdanscan, "pdanscan",
&uvmexp.swpages, &last_uvmexp.swpages, "swpages" },
{ &uvmexp.fpswtch, &last_uvmexp.fpswtch, "fpswtch",
&uvmexp.pdobscan, &last_uvmexp.pdobscan, "pdobscan",
&uvmexp.swpginuse, &last_uvmexp.swpginuse, "swpginuse" },
{ &uvmexp.kmapent, &last_uvmexp.kmapent, "kmapent",
&uvmexp.pdreact, &last_uvmexp.pdreact, "pdreact",
&uvmexp.swpgonly, &last_uvmexp.swpgonly, "swpgonly" },
{ NULL, NULL, NULL,
&uvmexp.pdbusy, &last_uvmexp.pdbusy, "pdbusy",
&uvmexp.nswget, &last_uvmexp.nswget, "nswget" },
{ NULL, NULL, "Constants",
&uvmexp.pdpageouts, &last_uvmexp.pdpageouts, "pdpageouts",
NULL, NULL, NULL },
{ &uvmexp.pagesize, &last_uvmexp.pagesize, "pagesize",
&uvmexp.pdpending, &last_uvmexp.pdpending, "pdpending",
NULL, NULL, NULL },
{ &uvmexp.pagemask, &last_uvmexp.pagemask, "pagemask",
&uvmexp.pddeact, &last_uvmexp.pddeact, "pddeact",
NULL, NULL, NULL },
{ &uvmexp.pageshift, &last_uvmexp.pageshift, "pageshift",
NULL, NULL, NULL,
NULL, NULL, NULL }
};
field_def fields_uvm[] = {
{"", 5,10,1, FLD_ALIGN_RIGHT, -1,0,0,0 },
{"", 18,19,1, FLD_ALIGN_LEFT, -1,0,0,0 },
{"", 5,10,1, FLD_ALIGN_RIGHT, -1,0,0,0 },
{"", 18,19,1, FLD_ALIGN_LEFT, -1,0,0,0 },
{"", 5,10,1, FLD_ALIGN_RIGHT, -1,0,0,0 },
{"", 18,19,1, FLD_ALIGN_LEFT, -1,0,0,0 },
};
#define FLD_VALUE1 FIELD_ADDR(fields_uvm, 0)
#define FLD_NAME1 FIELD_ADDR(fields_uvm, 1)
#define FLD_VALUE2 FIELD_ADDR(fields_uvm, 2)
#define FLD_NAME2 FIELD_ADDR(fields_uvm, 3)
#define FLD_VALUE3 FIELD_ADDR(fields_uvm, 4)
#define FLD_NAME3 FIELD_ADDR(fields_uvm, 5)
/* Define views */
field_def *view_uvm_0[] = {
FLD_VALUE1, FLD_NAME1,
FLD_VALUE2, FLD_NAME2,
FLD_VALUE3, FLD_NAME3,
NULL
};
/* Define view managers */
struct view_manager uvm_mgr = {
"UVM", select_uvm, read_uvm, NULL, print_header,
print_uvm, keyboard_callback, NULL, NULL
};
field_view uvm_view = {
view_uvm_0,
"uvm",
'5',
&uvm_mgr
};
int
select_uvm(void)
{
return (0);
}
int
read_uvm(void)
{
static int uvmexp_mib[2] = { CTL_VM, VM_UVMEXP };
size_t size;
num_disp = nitems(uvmline);
memcpy(&last_uvmexp, &uvmexp, sizeof(uvmexp));
size = sizeof(uvmexp);
if (sysctl(uvmexp_mib, 2, &uvmexp, &size, NULL, 0) == -1) {
error("Can't get VM_UVMEXP: %s\n", strerror(errno));
memset(&uvmexp, 0, sizeof(uvmexp));
}
return 0;
}
void
print_uvmexp_field(field_def *fvalue, field_def *fname, int *new, int *old,
const char *name)
{
char *uppername;
size_t len, i;
if (new == NULL && name == NULL)
return;
if (new == NULL) {
print_fld_str(fvalue, "=====");
print_fld_str(fname, name);
return;
}
if (*new != 0)
print_fld_ssize(fvalue, *new);
if (*new == *old) {
print_fld_str(fname, name);
return;
}
len = strlen(name);
uppername = malloc(len + 1);
if (uppername == NULL)
err(1, "malloc");
for (i = 0; i < len; i++)
uppername[i] = toupper(name[i]);
uppername[len] = '\0';
print_fld_str(fname, uppername);
free(uppername);
}
void
print_uvm(void)
{
struct uvmline *l;
int i, maxline;
maxline = nitems(uvmline);
if (maxline > (dispstart + maxprint))
maxline = dispstart + maxprint;
for (i = dispstart; i < nitems(uvmline); i++) {
l = &uvmline[i];
print_uvmexp_field(FLD_VALUE1, FLD_NAME1, l->v1, l->ov1, l->n1);
print_uvmexp_field(FLD_VALUE2, FLD_NAME2, l->v2, l->ov2, l->n2);
print_uvmexp_field(FLD_VALUE3, FLD_NAME3, l->v3, l->ov3, l->n3);
end_line();
}
}
int
inituvm(void)
{
add_view(&uvm_view);
read_uvm();
return(0);
}
|
