274 lines
8.6 KiB
C
274 lines
8.6 KiB
C
/* $OpenBSD: uvm.c,v 1.9 2024/05/01 12:54:27 mpi Exp $ */
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/*
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* Copyright (c) 2008 Can Erkin Acar <canacar@openbsd.org>
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* Copyright (c) 2018 Kenneth R Westerback <krw@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/signal.h>
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#include <sys/sysctl.h>
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#include <sys/pool.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include "systat.h"
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#ifndef nitems
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#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
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#endif
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void print_uvm(void);
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int read_uvm(void);
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int select_uvm(void);
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void print_uvmexp_field(field_def *, field_def *, int *, int *, const char *);
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void print_uvmexp_line(int);
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struct uvmexp uvmexp;
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struct uvmexp last_uvmexp;
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struct uvmline {
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int *v1;
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int *ov1;
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char *n1;
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int *v2;
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int *ov2;
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char *n2;
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int *v3;
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int *ov3;
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char *n3;
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};
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struct uvmline uvmline[] = {
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{ NULL, NULL, "Page Counters",
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NULL, NULL, "Stats Counters",
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NULL, NULL, "Fault Counters" },
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{ &uvmexp.npages, &last_uvmexp.npages, "npages",
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&uvmexp.faults, &last_uvmexp.faults, "faults",
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&uvmexp.fltnoram, &last_uvmexp.fltnoram, "fltnoram" },
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{ &uvmexp.free, &last_uvmexp.free, "free",
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&uvmexp.traps, &last_uvmexp.traps, "traps",
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&uvmexp.fltnoanon, &last_uvmexp.fltnoanon, "fltnoanon" },
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{ &uvmexp.active, &last_uvmexp.active, "active",
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&uvmexp.intrs, &last_uvmexp.intrs, "intrs",
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&uvmexp.fltnoamap, &last_uvmexp.fltnoamap, "fltnoamap" },
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{ &uvmexp.inactive, &last_uvmexp.inactive, "inactive",
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&uvmexp.swtch, &last_uvmexp.swtch, "swtch",
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&uvmexp.fltpgwait, &last_uvmexp.fltpgwait, "fltpgwait" },
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{ &uvmexp.paging, &last_uvmexp.paging, "paging",
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&uvmexp.softs, &last_uvmexp.softs, "softs",
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&uvmexp.fltpgrele, &last_uvmexp.fltpgrele, "fltpgrele" },
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{ &uvmexp.wired, &last_uvmexp.wired, "wired",
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&uvmexp.syscalls, &last_uvmexp.syscalls, "syscalls",
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&uvmexp.fltrelck, &last_uvmexp.fltrelck, "fltrelck" },
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{ &uvmexp.zeropages, &last_uvmexp.zeropages, "zeropages",
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&uvmexp.pageins, &last_uvmexp.pageins, "pageins",
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&uvmexp.fltrelckok, &last_uvmexp.fltrelckok, "fltrelckok" },
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{ &uvmexp.percpucaches, &last_uvmexp.percpucaches, "percpucaches",
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&uvmexp.pgswapin, &last_uvmexp.pgswapin, "pgswapin",
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&uvmexp.fltanget, &last_uvmexp.fltanget, "fltanget" },
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{ NULL, NULL, NULL,
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&uvmexp.pgswapout, &last_uvmexp.pgswapout, "pgswapout",
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&uvmexp.fltanretry, &last_uvmexp.fltanretry, "fltanretry" },
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{ NULL, NULL, NULL,
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&uvmexp.forks, &last_uvmexp.forks, "forks",
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&uvmexp.fltamcopy, &last_uvmexp.fltamcopy, "fltamcopy" },
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{ NULL, NULL, "Pageout Params",
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&uvmexp.forks_ppwait, &last_uvmexp.forks_ppwait, "forks_ppwait",
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&uvmexp.fltnamap, &last_uvmexp.fltnamap, "fltnamap" },
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{ &uvmexp.freemin, &last_uvmexp.freemin, "freemin",
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&uvmexp.forks_sharevm, &last_uvmexp.forks_sharevm, "forks_sharevm",
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&uvmexp.fltnomap, &last_uvmexp.fltnomap, "fltnomap" },
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{ &uvmexp.freetarg, &last_uvmexp.freetarg, "freetarg",
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&uvmexp.pga_zerohit, &last_uvmexp.pga_zerohit, "pga_zerohit",
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&uvmexp.fltlget, &last_uvmexp.fltlget, "fltlget" },
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{ &uvmexp.inactarg, &last_uvmexp.inactarg, "inactarg",
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&uvmexp.pga_zeromiss, &last_uvmexp.pga_zeromiss, "pga_zeromiss",
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&uvmexp.fltget, &last_uvmexp.fltget, "fltget" },
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{ &uvmexp.wiredmax, &last_uvmexp.wiredmax, "wiredmax",
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NULL, NULL, NULL,
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&uvmexp.flt_anon, &last_uvmexp.flt_anon, "flt_anon" },
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{ &uvmexp.anonmin, &last_uvmexp.anonmin, "anonmin",
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NULL, NULL, "Daemon Counters",
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&uvmexp.flt_acow, &last_uvmexp.flt_acow, "flt_acow" },
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{ &uvmexp.vtextmin, &last_uvmexp.vtextmin, "vtextmin",
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&uvmexp.pdwoke, &last_uvmexp.pdwoke, "pdwoke",
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&uvmexp.flt_obj, &last_uvmexp.flt_obj, "flt_obj" },
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{ &uvmexp.vnodemin, &last_uvmexp.vnodemin, "vnodemin",
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&uvmexp.pdrevs, &last_uvmexp.pdrevs, "pdrevs",
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&uvmexp.flt_prcopy, &last_uvmexp.flt_prcopy, "flt_prcopy" },
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{ &uvmexp.anonminpct, &last_uvmexp.anonminpct, "anonminpct",
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&uvmexp.pdswout, &last_uvmexp.pdswout, "pdswout",
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&uvmexp.flt_przero, &last_uvmexp.flt_przero, "flt_przero" },
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{ &uvmexp.vtextminpct, &last_uvmexp.vtextminpct, "vtextminpct",
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&uvmexp.swpgonly, &last_uvmexp.swpgonly, "swpgonly",
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NULL, NULL, NULL },
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{ &uvmexp.vnodeminpct, &last_uvmexp.vnodeminpct, "vnodeminpct",
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&uvmexp.pdfreed, &last_uvmexp.pdfreed, "pdfreed",
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NULL, NULL, "Swap Counters" },
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{ NULL, NULL, NULL,
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&uvmexp.pdscans, &last_uvmexp.pdscans, "pdscans",
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&uvmexp.nswapdev, &last_uvmexp.nswapdev, "nswapdev" },
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{ NULL, NULL, "Misc Counters",
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&uvmexp.pdanscan, &last_uvmexp.pdanscan, "pdanscan",
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&uvmexp.swpages, &last_uvmexp.swpages, "swpages" },
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{ &uvmexp.fpswtch, &last_uvmexp.fpswtch, "fpswtch",
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&uvmexp.pdobscan, &last_uvmexp.pdobscan, "pdobscan",
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&uvmexp.swpginuse, &last_uvmexp.swpginuse, "swpginuse" },
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{ &uvmexp.kmapent, &last_uvmexp.kmapent, "kmapent",
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&uvmexp.pdreact, &last_uvmexp.pdreact, "pdreact",
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&uvmexp.swpgonly, &last_uvmexp.swpgonly, "swpgonly" },
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{ NULL, NULL, NULL,
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&uvmexp.pdbusy, &last_uvmexp.pdbusy, "pdbusy",
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&uvmexp.nswget, &last_uvmexp.nswget, "nswget" },
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{ NULL, NULL, "Constants",
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&uvmexp.pdpageouts, &last_uvmexp.pdpageouts, "pdpageouts",
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NULL, NULL, NULL },
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{ &uvmexp.pagesize, &last_uvmexp.pagesize, "pagesize",
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&uvmexp.pdpending, &last_uvmexp.pdpending, "pdpending",
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NULL, NULL, "Per-CPU Counters" },
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{ &uvmexp.pagemask, &last_uvmexp.pagemask, "pagemask",
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&uvmexp.pddeact, &last_uvmexp.pddeact, "pddeact",
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&uvmexp.pcphit, &last_uvmexp.pcphit, "pcphit" },
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{ &uvmexp.pageshift, &last_uvmexp.pageshift, "pageshift",
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NULL, NULL, NULL,
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&uvmexp.pcpmiss, &last_uvmexp.pcpmiss, "pcpmiss" }
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};
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field_def fields_uvm[] = {
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{"", 5,10,1, FLD_ALIGN_RIGHT, -1,0,0,0 },
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{"", 18,19,1, FLD_ALIGN_LEFT, -1,0,0,0 },
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{"", 5,10,1, FLD_ALIGN_RIGHT, -1,0,0,0 },
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{"", 18,19,1, FLD_ALIGN_LEFT, -1,0,0,0 },
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{"", 5,10,1, FLD_ALIGN_RIGHT, -1,0,0,0 },
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{"", 18,19,1, FLD_ALIGN_LEFT, -1,0,0,0 },
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};
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#define FLD_VALUE1 FIELD_ADDR(fields_uvm, 0)
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#define FLD_NAME1 FIELD_ADDR(fields_uvm, 1)
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#define FLD_VALUE2 FIELD_ADDR(fields_uvm, 2)
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#define FLD_NAME2 FIELD_ADDR(fields_uvm, 3)
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#define FLD_VALUE3 FIELD_ADDR(fields_uvm, 4)
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#define FLD_NAME3 FIELD_ADDR(fields_uvm, 5)
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/* Define views */
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field_def *view_uvm_0[] = {
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FLD_VALUE1, FLD_NAME1,
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FLD_VALUE2, FLD_NAME2,
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FLD_VALUE3, FLD_NAME3,
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NULL
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};
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/* Define view managers */
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struct view_manager uvm_mgr = {
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"UVM", select_uvm, read_uvm, NULL, print_header,
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print_uvm, keyboard_callback, NULL, NULL
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};
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field_view uvm_view = {
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view_uvm_0,
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"uvm",
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'5',
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&uvm_mgr
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};
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int
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select_uvm(void)
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{
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return (0);
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}
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int
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read_uvm(void)
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{
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static int uvmexp_mib[2] = { CTL_VM, VM_UVMEXP };
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size_t size;
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num_disp = nitems(uvmline);
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memcpy(&last_uvmexp, &uvmexp, sizeof(uvmexp));
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size = sizeof(uvmexp);
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if (sysctl(uvmexp_mib, 2, &uvmexp, &size, NULL, 0) == -1) {
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error("Can't get VM_UVMEXP: %s\n", strerror(errno));
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memset(&uvmexp, 0, sizeof(uvmexp));
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}
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return 0;
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}
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void
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print_uvmexp_field(field_def *fvalue, field_def *fname, int *new, int *old,
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const char *name)
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{
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char *uppername;
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size_t len, i;
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if (new == NULL && name == NULL)
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return;
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if (new == NULL) {
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print_fld_str(fvalue, "=====");
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print_fld_str(fname, name);
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return;
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}
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if (*new != 0)
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print_fld_ssize(fvalue, *new);
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if (*new == *old) {
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print_fld_str(fname, name);
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return;
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}
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len = strlen(name);
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uppername = malloc(len + 1);
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if (uppername == NULL)
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err(1, "malloc");
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for (i = 0; i < len; i++)
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uppername[i] = toupper(name[i]);
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uppername[len] = '\0';
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print_fld_str(fname, uppername);
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free(uppername);
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}
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void
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print_uvm(void)
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{
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struct uvmline *l;
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int i, maxline;
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maxline = nitems(uvmline);
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if (maxline > (dispstart + maxprint))
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maxline = dispstart + maxprint;
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for (i = dispstart; i < nitems(uvmline); i++) {
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l = &uvmline[i];
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print_uvmexp_field(FLD_VALUE1, FLD_NAME1, l->v1, l->ov1, l->n1);
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print_uvmexp_field(FLD_VALUE2, FLD_NAME2, l->v2, l->ov2, l->n2);
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print_uvmexp_field(FLD_VALUE3, FLD_NAME3, l->v3, l->ov3, l->n3);
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end_line();
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}
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}
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int
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inituvm(void)
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{
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add_view(&uvm_view);
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read_uvm();
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return(0);
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}
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