Line data    Source code

       1             : /*      $OpenBSD: uvm_stat.c,v 1.30 2018/06/19 22:35:07 krw Exp $        */
       2             : /*      $NetBSD: uvm_stat.c,v 1.18 2001/03/09 01:02:13 chs Exp $         */
       3             : 
       4             : /*
       5             :  * Copyright (c) 1997 Charles D. Cranor and Washington University.
       6             :  * All rights reserved.
       7             :  *
       8             :  * Redistribution and use in source and binary forms, with or without
       9             :  * modification, are permitted provided that the following conditions
      10             :  * are met:
      11             :  * 1. Redistributions of source code must retain the above copyright
      12             :  *    notice, this list of conditions and the following disclaimer.
      13             :  * 2. Redistributions in binary form must reproduce the above copyright
      14             :  *    notice, this list of conditions and the following disclaimer in the
      15             :  *    documentation and/or other materials provided with the distribution.
      16             :  *
      17             :  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
      18             :  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
      19             :  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
      20             :  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
      21             :  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
      22             :  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      23             :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      24             :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      25             :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
      26             :  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      27             :  *
      28             :  * from: Id: uvm_stat.c,v 1.1.2.3 1997/12/19 15:01:00 mrg Exp
      29             :  */
      30             : 
      31             : /*
      32             :  * uvm_stat.c
      33             :  */
      34             : 
      35             : #include <sys/param.h>
      36             : #include <sys/systm.h>
      37             : 
      38             : #include <uvm/uvm.h>
      39             : #include <uvm/uvm_ddb.h>
      40             : 
      41             : #ifdef DDB
      42             : 
      43             : /*
      44             :  * uvmexp_print: ddb hook to print interesting uvm counters
      45             :  */
      46             : void
      47           0 : uvmexp_print(int (*pr)(const char *, ...))
      48             : {
      49             : 
      50           0 :         (*pr)("Current UVM status:\n");
      51           0 :         (*pr)("  pagesize=%d (0x%x), pagemask=0x%x, pageshift=%d\n",
      52           0 :             uvmexp.pagesize, uvmexp.pagesize, uvmexp.pagemask,
      53           0 :             uvmexp.pageshift);
      54           0 :         (*pr)("  %d VM pages: %d active, %d inactive, %d wired, %d free (%d zero)\n",
      55           0 :             uvmexp.npages, uvmexp.active, uvmexp.inactive, uvmexp.wired,
      56           0 :             uvmexp.free, uvmexp.zeropages);
      57           0 :         (*pr)("  min  %d%% (%d) anon, %d%% (%d) vnode, %d%% (%d) vtext\n",
      58           0 :             uvmexp.anonminpct, uvmexp.anonmin, uvmexp.vnodeminpct,
      59           0 :             uvmexp.vnodemin, uvmexp.vtextminpct, uvmexp.vtextmin);
      60           0 :         (*pr)("  freemin=%d, free-target=%d, inactive-target=%d, "
      61           0 :             "wired-max=%d\n", uvmexp.freemin, uvmexp.freetarg, uvmexp.inactarg,
      62           0 :             uvmexp.wiredmax);
      63           0 :         (*pr)("  faults=%d, traps=%d, intrs=%d, ctxswitch=%d fpuswitch=%d\n",
      64           0 :             uvmexp.faults, uvmexp.traps, uvmexp.intrs, uvmexp.swtch,
      65           0 :             uvmexp.fpswtch);
      66           0 :         (*pr)("  softint=%d, syscalls=%d, kmapent=%d\n",
      67           0 :             uvmexp.softs, uvmexp.syscalls, uvmexp.kmapent);
      68             : 
      69           0 :         (*pr)("  fault counts:\n");
      70           0 :         (*pr)("    noram=%d, noanon=%d, noamap=%d, pgwait=%d, pgrele=%d\n",
      71           0 :             uvmexp.fltnoram, uvmexp.fltnoanon, uvmexp.fltnoamap,
      72           0 :             uvmexp.fltpgwait, uvmexp.fltpgrele);
      73           0 :         (*pr)("    ok relocks(total)=%d(%d), anget(retries)=%d(%d), "
      74           0 :             "amapcopy=%d\n", uvmexp.fltrelckok, uvmexp.fltrelck,
      75           0 :             uvmexp.fltanget, uvmexp.fltanretry, uvmexp.fltamcopy);
      76           0 :         (*pr)("    neighbor anon/obj pg=%d/%d, gets(lock/unlock)=%d/%d\n",
      77           0 :             uvmexp.fltnamap, uvmexp.fltnomap, uvmexp.fltlget, uvmexp.fltget);
      78           0 :         (*pr)("    cases: anon=%d, anoncow=%d, obj=%d, prcopy=%d, przero=%d\n",
      79           0 :             uvmexp.flt_anon, uvmexp.flt_acow, uvmexp.flt_obj, uvmexp.flt_prcopy,
      80           0 :             uvmexp.flt_przero);
      81             : 
      82           0 :         (*pr)("  daemon and swap counts:\n");
      83           0 :         (*pr)("    woke=%d, revs=%d, scans=%d, obscans=%d, anscans=%d\n",
      84           0 :             uvmexp.pdwoke, uvmexp.pdrevs, uvmexp.pdscans, uvmexp.pdobscan,
      85           0 :             uvmexp.pdanscan);
      86           0 :         (*pr)("    busy=%d, freed=%d, reactivate=%d, deactivate=%d\n",
      87           0 :             uvmexp.pdbusy, uvmexp.pdfreed, uvmexp.pdreact, uvmexp.pddeact);
      88           0 :         (*pr)("    pageouts=%d, pending=%d, nswget=%d\n", uvmexp.pdpageouts,
      89           0 :             uvmexp.pdpending, uvmexp.nswget);
      90           0 :         (*pr)("    nswapdev=%d\n",
      91           0 :             uvmexp.nswapdev);
      92           0 :         (*pr)("    swpages=%d, swpginuse=%d, swpgonly=%d paging=%d\n",
      93           0 :             uvmexp.swpages, uvmexp.swpginuse, uvmexp.swpgonly, uvmexp.paging);
      94             : 
      95           0 :         (*pr)("  kernel pointers:\n");
      96           0 :         (*pr)("    objs(kern)=%p\n", uvm.kernel_object);
      97           0 : }
      98             : #endif