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uvm_stat.c revision 1.4
      1 /*	$NetBSD: uvm_stat.c,v 1.4 1998/02/10 14:12:29 mrg Exp $	*/
      2 
      3 /*
      4  * XXXCDC: "ROUGH DRAFT" QUALITY UVM PRE-RELEASE FILE!
      5  *	   >>>USE AT YOUR OWN RISK, WORK IS NOT FINISHED<<<
      6  */
      7 /*
      8  *
      9  * Copyright (c) 1997 Charles D. Cranor and Washington University.
     10  * All rights reserved.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *      This product includes software developed by Charles D. Cranor and
     23  *      Washington University.
     24  * 4. The name of the author may not be used to endorse or promote products
     25  *    derived from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     28  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     29  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     30  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     31  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     32  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     33  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     34  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     35  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     36  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     37  *
     38  * from: Id: uvm_stat.c,v 1.1.2.3 1997/12/19 15:01:00 mrg Exp
     39  */
     40 
     41 #include "opt_uvmhist.h"
     42 
     43 /*
     44  * uvm_stat.c
     45  */
     46 
     47 #include <sys/param.h>
     48 #include <sys/systm.h>
     49 
     50 #include <vm/vm.h>
     51 
     52 #include <uvm/uvm.h>
     53 
     54 struct uvm_cnt *uvm_cnt_head = NULL;
     55 
     56 /*
     57  * prototypes
     58  */
     59 
     60 void uvmhist_dump __P((struct uvm_history *));
     61 void uvmcnt_dump __P((void));
     62 void uvmmap_dump __P((vm_map_t));
     63 void uvm_dump __P((void));
     64 
     65 #ifdef UVMHIST
     66 /* call this from ddb */
     67 void
     68 uvmhist_dump(l)
     69 
     70 struct uvm_history *l;
     71 
     72 {
     73   int lcv, s = splhigh();
     74   lcv = l->f;
     75   do {
     76     if (l->e[lcv].fmt)
     77       uvmhist_print(&l->e[lcv]);
     78     lcv = (lcv + 1) % l->n;
     79   } while (lcv != l->f);
     80   splx(s);
     81 }
     82 #endif
     83 
     84 void
     85 uvmcnt_dump()
     86 
     87 {
     88   struct uvm_cnt *uvc = uvm_cnt_head;
     89   while (uvc) {
     90     if ((uvc->t & UVMCNT_MASK) != UVMCNT_CNT) continue;
     91     printf("%s = %d\n", uvc->name, uvc->c);
     92     uvc = uvc->next;
     93   }
     94 }
     95 
     96 /*
     97  * uvm_dump: ddb hook to dump interesting uvm counters
     98  */
     99 
    100 void uvm_dump()
    101 
    102 {
    103   printf("Current UVM status:\n");
    104   printf("  pagesize=%d (0x%x), pagemask=0x%x, pageshift=%d\n",
    105     uvmexp.pagesize, uvmexp.pagesize, uvmexp.pagemask, uvmexp.pageshift);
    106   printf("  %d VM pages: %d active, %d inactive, %d wired, %d free\n",
    107     uvmexp.npages, uvmexp.active, uvmexp.inactive, uvmexp.wired, uvmexp.free);
    108   printf("  freemin=%d, free-target=%d, inactive-target=%d, wired-max=%d\n",
    109     uvmexp.freemin, uvmexp.freetarg, uvmexp.inactarg, uvmexp.wiredmax);
    110   printf("  faults=%d, traps=%d, intrs=%d, ctxswitch=%d\n",
    111     uvmexp.faults, uvmexp.traps, uvmexp.intrs, uvmexp.swtch);
    112   printf("  softint=%d, syscalls=%d, swapins=%d, swapouts=%d\n",
    113     uvmexp.softs, uvmexp.syscalls, uvmexp.swapins, uvmexp.swapouts);
    114   printf("  fault counts:\n");
    115   printf("    noram=%d, noanon=%d, pgwait=%d, pgrele=%d\n",
    116     uvmexp.fltnoram, uvmexp.fltnoanon, uvmexp.fltpgwait, uvmexp.fltpgrele);
    117   printf("    ok relocks(total)=%d(%d), anget(retrys)=%d(%d), amapcopy=%d\n",
    118     uvmexp.fltrelckok, uvmexp.fltrelck, uvmexp.fltanget, uvmexp.fltanretry,
    119     uvmexp.fltamcopy);
    120   printf("    neighbor anon/obj pg=%d/%d, gets(lock/unlock)=%d/%d\n",
    121     uvmexp.fltnamap, uvmexp.fltnomap, uvmexp.fltlget, uvmexp.fltget);
    122   printf("    cases: anon=%d, anoncow=%d, obj=%d, prcopy=%d, przero=%d\n",
    123     uvmexp.flt_anon, uvmexp.flt_acow, uvmexp.flt_obj, uvmexp.flt_prcopy,
    124     uvmexp.flt_przero);
    125   printf("  daemon and swap counts:\n");
    126   printf("    woke=%d, revs=%d, scans=%d, swout=%d\n", uvmexp.pdwoke,
    127     uvmexp.pdrevs, uvmexp.pdscans, uvmexp.pdswout);
    128   printf("    busy=%d, freed=%d, reactivate=%d, deactivate=%d\n", uvmexp.pdbusy,
    129         uvmexp.pdfreed, uvmexp.pdreact, uvmexp.pddeact);
    130   printf("    pageouts=%d, pending=%d, nswget=%d\n", uvmexp.pdpageouts,
    131 	uvmexp.pdpending, uvmexp.nswget);
    132   printf("    nswapdev=%d, nanon=%d, nfreeanon=%d\n", uvmexp.nswapdev,
    133 	uvmexp.nanon, uvmexp.nfreeanon);
    134 }
    135