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/* $NetBSD: uvm_stat.c,v 1.37 2011/05/17 04:18:07 mrg Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* from: Id: uvm_stat.c,v 1.1.2.3 1997/12/19 15:01:00 mrg Exp
*/
/*
* uvm_stat.c
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvm_stat.c,v 1.37 2011/05/17 04:18:07 mrg Exp $");
#include "opt_readahead.h"
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/cpu.h>
#include <uvm/uvm.h>
#include <uvm/uvm_ddb.h>
#ifdef DDB
/*
* uvmexp_print: ddb hook to print interesting uvm counters
*/
void
uvmexp_print(void (*pr)(const char *, ...)
__attribute__((__format__(__printf__,1,2))))
{
int active, inactive;
CPU_INFO_ITERATOR cii;
struct cpu_info *ci;
uvm_estimatepageable(&active, &inactive);
(*pr)("Current UVM status:\n");
(*pr)(" pagesize=%d (0x%x), pagemask=0x%x, pageshift=%d\n, ncolors=%d",
uvmexp.pagesize, uvmexp.pagesize, uvmexp.pagemask,
uvmexp.pageshift, uvmexp.ncolors);
(*pr)(" %d VM pages: %d active, %d inactive, %d wired, %d free\n",
uvmexp.npages, active, inactive, uvmexp.wired,
uvmexp.free);
(*pr)(" pages %d anon, %d file, %d exec\n",
uvmexp.anonpages, uvmexp.filepages, uvmexp.execpages);
(*pr)(" freemin=%d, free-target=%d, wired-max=%d\n",
uvmexp.freemin, uvmexp.freetarg, uvmexp.wiredmax);
for (CPU_INFO_FOREACH(cii, ci)) {
(*pr)(" cpu%u:\n", cpu_index(ci));
(*pr)(" faults=%" PRIu64 ", traps=%" PRIu64 ", "
"intrs=%" PRIu64 ", ctxswitch=%" PRIu64 "\n",
ci->ci_data.cpu_nfault, ci->ci_data.cpu_ntrap,
ci->ci_data.cpu_nintr, ci->ci_data.cpu_nswtch);
(*pr)(" softint=%" PRIu64 ", syscalls=%" PRIu64 "\n",
ci->ci_data.cpu_nsoft, ci->ci_data.cpu_nsyscall);
}
(*pr)(" fault counts:\n");
(*pr)(" noram=%d, noanon=%d, pgwait=%d, pgrele=%d\n",
uvmexp.fltnoram, uvmexp.fltnoanon, uvmexp.fltpgwait,
uvmexp.fltpgrele);
(*pr)(" ok relocks(total)=%d(%d), anget(retrys)=%d(%d), "
"amapcopy=%d\n", uvmexp.fltrelckok, uvmexp.fltrelck,
uvmexp.fltanget, uvmexp.fltanretry, uvmexp.fltamcopy);
(*pr)(" neighbor anon/obj pg=%d/%d, gets(lock/unlock)=%d/%d\n",
uvmexp.fltnamap, uvmexp.fltnomap, uvmexp.fltlget, uvmexp.fltget);
(*pr)(" cases: anon=%d, anoncow=%d, obj=%d, prcopy=%d, przero=%d\n",
uvmexp.flt_anon, uvmexp.flt_acow, uvmexp.flt_obj, uvmexp.flt_prcopy,
uvmexp.flt_przero);
(*pr)(" daemon and swap counts:\n");
(*pr)(" woke=%d, revs=%d, scans=%d, obscans=%d, anscans=%d\n",
uvmexp.pdwoke, uvmexp.pdrevs, uvmexp.pdscans, uvmexp.pdobscan,
uvmexp.pdanscan);
(*pr)(" busy=%d, freed=%d, reactivate=%d, deactivate=%d\n",
uvmexp.pdbusy, uvmexp.pdfreed, uvmexp.pdreact, uvmexp.pddeact);
(*pr)(" pageouts=%d, pending=%d, nswget=%d\n", uvmexp.pdpageouts,
uvmexp.pdpending, uvmexp.nswget);
(*pr)(" nswapdev=%d, swpgavail=%d\n",
uvmexp.nswapdev, uvmexp.swpgavail);
(*pr)(" swpages=%d, swpginuse=%d, swpgonly=%d, paging=%d\n",
uvmexp.swpages, uvmexp.swpginuse, uvmexp.swpgonly, uvmexp.paging);
}
#endif
#if defined(READAHEAD_STATS)
#define UVM_RA_EVCNT_DEFINE(name) \
struct evcnt uvm_ra_##name = \
EVCNT_INITIALIZER(EVCNT_TYPE_MISC, NULL, "readahead", #name); \
EVCNT_ATTACH_STATIC(uvm_ra_##name);
UVM_RA_EVCNT_DEFINE(total);
UVM_RA_EVCNT_DEFINE(hit);
UVM_RA_EVCNT_DEFINE(miss);
#endif /* defined(READAHEAD_STATS) */
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