8169e46991
rename "UVMHIST" option to enable the uvm histories. TODO: - make UVMHIST properly depend upon KERNHIST - enable dynamic registration of histories. this is mostly just allocating something in a bitmap, and is only for viewing multiple histories in a merged form. tested on amd64 and sparc64.
124 lines
4.6 KiB
C
124 lines
4.6 KiB
C
/* $NetBSD: uvm_stat.c,v 1.37 2011/05/17 04:18:07 mrg Exp $ */
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/*
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* Copyright (c) 1997 Charles D. Cranor and Washington University.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* from: Id: uvm_stat.c,v 1.1.2.3 1997/12/19 15:01:00 mrg Exp
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*/
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/*
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* uvm_stat.c
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: uvm_stat.c,v 1.37 2011/05/17 04:18:07 mrg Exp $");
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#include "opt_readahead.h"
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#include "opt_ddb.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/cpu.h>
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#include <uvm/uvm.h>
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#include <uvm/uvm_ddb.h>
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#ifdef DDB
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/*
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* uvmexp_print: ddb hook to print interesting uvm counters
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*/
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void
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uvmexp_print(void (*pr)(const char *, ...)
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__attribute__((__format__(__printf__,1,2))))
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{
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int active, inactive;
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CPU_INFO_ITERATOR cii;
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struct cpu_info *ci;
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uvm_estimatepageable(&active, &inactive);
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(*pr)("Current UVM status:\n");
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(*pr)(" pagesize=%d (0x%x), pagemask=0x%x, pageshift=%d\n, ncolors=%d",
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uvmexp.pagesize, uvmexp.pagesize, uvmexp.pagemask,
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uvmexp.pageshift, uvmexp.ncolors);
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(*pr)(" %d VM pages: %d active, %d inactive, %d wired, %d free\n",
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uvmexp.npages, active, inactive, uvmexp.wired,
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uvmexp.free);
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(*pr)(" pages %d anon, %d file, %d exec\n",
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uvmexp.anonpages, uvmexp.filepages, uvmexp.execpages);
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(*pr)(" freemin=%d, free-target=%d, wired-max=%d\n",
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uvmexp.freemin, uvmexp.freetarg, uvmexp.wiredmax);
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for (CPU_INFO_FOREACH(cii, ci)) {
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(*pr)(" cpu%u:\n", cpu_index(ci));
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(*pr)(" faults=%" PRIu64 ", traps=%" PRIu64 ", "
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"intrs=%" PRIu64 ", ctxswitch=%" PRIu64 "\n",
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ci->ci_data.cpu_nfault, ci->ci_data.cpu_ntrap,
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ci->ci_data.cpu_nintr, ci->ci_data.cpu_nswtch);
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(*pr)(" softint=%" PRIu64 ", syscalls=%" PRIu64 "\n",
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ci->ci_data.cpu_nsoft, ci->ci_data.cpu_nsyscall);
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}
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(*pr)(" fault counts:\n");
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(*pr)(" noram=%d, noanon=%d, pgwait=%d, pgrele=%d\n",
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uvmexp.fltnoram, uvmexp.fltnoanon, uvmexp.fltpgwait,
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uvmexp.fltpgrele);
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(*pr)(" ok relocks(total)=%d(%d), anget(retrys)=%d(%d), "
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"amapcopy=%d\n", uvmexp.fltrelckok, uvmexp.fltrelck,
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uvmexp.fltanget, uvmexp.fltanretry, uvmexp.fltamcopy);
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(*pr)(" neighbor anon/obj pg=%d/%d, gets(lock/unlock)=%d/%d\n",
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uvmexp.fltnamap, uvmexp.fltnomap, uvmexp.fltlget, uvmexp.fltget);
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(*pr)(" cases: anon=%d, anoncow=%d, obj=%d, prcopy=%d, przero=%d\n",
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uvmexp.flt_anon, uvmexp.flt_acow, uvmexp.flt_obj, uvmexp.flt_prcopy,
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uvmexp.flt_przero);
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(*pr)(" daemon and swap counts:\n");
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(*pr)(" woke=%d, revs=%d, scans=%d, obscans=%d, anscans=%d\n",
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uvmexp.pdwoke, uvmexp.pdrevs, uvmexp.pdscans, uvmexp.pdobscan,
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uvmexp.pdanscan);
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(*pr)(" busy=%d, freed=%d, reactivate=%d, deactivate=%d\n",
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uvmexp.pdbusy, uvmexp.pdfreed, uvmexp.pdreact, uvmexp.pddeact);
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(*pr)(" pageouts=%d, pending=%d, nswget=%d\n", uvmexp.pdpageouts,
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uvmexp.pdpending, uvmexp.nswget);
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(*pr)(" nswapdev=%d, swpgavail=%d\n",
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uvmexp.nswapdev, uvmexp.swpgavail);
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(*pr)(" swpages=%d, swpginuse=%d, swpgonly=%d, paging=%d\n",
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uvmexp.swpages, uvmexp.swpginuse, uvmexp.swpgonly, uvmexp.paging);
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}
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#endif
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#if defined(READAHEAD_STATS)
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#define UVM_RA_EVCNT_DEFINE(name) \
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struct evcnt uvm_ra_##name = \
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EVCNT_INITIALIZER(EVCNT_TYPE_MISC, NULL, "readahead", #name); \
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EVCNT_ATTACH_STATIC(uvm_ra_##name);
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UVM_RA_EVCNT_DEFINE(total);
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UVM_RA_EVCNT_DEFINE(hit);
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UVM_RA_EVCNT_DEFINE(miss);
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#endif /* defined(READAHEAD_STATS) */
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