diff options
Diffstat (limited to 'bin/ps/nlist.c')
| -rw-r--r-- | bin/ps/nlist.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/bin/ps/nlist.c b/bin/ps/nlist.c deleted file mode 100644 index 42471ea..0000000 --- a/bin/ps/nlist.c +++ /dev/null @@ -1,234 +0,0 @@ -/* $NetBSD: nlist.c,v 1.27 2016/11/28 08:19:23 rin Exp $ */ - -/* - * Copyright (c) 2000 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Simon Burge. - * - * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS - * ``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 FOUNDATION OR CONTRIBUTORS - * 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. - */ - -/* - * Copyright (c) 1990, 1993, 1994 - * The Regents of the University of California. 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. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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. - */ - -#include <sys/cdefs.h> -#ifndef lint -#if 0 -static char sccsid[] = "@(#)nlist.c 8.4 (Berkeley) 4/2/94"; -#else -__RCSID("$NetBSD: nlist.c,v 1.27 2016/11/28 08:19:23 rin Exp $"); -#endif -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/time.h> -#include <sys/lwp.h> -#include <sys/proc.h> -#include <sys/resource.h> -#include <sys/sysctl.h> - -#include <err.h> -#include <errno.h> -#include <kvm.h> -#include <math.h> -#include <nlist.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -#include "ps.h" - -struct nlist psnl[] = { - { .n_name = "_fscale" }, -#define X_FSCALE 0 - { .n_name = "_ccpu" }, -#define X_CCPU 1 - { .n_name = "_physmem" }, -#define X_PHYSMEM 2 - { .n_name = "_maxslp" }, -#define X_MAXSLP 3 - { .n_name = NULL } -}; - -double log_ccpu; /* log of kernel _ccpu variable */ -int nlistread; /* if nlist already read. */ -int mempages; /* number of pages of phys. memory */ -int fscale; /* kernel _fscale variable */ -int maxslp; /* kernel _maxslp variable */ -int uspace; /* kernel USPACE value */ - -/* XXX Hopefully reasonable default */ -#define MEMPAGES 0 -#ifndef FSCALE -#define FSCALE (1 << 8) -#endif -#define LOG_CCPU (-1.0 / 20.0) -#ifndef MAXSLP -#define MAXSLP 20 -#endif -#ifndef USPACE -#define USPACE (getpagesize()) -#endif - -#define kread(x, v) \ - kvm_read(kd, psnl[x].n_value, (char *)&v, sizeof v) != sizeof(v) - -void -donlist(void) -{ - fixpt_t xccpu; - - nlistread = 1; - - if (kvm_nlist(kd, psnl)) { - nlisterr(psnl); - eval = 1; - fscale = FSCALE; - mempages = MEMPAGES; - log_ccpu = LOG_CCPU; - maxslp = MAXSLP; - return; - } - - if (kread(X_FSCALE, fscale)) { - warnx("fscale: %s", kvm_geterr(kd)); - eval = 1; - fscale = FSCALE; - } - - if (kread(X_PHYSMEM, mempages)) { - warnx("avail_start: %s", kvm_geterr(kd)); - eval = 1; - mempages = MEMPAGES; - } - - if (kread(X_CCPU, xccpu)) { - warnx("ccpu: %s", kvm_geterr(kd)); - eval = 1; - log_ccpu = LOG_CCPU; - } else - log_ccpu = log((double)xccpu / fscale); - - if (kread(X_MAXSLP, maxslp)) { - warnx("maxslp: %s", kvm_geterr(kd)); - eval = 1; - maxslp = MAXSLP; - } -} - -void -donlist_sysctl(void) -{ - int mib[2]; - size_t size; - fixpt_t xccpu; - uint64_t memsize; - - nlistread = 1; - - mib[0] = CTL_KERN; - mib[1] = KERN_FSCALE; - size = sizeof(fscale); - if (sysctl(mib, 2, &fscale, &size, NULL, 0)) { - warn("fscale"); - eval = 1; - fscale = FSCALE; - } - - mib[0] = CTL_HW; - mib[1] = HW_PHYSMEM64; - size = sizeof(memsize); - if (sysctl(mib, 2, &memsize, &size, NULL, 0)) { - warn("avail_start"); - eval = 1; - mempages = MEMPAGES; - } else - mempages = memsize / getpagesize(); - - mib[0] = CTL_KERN; - mib[1] = KERN_CCPU; - size = sizeof(xccpu); - if (sysctl(mib, 2, &xccpu, &size, NULL, 0)) { - warn("ccpu"); - eval = 1; - log_ccpu = LOG_CCPU; - } else - log_ccpu = log((double)xccpu / fscale); - - mib[0] = CTL_VM; - mib[1] = VM_MAXSLP; - size = sizeof(maxslp); - if (sysctl(mib, 2, &maxslp, &size, NULL, 0)) { - warn("maxslp"); - eval = 1; - maxslp = MAXSLP; - } - - mib[0] = CTL_VM; - mib[1] = VM_USPACE; - size = sizeof(uspace); - if (sysctl(mib, 2, &uspace, &size, NULL, 0)) { - warn("uspace"); - eval = 1; - uspace = USPACE; - } -} - -void -nlisterr(struct nlist nl[]) -{ - int i; - - (void)fprintf(stderr, "ps: nlist: can't find following symbols:"); - for (i = 0; nl[i].n_name != NULL; i++) - if (nl[i].n_value == 0) - (void)fprintf(stderr, " %s", nl[i].n_name); - (void)fprintf(stderr, "\n"); -} |