freebsd-skq/usr.bin/procstat/procstat_vm.c
David Malone 97ce0ae60f WARNS fixes: mainly constness and avoid comparing signed with
unsigned by making array indicies unsigned. Also note one or two
unused parameters.
2008-02-08 11:03:05 +00:00

132 lines
3.8 KiB
C

/*-
* Copyright (c) 2007 Robert N. M. Watson
* 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 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include "procstat.h"
void
procstat_vm(pid_t pid, struct kinfo_proc *kipp __unused)
{
struct kinfo_vmentry *freep, *kve;
int error, name[4], ptrwidth;
unsigned int i;
const char *str;
size_t len;
ptrwidth = 2*sizeof(void *) + 2;
if (!hflag)
printf("%5s %*s %*s %3s %4s %4s %3s %3s %2s %-2s %-s\n",
"PID", ptrwidth, "START", ptrwidth, "END", "PRT", "RES",
"PRES", "REF", "SHD", "FL", "TP", "PATH");
name[0] = CTL_KERN;
name[1] = KERN_PROC;
name[2] = KERN_PROC_VMMAP;
name[3] = pid;
len = 0;
error = sysctl(name, 4, NULL, &len, NULL, 0);
if (error < 0 && errno != ESRCH && errno != EPERM) {
warn("sysctl: kern.proc.vmmap: %d", pid);
return;
}
if (error < 0)
return;
/*
* Especially if running procstat -sv, we may need room for more
* mappings when printing than were present when we queried, so pad
* out the allocation a bit.
*/
len += sizeof(*kve) * 3;
freep = kve = malloc(len);
if (kve == NULL)
err(-1, "malloc");
if (sysctl(name, 4, kve, &len, NULL, 0) < 0) {
warn("sysctl: kern.proc.vmmap: %d", pid);
free(freep);
return;
}
for (i = 0; i < (len / sizeof(*kve)); i++, kve++) {
if (kve->kve_structsize != sizeof(*kve))
errx(-1, "kinfo_vmentry structure mismatch");
printf("%5d ", pid);
printf("%*p ", ptrwidth, kve->kve_start);
printf("%*p ", ptrwidth, kve->kve_end);
printf("%s", kve->kve_protection & KVME_PROT_READ ? "r" : "-");
printf("%s", kve->kve_protection & KVME_PROT_WRITE ? "w" : "-");
printf("%s ", kve->kve_protection & KVME_PROT_EXEC ? "x" : "-");
printf("%4d ", kve->kve_resident);
printf("%4d ", kve->kve_private_resident);
printf("%3d ", kve->kve_ref_count);
printf("%3d ", kve->kve_shadow_count);
printf("%-1s", kve->kve_flags & KVME_FLAG_COW ? "C" : "-");
printf("%-1s ", kve->kve_flags & KVME_FLAG_NEEDS_COPY ? "N" :
"-");
switch (kve->kve_type) {
case KVME_TYPE_NONE:
str = "--";
break;
case KVME_TYPE_DEFAULT:
str = "df";
break;
case KVME_TYPE_VNODE:
str = "vn";
break;
case KVME_TYPE_SWAP:
str = "sw";
break;
case KVME_TYPE_DEVICE:
str = "dv";
break;
case KVME_TYPE_PHYS:
str = "ph";
break;
case KVME_TYPE_DEAD:
str = "dd";
break;
case KVME_TYPE_UNKNOWN:
default:
str = "??";
break;
}
printf("%-2s ", str);
printf("%-s\n", kve->kve_path);
}
free(freep);
}