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Use -M and -N for core and kernel image respectively.

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This commit is contained in:
Bruce M Simpson 2007-03-20 02:08:28 +00:00
parent 6e141df200
commit aa727a5535
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=167731
2 changed files with 20 additions and 10 deletions
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15
usr.sbin/ifmcstat/ifmcstat.8
View File

@ -29,7 +29,7 @@
.\" .\"
.\" $FreeBSD$ .\" $FreeBSD$
.\" .\"
.Dd March 19, 2007 .Dd March 20, 2007
.Dt IFMCSTAT 8 .Dt IFMCSTAT 8
.Os .Os
.Sh NAME .Sh NAME
@ -39,7 +39,8 @@
.Nm .Nm
.Op Fl i Ar interface .Op Fl i Ar interface
.Op Fl f Ar address-family .Op Fl f Ar address-family
.Op Fl k Ar kernel .Op Fl M Ar core
.Op Fl N Ar system
.Nm .Nm
.Op Ar kernel .Op Ar kernel
.\" .\"
@ -59,13 +60,17 @@ specifies the address-family to be displayed; currently only
and and
.Ar inet6 .Ar inet6
are supported. are supported.
.It Fl k Ar kernel .It Fl M Ar core
extracts values associated with the name list from the specified core,
instead of the default
.Pa /dev/kmem .
.It Fl N Ar system
extracts the name list from the specified kernel instead of the extracts the name list from the specified kernel instead of the
default, which is the kernel image the system has booted from. default, which is the kernel image the system has booted from.
.It Nm Ar kernel .It Nm Ar system
This is the same as specifying This is the same as specifying
.Nm .Nm
.Fl k Ar kernel . .Fl N Ar system .
This usage is deprecated; it is supported only for backwards compatibility. This usage is deprecated; it is supported only for backwards compatibility.
.Sh BUGS .Sh BUGS
.Nm .Nm

15
usr.sbin/ifmcstat/ifmcstat.c
View File

@ -29,7 +29,6 @@
* SUCH DAMAGE. * SUCH DAMAGE.
*/ */
/* TODO: use -M, -N for kernel/namelist. */
/* TODO: use sysctl. */ /* TODO: use sysctl. */
#include <sys/cdefs.h> #include <sys/cdefs.h>
@ -151,12 +150,13 @@ int main(argc, argv)
int c; int c;
struct ifnet *ifp, *nifp, ifnet; struct ifnet *ifp, *nifp, ifnet;
const char *kernel = NULL; const char *kernel = NULL;
const char *core = NULL;
/* "ifmcstat [kernel]" format is supported for backward compatiblity */ /* "ifmcstat [kernel]" format is supported for backward compatiblity */
if (argc == 2) if (argc == 2)
kernel = argv[1]; kernel = argv[1];
while ((c = getopt(argc, argv, "i:f:k:")) != -1) { while ((c = getopt(argc, argv, "i:f:M:N:")) != -1) {
switch (c) { switch (c) {
case 'i': case 'i':
if ((ifindex = if_nametoindex(optarg)) == 0) { if ((ifindex = if_nametoindex(optarg)) == 0) {
@ -176,17 +176,22 @@ int main(argc, argv)
fprintf(stderr, "%s: unknown address family\n", optarg); fprintf(stderr, "%s: unknown address family\n", optarg);
exit(1); exit(1);
/*NOTREACHED*/ /*NOTREACHED*/
case 'k': case 'M':
core = strdup(optarg);
break;
case 'N':
kernel = strdup(optarg); kernel = strdup(optarg);
break; break;
default: default:
fprintf(stderr, "usage: ifmcstat [-i interface] [-f address family] [-k kernel]\n"); fprintf(stderr,
"usage: ifmcstat [-i interface] [-f address family] [-M core] [-N system]\n");
exit(1); exit(1);
/*NOTREACHED*/ /*NOTREACHED*/
} }
} }
if ((kvmd = kvm_openfiles(kernel, NULL, NULL, O_RDONLY, buf)) == NULL) { if ((kvmd = kvm_openfiles(kernel, core, NULL, O_RDONLY, buf)) ==
NULL) {
perror("kvm_openfiles"); perror("kvm_openfiles");
exit(1); exit(1);
} }