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Add "kldstat -h"; showing module sizes in hex is rather weird.

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Reviewed by:	emaste@ (earlier version)
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D4969
This commit is contained in:
Edward Tomasz Napierala 2016-01-23 12:10:16 +00:00
parent e07528700a
commit 1b18fc10b3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=294624
3 changed files with 35 additions and 12 deletions
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2
sbin/kldstat/Makefile
View File

@ -29,4 +29,6 @@
PROG= kldstat
MAN= kldstat.8
LIBADD= util
.include <bsd.prog.mk>

6
sbin/kldstat/kldstat.8
View File

@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd January 22, 2014
.Dd January 19, 2016
.Dt KLDSTAT 8
.Os
.Sh NAME
@ -33,6 +33,7 @@
.Nd display status of dynamic kernel linker
.Sh SYNOPSIS
.Nm
.Op Fl h
.Op Fl q
.Op Fl v
.Op Fl i Ar id
@ -48,6 +49,9 @@ kernel.
.Pp
The following options are available:
.Bl -tag -width indentXX
.It Fl h
Display the size field in a human-readable form, using unit suffixes
instead of hex values.
.It Fl v
Be more verbose.
.It Fl i Ar id

39
sbin/kldstat/kldstat.c
View File

@ -28,6 +28,7 @@
__FBSDID("$FreeBSD$");
#include <err.h>
#include <libutil.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
@ -51,18 +52,27 @@ printmod(int modid)
}
static void
printfile(int fileid, int verbose)
printfile(int fileid, int verbose, int humanized)
{
struct kld_file_stat stat;
int modid;
char buf[5];
stat.version = sizeof(struct kld_file_stat);
if (kldstat(fileid, &stat) < 0)
if (kldstat(fileid, &stat) < 0) {
err(1, "can't stat file id %d", fileid);
else
printf("%2d %4d %p %-8zx %s",
stat.id, stat.refs, stat.address, stat.size,
stat.name);
} else {
if (humanized) {
humanize_number(buf, sizeof(buf), stat.size,
"", HN_AUTOSCALE, HN_DECIMAL | HN_NOSPACE);
printf("%2d %4d %p %5s %s",
stat.id, stat.refs, stat.address, buf, stat.name);
} else {
printf("%2d %4d %p %-8zx %s",
stat.id, stat.refs, stat.address, stat.size, stat.name);
}
}
if (verbose) {
printf(" (%s)\n", stat.pathname);
@ -78,7 +88,7 @@ printfile(int fileid, int verbose)
static void
usage(void)
{
fprintf(stderr, "usage: kldstat [-q] [-v] [-i id] [-n filename]\n");
fprintf(stderr, "usage: kldstat [-h] [-q] [-v] [-i id] [-n filename]\n");
fprintf(stderr, " kldstat [-q] [-m modname]\n");
exit(1);
}
@ -87,6 +97,7 @@ int
main(int argc, char** argv)
{
int c;
int humanized = 0;
int verbose = 0;
int fileid = 0;
int quiet = 0;
@ -94,8 +105,11 @@ main(int argc, char** argv)
char* modname = NULL;
char* p;
while ((c = getopt(argc, argv, "i:m:n:qv")) != -1)
while ((c = getopt(argc, argv, "hi:m:n:qv")) != -1)
switch (c) {
case 'h':
humanized = 1;
break;
case 'i':
fileid = (int)strtoul(optarg, &p, 10);
if (*p != '\0')
@ -155,12 +169,15 @@ main(int argc, char** argv)
}
}
printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' ');
if (humanized)
printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' ');
else
printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' ');
if (fileid != 0)
printfile(fileid, verbose);
printfile(fileid, verbose, humanized);
else
for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid))
printfile(fileid, verbose);
printfile(fileid, verbose, humanized);
return 0;
}