sanchayanmaity/minix
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

btrace(8): move to proper location

Browse source 
- move from minix/commands to minix/usr.sbin;
- install into /usr/sbin instead of /usr/bin;
- move manual page into source directory;
- resolve compilation warning;
- convert to KNF.

Change-Id: I08c16998bd499a468799a6587f6fe45f42590461
This commit is contained in:
David van Moolenbroek 2015-09-19 22:31:13 +00:00
parent d8634bad6a
commit 964427e0ea
8 changed files with 233 additions and 223 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
distrib/sets/lists/minix/mi
View file

@ -249,7 +249,7 @@
./usr/bin/bdes minix-sys
./usr/bin/bsdtar minix-sys
./usr/bin/bsfilt minix-sys
./usr/bin/btrace minix-sys
./usr/bin/btrace minix-sys obsolete
./usr/bin/bunzip2 minix-sys
./usr/bin/bzcat minix-sys
./usr/bin/bzip2 minix-sys
@ -5308,6 +5308,7 @@
./usr/preserve minix-sys
./usr/run minix-sys
./usr/sbin minix-sys
./usr/sbin/btrace minix-sys
./usr/sbin/chown minix-sys
./usr/sbin/chroot minix-sys
./usr/sbin/group minix-sys

2
minix/commands/Makefile
View file

@ -2,7 +2,7 @@
.include <bsd.own.mk>
SUBDIR= add_route arp at backup btrace \
SUBDIR= add_route arp at backup \
cawf cdprobe \
ci cleantmp co \
compress crc cron crontab \

219
minix/commands/btrace/btrace.c
View file

@ -1,219 +0,0 @@
/* Block trace command line tool */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <minix/btrace.h>
#include <minix/u64.h>
#include <sys/ioc_block.h>
static btrace_entry buf[BTBUF_SIZE];
static void usage(char *name)
{
printf("usage:\n"
"%s start <device> <nr_entries>\n"
"%s stop <device> <file>\n"
"%s reset <device>\n"
"%s dump <file>\n",
name, name, name, name);
exit(EXIT_FAILURE);
}
static void btrace_start(char *device, int nr_entries)
{
int r, ctl, devfd;
size_t size;
if ((devfd = open(device, O_RDONLY)) < 0) {
perror("device open");
exit(EXIT_FAILURE);
}
size = nr_entries;
if ((r = ioctl(devfd, BIOCTRACEBUF, &size)) < 0) {
perror("ioctl(BIOCTRACEBUF)");
exit(EXIT_FAILURE);
}
ctl = BTCTL_START;
if ((r = ioctl(devfd, BIOCTRACECTL, &ctl)) < 0) {
perror("ioctl(BIOCTRACECTL)");
size = 0;
(void) ioctl(devfd, BIOCTRACEBUF, &size);
exit(EXIT_FAILURE);
}
close(devfd);
}
static void btrace_stop(char *device, char *file)
{
int r, ctl, devfd, outfd;
size_t size;
if ((devfd = open(device, O_RDONLY)) < 0) {
perror("device open");
exit(EXIT_FAILURE);
}
if ((outfd = open(file, O_CREAT|O_TRUNC|O_WRONLY, 0600)) < 0) {
perror("file open");
exit(EXIT_FAILURE);
}
ctl = BTCTL_STOP;
if ((r = ioctl(devfd, BIOCTRACECTL, &ctl)) < 0) {
perror("ioctl(BIOCTRACECTL)");
exit(EXIT_FAILURE);
}
for (;;) {
if ((r = ioctl(devfd, BIOCTRACEGET, buf)) < 0) {
perror("ioctl(BIOCTRACEGET)");
break;
}
if (r == 0) break;
size = r * sizeof(buf[0]);
if ((r = write(outfd, (char *) buf, size)) != size) {
if (r < 0) perror("write");
else fputs("short write\n", stderr);
}
}
close(outfd);
size = 0;
if ((r = ioctl(devfd, BIOCTRACEBUF, &size)) < 0) {
perror("ioctl(BIOCTRACEBUF)");
exit(EXIT_FAILURE);
}
close(devfd);
}
static void btrace_reset(char *device)
{
size_t size;
int r, ctl, devfd;
if ((devfd = open(device, O_RDONLY)) < 0) {
perror("device open");
exit(EXIT_FAILURE);
}
ctl = BTCTL_STOP;
(void) ioctl(devfd, BIOCTRACECTL, &ctl);
size = 0;
if ((r = ioctl(devfd, BIOCTRACEBUF, &size)) < 0) {
perror("ioctl(BIOCTRACEBUF)");
exit(EXIT_FAILURE);
}
close(devfd);
}
static void dump_entry(btrace_entry *entry)
{
switch (entry->request) {
case BTREQ_OPEN: printf("OPEN"); break;
case BTREQ_CLOSE: printf("CLOSE"); break;
case BTREQ_READ: printf("READ"); break;
case BTREQ_WRITE: printf("WRITE"); break;
case BTREQ_GATHER: printf("GATHER"); break;
case BTREQ_SCATTER: printf("SCATTER"); break;
case BTREQ_IOCTL: printf("IOCTL"); break;
}
printf(" request\n");
switch (entry->request) {
case BTREQ_OPEN:
printf("- access:\t%x\n", entry->size);
break;
case BTREQ_READ:
case BTREQ_WRITE:
case BTREQ_GATHER:
case BTREQ_SCATTER:
printf("- position:\t%08lx%08lx\n",
ex64hi(entry->position), ex64lo(entry->position));
printf("- size:\t\t%u\n", entry->size);
printf("- flags:\t%x\n", entry->flags);
break;
case BTREQ_IOCTL:
printf("- request:\t%08x\n", entry->size);
break;
}
printf("- start:\t%u us\n", entry->start_time);
printf("- finish:\t%u us\n", entry->finish_time);
if (entry->result == BTRES_INPROGRESS)
printf("- result:\t(in progress)\n");
else
printf("- result:\t%d\n", entry->result);
printf("\n");
}
static void btrace_dump(char *file)
{
int i, r, infd;
if ((infd = open(file, O_RDONLY)) < 0) {
perror("open");
exit(EXIT_FAILURE);
}
for (;;) {
if ((r = read(infd, (char *) buf, sizeof(buf))) <= 0)
break;
r /= sizeof(buf[0]);
for (i = 0; i < r; i++)
dump_entry(&buf[i]);
}
if (r < 0) perror("read");
close(infd);
}
int main(int argc, char **argv)
{
int num;
char *name = argv[0];
if (argc < 3) usage(name);
if (!strcmp(argv[1], "start")) {
if (argc < 4) usage(name);
num = atoi(argv[3]);
if (num <= 0) usage(name);
btrace_start(argv[2], num);
}
else if (!strcmp(argv[1], "stop")) {
if (argc < 4) usage(name);
btrace_stop(argv[2], argv[3]);
}
else if (!strcmp(argv[1], "reset")) {
btrace_reset(argv[2]);
}
else if (!strcmp(argv[1], "dump")) {
btrace_dump(argv[2]);
}
else usage(name);
return EXIT_SUCCESS;
}

2
minix/man/man8/Makefile
View file

@ -1,4 +1,4 @@
MAN= add_route.8 backup.8 boot.8 btrace.8 \
MAN= add_route.8 backup.8 boot.8 \
cdprobe.8 cleantmp.8 config.8 cron.8 \
dhcpd.8 diskctl.8 fbdctl.8 fdisk.8 \
getty.8 halt.8 hgfs.8 httpd.8 ifconfig.8 inet.8 init.8 \

1
minix/usr.sbin/Makefile
View file

@ -1,5 +1,6 @@
.include <bsd.own.mk>
SUBDIR+= btrace
SUBDIR+= mkfs.mfs
SUBDIR+= mkproto

2
minix/commands/btrace/Makefile → minix/usr.sbin/btrace/Makefile
View file

@ -1,4 +1,4 @@
PROG= btrace
MAN=
MAN= btrace.8
.include <bsd.prog.mk>

0
minix/man/man8/btrace.8 → minix/usr.sbin/btrace/btrace.8
View file

227
minix/usr.sbin/btrace/btrace.c Normal file
View file

@ -0,0 +1,227 @@
/* Block trace command line tool - by D.C. van Moolenbroek */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <minix/btrace.h>
#include <minix/u64.h>
#include <sys/ioctl.h>
static btrace_entry buf[BTBUF_SIZE];
static void __dead
usage(void)
{
fprintf(stderr, "usage:\n"
"%s start <device> <nr_entries>\n"
"%s stop <device> <file>\n"
"%s reset <device>\n"
"%s dump <file>\n",
getprogname(), getprogname(), getprogname(), getprogname());
exit(EXIT_FAILURE);
}
static void
btrace_start(char * device, int nr_entries)
{
int r, ctl, devfd;
size_t size;
if ((devfd = open(device, O_RDONLY)) < 0) {
perror("device open");
exit(EXIT_FAILURE);
}
size = nr_entries;
if ((r = ioctl(devfd, BIOCTRACEBUF, &size)) < 0) {
perror("ioctl(BIOCTRACEBUF)");
exit(EXIT_FAILURE);
}
ctl = BTCTL_START;
if ((r = ioctl(devfd, BIOCTRACECTL, &ctl)) < 0) {
perror("ioctl(BIOCTRACECTL)");
size = 0;
(void)ioctl(devfd, BIOCTRACEBUF, &size);
exit(EXIT_FAILURE);
}
close(devfd);
}
static void
btrace_stop(char * device, char * file)
{
int r, ctl, devfd, outfd;
size_t size;
if ((devfd = open(device, O_RDONLY)) < 0) {
perror("device open");
exit(EXIT_FAILURE);
}
if ((outfd = open(file, O_CREAT | O_TRUNC | O_WRONLY, 0600)) < 0) {
perror("file open");
exit(EXIT_FAILURE);
}
ctl = BTCTL_STOP;
if ((r = ioctl(devfd, BIOCTRACECTL, &ctl)) < 0) {
perror("ioctl(BIOCTRACECTL)");
exit(EXIT_FAILURE);
}
for (;;) {
if ((r = ioctl(devfd, BIOCTRACEGET, buf)) < 0) {
perror("ioctl(BIOCTRACEGET)");
break;
}
if (r == 0) break;
size = r * sizeof(buf[0]);
if ((r = write(outfd, (char *)buf, size)) != size) {
if (r < 0) perror("write");
else fputs("short write\n", stderr);
}
}
close(outfd);
size = 0;
if ((r = ioctl(devfd, BIOCTRACEBUF, &size)) < 0) {
perror("ioctl(BIOCTRACEBUF)");
exit(EXIT_FAILURE);
}
close(devfd);
}
static void
btrace_reset(char * device)
{
size_t size;
int r, ctl, devfd;
if ((devfd = open(device, O_RDONLY)) < 0) {
perror("device open");
exit(EXIT_FAILURE);
}
ctl = BTCTL_STOP;
(void)ioctl(devfd, BIOCTRACECTL, &ctl);
size = 0;
if ((r = ioctl(devfd, BIOCTRACEBUF, &size)) < 0) {
perror("ioctl(BIOCTRACEBUF)");
exit(EXIT_FAILURE);
}
close(devfd);
}
static void
dump_entry(btrace_entry * entry)
{
switch (entry->request) {
case BTREQ_OPEN: printf("OPEN"); break;
case BTREQ_CLOSE: printf("CLOSE"); break;
case BTREQ_READ: printf("READ"); break;
case BTREQ_WRITE: printf("WRITE"); break;
case BTREQ_GATHER: printf("GATHER"); break;
case BTREQ_SCATTER: printf("SCATTER"); break;
case BTREQ_IOCTL: printf("IOCTL"); break;
}
printf(" request\n");
switch (entry->request) {
case BTREQ_OPEN:
printf("- access:\t%x\n", entry->size);
break;
case BTREQ_READ:
case BTREQ_WRITE:
case BTREQ_GATHER:
case BTREQ_SCATTER:
printf("- position:\t%08lx%08lx\n",
ex64hi(entry->position), ex64lo(entry->position));
printf("- size:\t\t%u\n", entry->size);
printf("- flags:\t%x\n", entry->flags);
break;
case BTREQ_IOCTL:
printf("- request:\t%08x\n", entry->size);
break;
}
printf("- start:\t%u us\n", entry->start_time);
printf("- finish:\t%u us\n", entry->finish_time);
if (entry->result == BTRES_INPROGRESS)
printf("- result:\t(in progress)\n");
else
printf("- result:\t%d\n", entry->result);
printf("\n");
}
static void
btrace_dump(char * file)
{
int i, r, infd;
if ((infd = open(file, O_RDONLY)) < 0) {
perror("open");
exit(EXIT_FAILURE);
}
for (;;) {
if ((r = read(infd, (char *)buf, sizeof(buf))) <= 0)
break;
r /= sizeof(buf[0]);
for (i = 0; i < r; i++)
dump_entry(&buf[i]);
}
if (r < 0) perror("read");
close(infd);
}
int main(int argc, char ** argv)
{
int num;
setprogname(argv[0]);
if (argc < 3) usage();
if (!strcmp(argv[1], "start")) {
if (argc < 4) usage();
num = atoi(argv[3]);
if (num <= 0) usage();
btrace_start(argv[2], num);
} else if (!strcmp(argv[1], "stop")) {
if (argc < 4) usage();
btrace_stop(argv[2], argv[3]);
} else if (!strcmp(argv[1], "reset")) {
btrace_reset(argv[2]);
} else if (!strcmp(argv[1], "dump")) {
btrace_dump(argv[2]);
} else
usage();
return EXIT_SUCCESS;
}