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/*
* scantest.c - test the speed of the inode scan routine
*/
#include <string.h>
#include <fcntl.h>
#include <ctype.h>
#include <termios.h>
#include <time.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <unistd.h>
#ifdef HAVE_MNTENT_H
#include <mntent.h>
#endif
#include <sys/ioctl.h>
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include <sys/resource.h>
#include "et/com_err.h"
#include "../version.h"
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fs.h"
extern int isatty(int);
const char * device_name = NULL;
/*
* This structure is used for keeping track of how much resources have
* been used for a particular pass of e2fsck.
*/
struct resource_track {
struct timeval time_start;
struct timeval user_start;
struct timeval system_start;
void *brk_start;
};
struct resource_track global_rtrack;
void init_resource_track(struct resource_track *track)
{
struct rusage r;
track->brk_start = sbrk(0);
gettimeofday(&track->time_start, 0);
getrusage(RUSAGE_SELF, &r);
track->user_start = r.ru_utime;
track->system_start = r.ru_stime;
}
static __inline__ float timeval_subtract(struct timeval *tv1,
struct timeval *tv2)
{
return ((tv1->tv_sec - tv2->tv_sec) +
((float) (tv1->tv_usec - tv2->tv_usec)) / 1000000);
}
static void print_resource_track(struct resource_track *track)
{
struct rusage r;
struct timeval time_end;
gettimeofday(&time_end, 0);
getrusage(RUSAGE_SELF, &r);
printf(_("Memory used: %d, elapsed time: %6.3f/%6.3f/%6.3f\n"),
(int) (((char *) sbrk(0)) - ((char *) track->brk_start)),
timeval_subtract(&time_end, &track->time_start),
timeval_subtract(&r.ru_utime, &track->user_start),
timeval_subtract(&r.ru_stime, &track->system_start));
}
int main (int argc, char *argv[])
{
errcode_t retval = 0;
int exit_value = 0;
int i;
ext2_filsys fs;
ext2_inode_scan scan;
ext2_ino_t ino;
struct ext2_inode inode;
printf(_("size of inode=%d\n"), sizeof(inode));
device_name = "/dev/hda3";
init_resource_track(&global_rtrack);
retval = ext2fs_open(device_name, 0,
0, 0, unix_io_manager, &fs);
if (retval) {
com_err(argv[0], retval, _("while trying to open %s"),
device_name);
exit(1);
}
retval = ext2fs_open_inode_scan(fs, 0, &scan);
if (retval) {
com_err(argv[0], retval, _("while opening inode scan"));
exit(1);
}
retval = ext2fs_get_next_inode(scan, &ino, &inode);
if (retval) {
com_err(argv[0], retval, _("while starting inode scan"));
exit(1);
}
while (ino) {
if (!inode.i_links_count)
goto next;
printf("%lu\n", inode.i_blocks);
next:
retval = ext2fs_get_next_inode(scan, &ino, &inode);
if (retval) {
com_err(argv[0], retval,
_("while doing inode scan"));
exit(1);
}
}
ext2fs_close(fs);
print_resource_track(&global_rtrack);
return exit_value;
}
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