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142 lines
2.9 KiB
142 lines
2.9 KiB
/*
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* scantest.c - test the speed of the inode scan routine
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*/
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#include "config.h"
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#include <string.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include <termios.h>
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#include <time.h>
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#ifdef HAVE_GETOPT_H
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#include <getopt.h>
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#endif
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#include <unistd.h>
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#include <sys/ioctl.h>
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#include <sys/resource.h>
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#include "et/com_err.h"
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#include "../version.h"
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include "ext2fs/ext2_fs.h"
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#include "ext2fs/ext2fs.h"
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extern int isatty(int);
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const char * device_name = NULL;
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/*
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* This structure is used for keeping track of how much resources have
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* been used for a particular pass of e2fsck.
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*/
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struct resource_track {
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struct timeval time_start;
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struct timeval user_start;
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struct timeval system_start;
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void *brk_start;
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};
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struct resource_track global_rtrack;
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void init_resource_track(struct resource_track *track)
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{
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struct rusage r;
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track->brk_start = sbrk(0);
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gettimeofday(&track->time_start, 0);
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getrusage(RUSAGE_SELF, &r);
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track->user_start = r.ru_utime;
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track->system_start = r.ru_stime;
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}
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static __inline__ float timeval_subtract(struct timeval *tv1,
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struct timeval *tv2)
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{
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return ((tv1->tv_sec - tv2->tv_sec) +
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((float) (tv1->tv_usec - tv2->tv_usec)) / 1000000);
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}
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static void print_resource_track(struct resource_track *track)
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{
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struct rusage r;
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struct timeval time_end;
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gettimeofday(&time_end, 0);
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getrusage(RUSAGE_SELF, &r);
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printf(_("Memory used: %d, elapsed time: %6.3f/%6.3f/%6.3f\n"),
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(int) (((char *) sbrk(0)) - ((char *) track->brk_start)),
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timeval_subtract(&time_end, &track->time_start),
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timeval_subtract(&r.ru_utime, &track->user_start),
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timeval_subtract(&r.ru_stime, &track->system_start));
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}
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int main (int argc, char *argv[])
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{
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errcode_t retval = 0;
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int exit_value = 0;
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int i;
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ext2_filsys fs;
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ext2_inode_scan scan;
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ext2_ino_t ino;
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struct ext2_inode inode;
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printf(_("size of inode=%d\n"), sizeof(inode));
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device_name = "/dev/hda3";
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init_resource_track(&global_rtrack);
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retval = ext2fs_open(device_name, 0,
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0, 0, unix_io_manager, &fs);
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if (retval) {
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com_err(argv[0], retval, _("while trying to open %s"),
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device_name);
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exit(1);
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}
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retval = ext2fs_open_inode_scan(fs, 0, &scan);
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if (retval) {
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com_err(argv[0], retval, _("while opening inode scan"));
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exit(1);
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}
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retval = ext2fs_get_next_inode(scan, &ino, &inode);
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if (retval) {
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com_err(argv[0], retval, _("while starting inode scan"));
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exit(1);
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}
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while (ino) {
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if (!inode.i_links_count)
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goto next;
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printf("%lu\n", inode.i_blocks);
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next:
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retval = ext2fs_get_next_inode(scan, &ino, &inode);
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if (retval) {
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com_err(argv[0], retval,
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_("while doing inode scan"));
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exit(1);
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}
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}
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ext2fs_close_free(&fs);
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print_resource_track(&global_rtrack);
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return exit_value;
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}
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