Starting test for ext4 + 1664741696.175474127 fs=ext4 + 1664741696.177552743 mkfs.ext4 -F /mnt/testarea/loopdev_test.img mke2fs 1.46.5 (30-Dec-2021) Discarding device blocks: 0/131072 done Creating filesystem with 131072 4k blocks and 32768 inodes Filesystem UUID: 560f7b05-a1f0-4b6d-ab1e-ebd51c7b10e3 Superblock backups stored on blocks: 32768, 98304 Allocating group tables: 0/4 done Writing inode tables: 0/4 done Creating journal (4096 blocks): done Writing superblocks and filesystem accounting information: 0/4 done + 1664741696.190702479 '[' 0 -ne 0 ']' + 1664741696.192541719 mkdir -p /mnt/loopsanity + 1664741696.195825501 mount -o loop /mnt/testarea/loopdev_test.img /mnt/loopsanity + 1664741696.213288742 '[' 0 -ne 0 ']' + 1664741696.215383212 ./iozone -f /mnt/loopsanity/testfile -B -s 32535 -m Iozone: Performance Test of File I/O Version $Revision: 3.489 $ Compiled for 64 bit mode. Build: linux Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins Al Slater, Scott Rhine, Mike Wisner, Ken Goss Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR, Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner, Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone, Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root, Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer, Vangel Bojaxhi, Ben England, Vikentsi Lapa, Alexey Skidanov, Sudhir Kumar. Run began: Sun Oct 2 16:14:56 2022 Using mmap files File size set to 32535 kB Multi_buffer. Work area 16777216 bytes Command line used: ./iozone -f /mnt/loopsanity/testfile -B -s 32535 -m Output is in kBytes/sec Time Resolution = 0.000001 seconds. Processor cache size set to 1024 kBytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. random random bkwd record stride kB reclen write rewrite read reread read write read rewrite read 32535 4 491322 1435538 3474833 3527201 3375380 1360710 1997533 9867019 3666822 iozone test complete. + 1664741696.781831144 '[' 0 -ne 0 ']' + 1664741696.783801154 umount /mnt/loopsanity + 1664741696.808587748 '[' 0 -ne 0 ']' + 1664741696.810605343 return 0 ext4 PASSed