Starting test for ext4 + 1675389599.725300920 fs=ext4 + 1675389599.726794877 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: 62c559f6-bc73-464a-b46f-44076df1afa9 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 + 1675389599.797828431 '[' 0 -ne 0 ']' + 1675389599.799314451 mkdir -p /mnt/loopsanity + 1675389599.806170067 mount -o loop /mnt/testarea/loopdev_test.img /mnt/loopsanity + 1675389599.822759551 '[' 0 -ne 0 ']' + 1675389599.825151487 ./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: Thu Feb 2 20:59:59 2023 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 1593997 6277618 9239632 6057994 3511678 3179163 5405893 17923628 8094599 iozone test complete. + 1675389601.259486329 '[' 0 -ne 0 ']' + 1675389601.266017472 umount /mnt/loopsanity + 1675389601.361256390 '[' 0 -ne 0 ']' + 1675389601.363292663 return 0 ext4 PASSed