# strace -f -o /root/strace bonnie++  -u nobody
Using uid:65534, gid:65534.
Writing a byte at a time...done
Writing intelligently...Can't write block.: No such file or directory
Can't write block 2424863.
zsh: exit 1     strace -f -o /root/strace bonnie++ -u nobody

# tail -n 12 strace
20189 write(3, ")))))))))))))))))))))))))))))))("..., 8192) = 8192
20189 write(3, "))))))))))))))))))))))))))))))))"..., 8192) = 4096
20189 write(2, "Can't write block.: No such file"..., 46) = 46
20189 write(2, "Can't write block 2424863.\n", 27) = 27
20189 fsync(3)                          = 0
20189 close(3)                          = 0
20189 unlink("./Bonnie.20189")          = 0
20189 close(4294967295)                 = -1 EBADF (Bad file descriptor)
20189 close(4294967295)                 = -1 EBADF (Bad file descriptor)
20189 close(4294967295)                 = -1 EBADF (Bad file descriptor)
20189 close(4294967295)                 = -1 EBADF (Bad file descriptor)
20189 exit_group(1)                     = ?