DF-2717 storm: 150s, 3 readers, mode=0xf (1=fchdir-swap 2=relchdir 4=dance 8=readers), A=/tmp/df2717/a B=/home/maxx/df2717/b
DF-2717 storm done in 150.1s
  fchdir swaps       : 114908038 (765702/s)
  relative chdirs    : 11801869 (78643/s)
  volatile dance cyc : 3144309 (20952/s)
  reader opens       : 138997980 (926228/s, enoent 138997980)
DF-2717 storm: 150s, 3 readers, mode=0xf (1=fchdir-swap 2=relchdir 4=dance 8=readers), A=/tmp/df2717/a B=/home/maxx/df2717/b
DF-2717 storm done in 150.1s
  fchdir swaps       : 162930640 (1085735/s)
  relative chdirs    : 9602596 (63990/s)
  volatile dance cyc : 2326609 (15504/s)
  reader opens       : 131940060 (879221/s, enoent 131940060)