Mountain Lion 10.8.3 3/36/13
 sudo bootcachecontrol statistics Print
Password:
 initiated reads            8953
blocks read                1846704
bytes read                 945512448
 bytes used                30971392      3%
 bytes remaining           771081216    82%
 nonshared bytes read      419741696    44%
  nonshared bytes used     30971392      7%
 shared cache bytes read   525770752    56%
  shared cache bytes used  0             0%
 low priority bytes        402264064    43%
 bytes failed to read      0             0%
 bytes discarded by write  11845632      1%
 bytes discarded by read   638976        0%
 bytes discarded by error  0             0%
 bytes stolen from cache   0             0%
 bytes used after boot     119506432    13%
 bytes lost after boot     11468800      1%
bytes requested            417678336
 bytes hit                 30971392      7%
  mount 0 bytes hit        1991680      79% of 2528256
  mount 1 bytes hit        1265664       0% of 318295552
  mount 2 bytes hit        25604608     27% of 94728704
  mount 3 bytes hit        1826816     100% of 1830912
  mount 4 bytes hit        282624       96% of 294912
 noncached bytes requested 2535424       1%
  noncached bytes hit      0             0%
  noncached bytes missed   2535424     100%
cache active time          (still active)

 total strategy calls       21035
 filled calls               1684  8%
 bypassed calls            19351 92%
  nonread calls             4313 22%
  noncached mount calls      138  1%
  cache misses             14895 77%
  cache hit failures           5  0%
 noncached calls             108  1%
  noncached calls filled       0
  noncached calls bypassed   108 100%
 throttled calls            1830  9%
 calls during readahead      480  2%
  filled during readahead     15  3%
  bypassed during readahea   465 97%
   root disk nonread         294 63%
   root disk cache miss      171 37%
   root disk hit failure       0 
   non-root                    0 
   forced throttled          340 73%
  extent hits during reada    15  3%
   blocked during readahea     7 46%
   block calls timed out       0 
   longest blocked call     4086ms
   total blocked duration  12684ms

 total readahead threads    3
Disk 0 reader rate:        14612kB/s, 161tps
Disk 0 time                36.306s
Disk 0 bytes read:         543248384
  batch 0 time              3.905s
  batch 1 time              2.458s
  batch 2 time             15.987s
  batch 3 time             13.876s
  batch 4 time              0.080s
  batch 0 bytes read:      303157248 
  batch 1 bytes read:        8196096   
  batch 2 bytes read:      120172544 
  batch 3 bytes read:      111595520 
  batch 4 bytes read:         126976    
Disk 0 lowpri reader rate: 3964kB/s, 31.1tps  
Disk 0 lowpri bytes read:  402264064
Disk 0 lowpri time:        99.088s

 mounts in cache            5
extents in cache           8815
extent lookups             16584
extent hits                1689         10%
 multiple extent hits      0             0%
 hits aborted              0             0%
 hits missing blocks       5             0%
 hits stolen               0             0%
 hits failed               0             0%

preload time               5.443s
history active time        161.622s
read/write IO rate         102/26tps
history entries            16490
history bytes              415290368
history mounts             12
unidentifiable mounts      0
history unknown calls      138
history unknown bytes      651264
number history recordings  5

current flags              0x3