List all block groups/chunks

[kdave]

New command has been added in v6.1 to list all block groups/chunks. Not yet finalized.

Example output:

PNumber              Type    PStart    Length      PEnd Age    LStart Usage%
------- ----------------- --------- --------- --------- --- --------- ------
      -             empty         -   1.00MiB         -   -         -      -
      1       Data/single   1.00MiB  12.00MiB  13.00MiB   3  70.39GiB  86.00
      -             empty         -   8.00MiB         -   -         -      -
      2   Metadata/DUP     21.00MiB 256.00MiB 277.00MiB  49 112.90GiB  29.84
      3   Metadata/DUP    277.00MiB 256.00MiB 533.00MiB  50 112.90GiB  29.84
      4       Data/single 533.00MiB   1.00GiB   1.52GiB  11  76.40GiB  89.43
      -             empty         -  16.00MiB         -   -         -      -
      5       Data/single   1.54GiB   1.00GiB   2.54GiB  35 100.90GiB  34.93
      6       Data/single   2.54GiB   1.00GiB   3.54GiB  34  99.90GiB  53.12
      7       Data/single   3.54GiB   1.00GiB   4.54GiB   6  71.40GiB  64.98
      8       Data/single   4.54GiB   1.00GiB   5.54GiB  33  98.90GiB  97.59
      9       Data/single   5.54GiB   1.00GiB   6.54GiB  32  97.90GiB  91.22
      -             empty         -  64.00MiB         -   -         -      -
     10       Data/single   6.60GiB 448.00MiB   7.04GiB   2  69.95GiB  99.98
     11       Data/single   7.04GiB   1.00GiB   8.04GiB  31  96.90GiB  89.36
     12     System/DUP      8.04GiB  32.00MiB   8.07GiB  47 112.87GiB   0.05
     13     System/DUP      8.07GiB  32.00MiB   8.10GiB  48 112.87GiB   0.05
      -             empty         - 448.00MiB         -   -         -      -
     14   Metadata/DUP      8.54GiB 256.00MiB   8.79GiB  41 112.12GiB  38.30
     15   Metadata/DUP      8.79GiB 256.00MiB   9.04GiB  42 112.12GiB  38.30
     16   Metadata/DUP      9.04GiB 256.00MiB   9.29GiB  43 112.37GiB  45.14
     17   Metadata/DUP      9.29GiB 256.00MiB   9.54GiB  44 112.37GiB  45.14
     18   Metadata/DUP      9.54GiB 256.00MiB   9.79GiB  51 113.15GiB  39.64
     19   Metadata/DUP      9.79GiB 256.00MiB  10.04GiB  52 113.15GiB  39.64
     20       Data/single  10.04GiB   1.00GiB  11.04GiB  30  95.90GiB  86.46
     21       Data/single  11.04GiB   1.00GiB  12.04GiB  15  80.40GiB  98.74
     22       Data/single  12.04GiB   1.00GiB  13.04GiB  29  94.90GiB  75.36
     23       Data/single  13.04GiB   1.00GiB  14.04GiB  36 102.15GiB  44.38
     24   Metadata/DUP     14.04GiB 256.00MiB  14.29GiB  45 112.62GiB  53.41
     25   Metadata/DUP     14.29GiB 256.00MiB  14.54GiB  46 112.62GiB  53.41
     26       Data/single  14.54GiB   1.00GiB  15.54GiB  28  93.90GiB  74.87
     27   Metadata/DUP     15.54GiB 256.00MiB  15.79GiB   0  45.00GiB  34.78
     28   Metadata/DUP     15.79GiB 256.00MiB  16.04GiB   1  45.00GiB  34.78
     29   Metadata/DUP     16.04GiB 256.00MiB  16.29GiB  53 113.40GiB  12.17
     30   Metadata/DUP     16.29GiB 256.00MiB  16.54GiB  54 113.40GiB  12.17
     31       Data/single  16.54GiB   1.00GiB  17.54GiB  13  78.40GiB  78.98
     32       Data/single  17.54GiB   1.00GiB  18.54GiB  27  92.65GiB  76.05
     33       Data/single  18.54GiB   1.00GiB  19.54GiB  26  91.65GiB  81.63
     34   Metadata/DUP     19.54GiB 256.00MiB  19.79GiB  57 115.65GiB  16.44

[kdave]

Remaining work:

• test on mult-device filesystems, the grouping is wrong in combination with --sort
• finish the sorting infrastructure (to allow multiple keys and direction), replace current sorting keys

[kdave]

Now available in the experimental build, sorting a few columns work, multi device works (device id is printed in the column).

Remaining: reorder columns

Devid PNumber      Type/profile    PStart    Length      PEnd LNumber    LStart Usage%
----- ------- ----------------- --------- --------- --------- ------- --------- ------
    1       1       Data/single   1.00MiB  84.00MiB  85.00MiB      68 191.60GiB  58.93
    1       2     System/DUP     85.00MiB  32.00MiB 117.00MiB      39 140.17GiB   0.05
    1       3     System/DUP    117.00MiB  32.00MiB 149.00MiB      40 140.17GiB   0.05
    1       4   Metadata/DUP    149.00MiB 192.00MiB 341.00MiB      59 188.41GiB  71.61
    1       5   Metadata/DUP    341.00MiB 192.00MiB 533.00MiB      60 188.41GiB  71.61
    1       6       Data/single 533.00MiB   1.00GiB   1.52GiB      49 169.91GiB  72.69
    1       7       Data/single   1.52GiB  16.00MiB   1.54GiB      69 191.68GiB  79.81
    1       8       Data/single   1.54GiB   1.00GiB   2.54GiB      17 100.90GiB  48.20
...

[kdave]

Documentation updated. I'll move it out of experimental in 6.10 and then reorder the columns after feedback. Eventually the list of columns can be also specified e.g. like the util-linux tools do.