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ubiscan will scan the PEBs in a specific MTD device and print a summary of
the PEB erase counters and (optionally) details about each PEB's status.
Example output:
# ./ubiscan /dev/mtd6
Summary
=========================================================
mtd : 6
type : nand
size : 110362624 bytes (105.2 MiB)
PEBs : 842
min I/O: 2048 bytes
PEB erase counters
=========================================================
valid : 834
empty : 0
corrupted: 0
alien : 0
bad : 8
Histogram
=========================================================
from to count min avg max
---------------------------------------------------------
0 .. 9: 55 1 4 9
10 .. 99: 174 10 48 99
100 .. 999: 514 103 287 987
1000 .. 9999: 91 1004 1880 2251
10000 .. 99999: 0 0 0 0
100000 .. inf: 0 0 0 0
---------------------------------------------------------
Total : 834 1 392 2251
If the --verbose switch is given, ubiscan will print PEB details:
# ./ubiscan --verbose /dev/mtd6
[... same output as before ...]
Details
=========================================================
PEB 0: 253
PEB 1: 1489
PEB 2: 1
PEB 3: 1
PEB 4: 1
PEB 5: 1
PEB 6: 1
PEB 7: 1
PEB 8: 1
PEB 9: 1
PEB 10: 1
...
PEB 832: 1225
PEB 833: 252
PEB 834: 111
PEB 835: 298
PEB 836: 1264
PEB 837: 11
PEB 838: EB_BAD
PEB 839: EB_BAD
PEB 840: EB_BAD
PEB 841: EB_BAD
Signed-off-by: Diego Ismirlian <dismirlian@gmail.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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