| Short |
Long |
Description |
| -b batch |
-batch=batch |
Standard input read batching |
| -i file |
-input=file |
Specifies base name for input files - default is device.blktrace.cpu. |
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As noted above, specifying -i - runs in live mode with blktrace |
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(reading data from standard in). |
| -F typ,fmt |
-format=typ,fmt |
Sets output format |
| -f fmt |
-format-spec=fmt |
(See section for details.) |
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The -f form specifies a format for all events |
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The -F form allows one to specify a format for a specific |
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event type. The single-character typ field is one of the |
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action specifiers in section ![[*]](/usr/share/latex2html/icons/crossref.png) |
| -m |
-missing |
Print missing entries |
| -h |
-hash-by-name |
Hash processes by name, not by PID |
| -o file |
-output=file |
Output file |
| -O |
-no-text-output |
Do not produce text output, used for binary (-d) only |
| -d file |
-dump-binary=file |
Binary output file |
| -q |
-quiet |
Quite mode |
| -s |
-per-program-stats |
Displays data sorted by program |
| -t |
-track-ios |
Display time deltas per IO |
| -w span |
-stopwatch=span |
Display traces for the span specified - where span can be: |
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end-time - Display traces from time 0 through end-time (in ns) |
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or |
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start:end-time - Display traces from time start |
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through end-time (in ns). |
| -v |
-verbose |
More verbose marginal on marginal errors |
| -V |
-version |
Display version |