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Diffstat (limited to 'btt/README')
| -rw-r--r-- | btt/README | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -20,6 +20,8 @@ Usage: btt [ -q <output name> | --q2c-latencies=<output name> ] [ -s <output name> | --seeks=<output name> ] [ -S <interval> | --iostat-interval=<interval> ] + [ -t <sec> | --time-start=<sec> ] + [ -T <sec> | --time-end=<sec> ] [ -V | --version ] [ -v | --verbose ] @@ -58,6 +60,12 @@ The -s option instructs btt to output seek data, the argument provided is the basis for file names output. There are two files per device, read seeks and write seeks. +The -t/-T options allow one to set a start and/or end time for analyzing +- analyzing will only be done for traces after -t's argument and before +-T's argument. (-t and -T are optional, so if you specify just -t, +analysis will occur for all traces after the time specified. Similarly, +if only -T is specified, analysis stops after -T's seconds.) + Overview -------- |