/on - Turns logging on/off. The DAT will only log 1 frame worth of data and then stop logging. Toggle this parameter back to 0 to ready it to log again. Use opparm -p to pulse it from 1 to 0 to 1 in a script to do this.
/trigger - This is the amount of time, in milliseconds, that a frame must exceed to cause the DAT to log and output the frame's timing. For example to see what happens when a frame takes more that 33 ms to cook, put this parameter to 33.
Log Cook Time
/logcook - Logs the cook time of operators.
Log Export Time
/logexport - Logs time spent exporting CHOP channels.
Log Viewport Draw Time
/logviewport - Logs time to draw 3D geometry and SOP viewers. Node Viewers and pane viewers.
Log Movie Time
/logmovie - Logs time taken to read video and audio from movie files.
Log Draw Channels Time
/logdrawchannels - Logs time to draw channels in CHOP viewers.
Log Object View Time
Log Custom Panel Time
/logcustompanel - Logs time taken by custom panels build with Panel Components.
Log Midi Time
/logmidi - Logs time spent on MIDI.
Log Graphics Time
/loggraphics - Logs various graphics system calls, such as time spent waiting for the graphics card, calls to the graphic driver, converting TOP data to CHOPs, etc.
Log Frame Length
/logframelength - Logs total frame time in milliseconds (ms).
/logmisc - Logs miscellaneous times that do not fit into other categories.
/logscript - Logs time spent running scripts.
/logrender - Logs time spend by Render or Renderpass TOPs.