How to write a db tcl script in cadence to find the number of clock buffers in a given rectangular box(area or region of core),
Also highlight all these clock buffers in that rectangular region in GUI
Replace the coordinates with yours (lower x,y upper x,y). This will return cell names with all the buffers. You will have to postprocess this list to filter out the clock buffers in the selected region. Or check the dbget command. Use the following to check for dbget options: