Format

    config profile_preprocs: \
        print [all | <num>], \
        sort <sort_option> \
        [, filename <filename> [append]]

• <num> is the number of preprocessors to print
• <sort_option> is one of: checks avg_ticks total_ticks
• <filename> is the output filename
• [append] dictates that the output will go to the same file each time (optional)