Generate Command

• history : Get command history

• h : Display history without leading numbers

• r : Display history in reverse order

• !! : 이전 명령어 실행

• ! 2 : 2nd 기록에서 실행된 명령 반복

• !{num} : history 의 [num] 실행

• list_key_bindings : List key bindings for current editing mode, 단축키 리스트

• !rep : 이전 Tcl 명령어 실행

Getting Help

• help {pattern} : Display quick help for one or more commands.

• verbose {pattern} : Display options

• group : Display command groups

• man {topic} : Display reference manual pages

Report

• report_global_timing : Show top level timing summary

WNS : Worst Negative Slack
TNS : Total Negative Slack (Slack이 0 미만인것들 총합)
NUM : 합한 Slack 개수

report_timing

• group {group_name} : Limit report to paths in these groups

• path_type {format} : full, full_clock, short, end, summary, full_clock_expanded

• delay_type {delay_type} : max, min, min_max, max_rise, max_fall, min_riise, min_fall

  max : setup time violation 볼 때
  min : hold time violation 볼 때

• from {from_list} : pins, ports, nets, clocks 사용 가능. Start point, Launch Edge

• rise_from {rise_from_list} : Rising from pins, ports, nets, or clocks

• fall_from {fall_from_list} : Falling from pins, ports, nets, or clocks

• to {to_list} : pins, ports, nets, clocks 사용 가능. End point, Catch Edge

• rise_to {rise_to_list} : Rising to pins, ports, nets, or clocks

• fall_to {fall_to_list} : Falling to pins, ports, nets, or clocks