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今天,就PT常用的命令,做一个介绍,希望对大家以后的工作,起到帮助作用。
在PrimeTime中,使用report_timing -delay max命令生成此报告。switch -delay max表示定时报告用于设置(这是默认值)。
首先,我们整体看一下通过report_timing 运行之后,报告产生的整体样式。
pt_shell> report_timing -from start_point -to end_point -delay_type max
  Startpoint: FF1 (rising edge-triggered flip-flop clocked by Clk)Endpoint: FF2 (rising edge-triggered flip-flop clocked by Clk)Path Group: ClkPath Type: maxPoint                                    Incr       Path-----------------------------------------------------------clock Clk (rise edge)                    0.00       0.00clock network delay (propagated)         1.10 *     1.10FF1/CLK (fdef1a15)                       0.00       1.10 rFF1/Q (fdef1a15)                         0.50 *     1.60 rU2/Y  (buf1a27)                          0.11 *     1.71 rU3/Y  (buf1a27)                          0.11 *     1.82 rFF2/D (fdef1a15)                         0.05 *     1.87 rdata arrival time                                   1.87clock Clk (rise edge)                    4.00       4.00clock network delay (propagated)         1.00 *     5.00FF2/CLK (fdef1a15)                                  5.00 rlibrary setup time                      -0.21 *     4.79data required time                                  4.79------------------------------------------------------------data required time                                  4.79data arrival time                                  -1.87------------------------------------------------------------slack (MET)                                         2.92
 
一 Header部分
  Startpoint: FF1 (rising edge-triggered flip-flop clocked by Clk)Endpoint: FF2 (rising edge-triggered flip-flop clocked by Clk)Path Group: ClkPath Type: max
 

二 Data arrival部分
  Point                                    Incr       Path-----------------------------------------------------------clock Clk (rise edge)                    0.00       0.00clock network delay (propagated)         1.10 *     1.10FF1/CLK (fdef1a15)                       0.00       1.10 rFF1/Q (fdef1a15)                         0.50 *     1.60 rU2/Y  (buf1a27)                          0.11 *     1.71 rU3/Y  (buf1a27)                          0.11 *     1.82 rFF2/D (fdef1a15)                         0.05 *     1.87 rdata arrival time                                   1.87
 

三 Data required
  clock Clk (rise edge)                    4.00       4.00clock network delay (propagated)         1.00 *     5.00FF2/CLK (fdef1a15)                                  5.00 rlibrary setup time                      -0.21 *     4.79data required time                                  4.79
 
 
四 Slack
  ------------------------------------------------------------data required time                                  4.79data arrival time                                  -1.87------------------------------------------------------------slack (MET)                                         2.92
 
********************************************************************************************************
pt_shell> report_timing -from start_point -to end_point -delay_type min
pt_shell> report_analysis_coverage

