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 grep 

Last post Thu, Jan 24 2013 4:16 AM by fitz. 3 replies.
Started by thevansakthi 02 Jan 2013 10:32 PM. Topic has 3 replies and 901 views
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  • Wed, Jan 2 2013 10:32 PM

    • thevansakthi
    • Not Ranked
    • Joined on Wed, Dec 26 2012
    • Ahmedabad, Gujarat
    • Posts 11
    • Points 245
    grep Reply

    hi

    i need to know how to grep only the negative  slack value from the report

    • Post Points: 20
  • Thu, Jan 3 2013 6:37 AM

    • BobD
    • Top 25 Contributor
    • Joined on Fri, Jul 11 2008
    • Chelmsford, MA
    • Posts 247
    • Points 9,325
    Re: grep Reply

    There's probably a better way than grep. Try "calNegSlack" or "get_metric timing.setup.WNS.reg2reg" for example. 

    • Post Points: 20
  • Thu, Jan 10 2013 2:04 AM

    • chirag maniya
    • Not Ranked
    • Joined on Thu, Jan 10 2013
    • surat, Gujarat
    • Posts 2
    • Points 140
    Re: grep Reply

    Hi,,,Bob

    calNegslack is very useful to see WNS..

    However using that command, One is unable to see beginpoint and endpoint of violated path.

    I think So its better to grep negative slack only so that one can see begin and endpoint.

    Or If this can be done using any other command then please let me know.

     

    Thanks,

    Chirag Maniya

    • Post Points: 20
  • Thu, Jan 24 2013 4:16 AM

    • fitz
    • Top 150 Contributor
    • Joined on Wed, Aug 4 2010
    • Kanata, Ontario
    • Posts 56
    • Points 745
    Re: grep Reply

    I find that parsing the .mtarpt.gz file that is used for the timing debug is the easiest  way to get simple start,  end,  slack reports.

    report_timing -machine_readable -max_points 50000 -max_slack 5.00   > ${DATE}/${DESIGN}_2_preCTS/${DESIGN}.mtarpt.gz

     gzip -cd *.mtarpt.gz | egrep "BEGINPT |ENDPT |SLK |PATH " | egrep -v " END_LAUNCH_CLK_PATH| DATA_PATH|END_PATH" >! END_BEGIN_SLK.summary

     Shawn

     

    • Post Points: 5
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Started by thevansakthi at 02 Jan 2013 10:32 PM. Topic has 3 replies.