Report Skew Dialog Box (report_skew)
You open this dialog box by double-clicking Report Skew in the Tasks pane in the Timing Analyzer.
Allows you to configure and display a customized report that details the results of skew analysis as defined by timing constraints and exceptions. After generating a Report Skew report, you can transfer the information to the Report Max Skew to further refine your SDC.
Clocks
Allows you to filter timing data according to the specified source and destination clocks or clock collections.
Scripting Information |
Keyword: report_skew Settings: -from_clock<clock_list> -to_clock<clock_list> |
Targets
Allows you to filter report timing data according to the specified source and destination timing path, or timing paths that go through a specific node. For each timing path, you can use the Name Finder to build a collection Definition of targets.
Scripting Information |
Keyword: report_skew Settings: -from<object_list>|-through<object_list>|-to<object_list> |
Include
Paths
Allows you to specify the number of timing paths to report (the default is 1) and to direct the Timing Analyzer to report only paths with a minimum skew value. You can specify both of these settings if you want to report n paths with slack less than 0.
Scripting Information |
Keyword: report_skew Settings: -npaths<number>|-greater_than_skew<number> |
Output
Allows you to specify where you want to save the report and how much detail you want in the report. You can select one or more of the following settings:
- Detail level— Allows you to
specify how much detail appears in the report. You can select: Summary; Path Only; Path and Clock; or Full
Path. You can click Set Default to
make the current setting the default setting for all reports.
Scripting Information Keyword: report_skew
Settings: :-detail<summary|path_only|path_and_clock|full_path>
- Show Routing— Allows you to see
detailed routing for the path in the report, including expanded routing information for
path elements marked IC (Interconnect Delay) in the Type column of the report when the
Show Routing option is not turned on.
Scripting Information Keyword: report_skew
Settings: :-show_routing
- Report panel name— Allows you to
specify a unique name for the report. The default report name is Report Timing.
Scripting Information Keyword: report_skew
Settings: -panel_name<reportname>
- Enable multi corner reports—
Allows you to enable or disable multi-corner timing analysis. This option is on by
default.
Scripting Information Keyword: report_skew
Settings: -multi_corner
- File name— Directs the
Timing Analyzer to save the report to your local disk as a text file with the specified
file name.
Scripting Information Keyword: report_skew
Settings: -file<filename>
Under File options you can specify whether the Timing Analyzer overwrites an existing file (the default setting) or appends the content to an existing file.
Scripting Information Keyword:report_skew
Settings: -append|-overwrite
- Console— Specifies whether the
report appears as information messages in the Console.
Scripting Information Keyword:report_skew
Settings: -stdout
Tcl command
Displays and allows you to modify Tcl commands for the options you specify in this dialog box.