SmartTime Static Timing Analyzer User Guide
128
Parameter/Value
Description
-include_pin_to_pin
(yes|no)
Yes to include and no to exclude pin-to-pin paths in the
timing report.
Bottleneck Options and Values
Parameter/Value
Description
-cost_type
<path_count|path_cost>
Specifies the cost_type as either path_count or path_cost. For
path_count, instances with the greatest number of path
violations will have the highest bottleneck cost. For path_cost,
instances with the largest combined timing violations will have
the highest bottleneck cost.
-max_instances
<number>
Specifies the maximum number of instances to be reported.
Default is 10.
-from <port/pin pattern> Reports only instances that lie on violating paths that start at
locations specified by this option.
-to <port/pin pattern>
Reports only instances that lie on violating paths that end at
locations specified by this option.
-clock <clock name>
This option allows pruning based on a given clock domain.
Only instances that lie on these violating paths are reported.
-set_name <set name>
Displays the bottleneck information for the named set. You can
either use this option or use both -clock and -type. This option
allows pruning based on a given set. Only paths that lie within
the named set will be considered towards bottleneck.
-set_type <set_type>
This option can only be used in combination
with the -clock option, and not by itself. The
options allows you to filter which type of
paths should be considered towards the
bottleneck:
•
reg_to_reg - Paths between registers
in the design
•
async_to_reg - Paths from
asynchronous pins to registers
•
reg_to_async - Paths from registers to
asynchronous pins
•
external_recovery - The set of paths
from inputs to asynchronous pins
•
external_removal - The set of paths
from inputs to asynchronous pins
•
external_setup - Paths from input ports
to registers
•
external_hold - Paths from input ports
to registers
•
clock_to_out - Paths from registers to
output ports
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