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201 | ###############################################################################
# Copyright (c) 2005-2024 by Altair Engineering, Inc.
# All rights reserved.
#
# Altair Engineering, Inc. makes this software available as part of the Vision
# tool platform. As long as you are a licensee of the Vision tool platform
# you may make copies of the software and modify it to be used within the
# Vision tool platform, but you must include all of this notice on any copy.
# Redistribution without written permission to any third party, with or
# without modification, is not permitted.
# Altair Engineering, Inc. does not warrant that this software is error free
# or fit for any purpose. Altair Engineering, Inc. disclaims any liability for
# all claims, expenses, losses, damages and costs any user may incur as a
# result of using, copying or modifying the software.
# =============================================================================
# @plugin
# Show Parasitic Statistics
# @namespace
# ParasiticStatistics
# @section
# Analyze the Loaded Database
# @description
# Show parasitic statistics in the Console window.
# @files
# parasitic/parasiticStatistics.tcl
# @example
# demo/dspf/example.dspf
# @cmdline
# -readdspf @example[0]
# -userware @files[0]
# @tag
# spice parasitic
###############################################################################
# =============================================================================
# Init - Initialize the plugin.
# =============================================================================
#
proc ParasiticStatistics:Init {} {
##
# Add a menu entry.
#
gui menu command {"Userware" "Parasitic Statistics"} \
[list ParasiticStatistics:_runFromMenu]
##
# Run if Database is available
#
gui database runOrRegisterChangedCallback ParasiticStatistics:Run
}
# =============================================================================
# Finit - Finalize the plugin.
# =============================================================================
#
proc ParasiticStatistics:Finit {} {
##
# Undo modifications of the GUI.
#
gui menu removeEntry {"Userware" "Parasitic Statistics"}
##
# Remove the callback registration.
#
gui database removeChangedCallback "ParasiticStatistics:Run"
}
# -----------------------------------------------------------------------------
# _minMax - Get minimum and maximum values.
# -----------------------------------------------------------------------------
#
proc ParasiticStatistics:_minMax {minName maxName value} {
upvar 1 $minName min
upvar 1 $maxName max
if {($min == {}) || ($value < $min)} {
set min $value
}
if {($max == {}) || ($value > $max)} {
set max $value
}
}
# =============================================================================
# Run - Collect statistics for parasitic data.
# =============================================================================
#
proc ParasiticStatistics:Run {db} {
##
# Return if the database is empty.
#
if {$db == {}} {
return
}
##
# Get signal top
#
set top {}
$db foreach top top {
break
}
##
# count all design signals
#
set sigCnt 0
$db flat foreach signal $top sig {
incr sigCnt
}
##
# process all parasitic modules
#
set paraCnt 0
set instMin {}
set instMax {}
set netMin {}
set netMax {}
set portMin {}
set portMax {}
set paraList {}
$db foreach parasitic paraMod {
incr paraCnt
set instCnt 0
$db foreach inst $paraMod inst {
incr instCnt
}
ParasiticStatistics:_minMax instMin instMax $instCnt
set netCnt 0
$db foreach net $paraMod net {
incr netCnt
}
ParasiticStatistics:_minMax netMin netMax $netCnt
set portCnt 0
$db foreach port $paraMod port {
incr portCnt
}
ParasiticStatistics:_minMax portMin portMax $portCnt
set para [list $paraMod $instCnt $netCnt $portCnt]
lappend paraList $para
}
##
# Sort by instance count
#
set paraList [lsort -decreasing -integer -index 1 $paraList]
##
# Print table
#
gui console print [format "%-30s %-4s %-4s %-4s" \
"Parasitic" "Inst" "Net" "Port"]
foreach para $paraList {
set paraMod [lindex $para 0]
set instCnt [lindex $para 1]
set netCnt [lindex $para 2]
set portCnt [lindex $para 3]
set paraName [$db oid oname $paraMod]
gui console print [format "%-30s %4d %4d %4d" \
$paraName $instCnt $netCnt $portCnt]
}
##
# Print extra infos
#
gui console print [format "Design top: %s" [$db oid oname $top]]
gui console print [format "Flat signals in design: %d" $sigCnt]
gui console print [format "Parasitic nets: %d" $paraCnt]
gui console print [format "Min/Max Inst Count: %d / %d" \
$instMin $instMax]
gui console print [format "Min/Max Net Count: %d / %d" \
$netMin $netMax]
gui console print [format "Min/Max Port Count: %d / %d" \
$portMin $portMax]
}
# -----------------------------------------------------------------------------
# _runFromMenu - Call with a database.
# -----------------------------------------------------------------------------
#
proc ParasiticStatistics:_runFromMenu {} {
ParasiticStatistics:Run [gui database get]
}
# =============================================================================
# Call the initialization procedure.
# =============================================================================
#
ParasiticStatistics:Init
|