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- #
- # profrep --
- #
- # Generate Tcl profiling reports.
- #------------------------------------------------------------------------------
- # Copyright 1992 Karl Lehenbauer and Mark Diekhans.
- #
- # Permission to use, copy, modify, and distribute this software and its
- # documentation for any purpose and without fee is hereby granted, provided
- # that the above copyright notice appear in all copies. Karl Lehenbauer and
- # Mark Diekhans make no representations about the suitability of this
- # software for any purpose. It is provided "as is" without express or
- # implied warranty.
- #------------------------------------------------------------------------------
- # $Id: profrep.tcl,v 2.0 1992/10/16 04:52:05 markd Rel $
- #------------------------------------------------------------------------------
- #
-
- #@package: TclX-profrep profrep
-
- #
- # Summarize the data from the profile command to the specified significant
- # stack depth. Returns the maximum number of characters of any significant
- # stack. (useful in columnizing reports).
- #
- proc profrep:summarize {profDataVar stackDepth sumProfDataVar} {
- upvar $profDataVar profData $sumProfDataVar sumProfData
-
- if {(![info exists profData]) || ([catch {array size profData}] != 0)} {
- error "`profDataVar' must be the name of an array returned by the `profile off' command"
- }
- set maxNameLen 0
- foreach procStack [array names profData] {
- if {[llength $procStack] < $stackDepth} {
- set sigProcStack $procStack
- } else {
- set sigProcStack [lrange $procStack 0 [expr {$stackDepth - 1}]]
- }
- set maxNameLen [max $maxNameLen [clength $sigProcStack]]
- if [info exists sumProfData($sigProcStack)] {
- set cur $sumProfData($sigProcStack)
- set add $profData($procStack)
- set new [expr [lindex $cur 0]+[lindex $add 0]]
- lappend new [expr [lindex $cur 1]+[lindex $add 1]]
- lappend new [expr [lindex $cur 2]+[lindex $add 2]]
- set $sumProfData($sigProcStack) $new
- } else {
- set sumProfData($sigProcStack) $profData($procStack)
- }
- }
- return $maxNameLen
- }
-
- #
- # Generate a list, sorted in descending order by the specified key, contain
- # the indices into the summarized data.
- #
- proc profrep:sort {sumProfDataVar sortKey} {
- upvar $sumProfDataVar sumProfData
-
- case $sortKey {
- {calls} {set keyIndex 0}
- {real} {set keyIndex 1}
- {cpu} {set keyIndex 2}
- default {
- error "Expected a sort of: `calls', `cpu' or ` real'"}
- }
-
- # Build a list to sort cosisting of a fix-length string containing the
- # key value and proc stack. Then sort it.
-
- foreach procStack [array names sumProfData] {
- set key [format "%016d" [lindex $sumProfData($procStack) $keyIndex]]
- lappend keyProcList [list $key $procStack]
- }
- set keyProcList [lsort $keyProcList]
-
- # Convert the assending sorted list into a descending list of proc stacks.
-
- for {set idx [expr [llength $keyProcList]-1]} {$idx >= 0} {incr idx -1} {
- lappend sortedProcList [lindex [lindex $keyProcList $idx] 1]
- }
- return $sortedProcList
- }
-
- #
- # Print the sorted report
- #
-
- proc profrep:print {sumProfDataVar sortedProcList maxNameLen outFile
- userTitle} {
- upvar $sumProfDataVar sumProfData
-
- if {$outFile == ""} {
- set outFH stdout
- } else {
- set outFH [open $outFile w]
- }
-
- # Output a header.
-
- set stackTitle "Procedure Call Stack"
- set maxNameLen [max $maxNameLen [clength $stackTitle]]
- set hdr [format "%-${maxNameLen}s %10s %10s %10s" $stackTitle \
- "Calls" "Real Time" "CPU Time"]
- if {$userTitle != ""} {
- puts $outFH [replicate - [clength $hdr]]
- puts $outFH $userTitle
- }
- puts $outFH [replicate - [clength $hdr]]
- puts $outFH $hdr
- puts $outFH [replicate - [clength $hdr]]
-
- # Output the data in sorted order.
-
- foreach procStack $sortedProcList {
- set data $sumProfData($procStack)
- puts $outFH [format "%-${maxNameLen}s %10d %10d %10d" $procStack \
- [lindex $data 0] [lindex $data 1] [lindex $data 2]]
- }
- if {$outFile != ""} {
- close $outFH
- }
- }
-
- #------------------------------------------------------------------------------
- # Generate a report from data collect from the profile command.
- # o profDataVar (I) - The name of the array containing the data from profile.
- # o sortKey (I) - Value to sort by. One of "calls", "cpu" or "real".
- # o stackDepth (I) - The stack depth to consider significant.
- # o outFile (I) - Name of file to write the report to. If omitted, stdout
- # is assumed.
- # o userTitle (I) - Title line to add to output.
-
- proc profrep {profDataVar sortKey stackDepth {outFile {}} {userTitle {}}} {
- upvar $profDataVar profData
-
- set maxNameLen [profrep:summarize profData $stackDepth sumProfData]
- set sortedProcList [profrep:sort sumProfData $sortKey]
- profrep:print sumProfData $sortedProcList $maxNameLen $outFile $userTitle
-
- }
-