From: Andrew Murray amurray@mpcdata.com
This is a port of the kernel's script/bootgraph.pl script which generates an SVG image illustrating boot time in UBoot. The script relies on additional output generated by UBoot during boot when the CONFIG_BOOT_TRACE option is enabled.
Signed-off-by: Andrew Murray amurray@theiet.org --- tools/bootgraph.pl | 189 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 189 insertions(+), 0 deletions(-) create mode 100755 tools/bootgraph.pl
diff --git a/tools/bootgraph.pl b/tools/bootgraph.pl new file mode 100755 index 0000000..8b206b5 --- /dev/null +++ b/tools/bootgraph.pl @@ -0,0 +1,189 @@ +#!/usr/bin/perl + +# Copyright (C) 2011, Andrew Murray amurray@theiet.org) +# Copyright (C) 2008, Intel Corporation (Arjan van de Ven arjan@linux.intel.com) +# +# This program file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program in a file named COPYING; if not, write to the +# Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, +# Boston, MA 02110-1301 USA +# +# This script was originally written by Arjan for use with the Linux kernel and +# subsequently ported across to UBoot by Andrew. +# +# This script turns a output trace from UBoot into a SVG graphic that shows +# which functions take how much time. You can view SVG graphics with various +# programs, including Inkscape, The Gimp and Firefox. +# +# For this script to work, the UBoot config file needs to be compiled with the +# CONFIG_BOOT_TRACE configuration option enabled. +# +# usage: +# cat uboot.trace | perl ./tools/bootgraph.pl > output.svg +# + +use strict; + +my %start; +my %end; +my %type; +my $done = 0; +my $maxtime = 0; +my $firsttime = 99999; +my $count = 0; +my $textoffset = hex('0x80008000'); +my $reloffset = $textoffset; +my %sym; + +if (!open FILE, "System.map") { + print STDERR <<END; +No map file found "./System.map". Make sure that a file named +System.map exists in the current working directory. +Usage: + cat uboot.trace | perl ./tools/bootgraph.pl > output.svg +END + exit 1; +} + +# Read in a map file to support in the printing of function names +while (<FILE>) { + my $line = $_; + if ($line =~ /([a-zA-Z0-9]+)\ [a-zA-Z] ([a-zA-Z0-0_.]+)/) { + $sym{$1} = $2; + } +} +close FILE; + +# Parse lines of UBoot's trace to generate a timeline +while (<>) { + my $line = $_; + + # Find start of init calls as instrumented in UBoot with DO_INITCALLXXX macros + if ($line =~ /([0-9.]+)] calling (0x[a-zA-Z0-9_.]+)/) { + my $func = sprintf("%x", (hex($2) - $reloffset + $textoffset)); + $func = $sym{$func}; + if ($done == 0) { + $start{$func} = $1; + $type{$func} = 0; + if ($1 < $firsttime) { + $firsttime = $1; + } + } + $count = $count + 1; + } + + # Find end of init calls as instrumented in UBoot with DO_INITCALLXXX macros + if ($line =~ /([0-9.]+)] initcall (0x[a-zA-Z0-9_.]+).*returned/) { + if ($done == 0) { + my $func = sprintf("%x", (hex($2) - $reloffset + $textoffset)); + $func = $sym{$func}; + $end{$func} = $1; + $maxtime = $1; + } + } + + # Determine where UBoot relocates itself in RAM + if ($line =~ /performing relocate to ram to (0x[a-zA-Z0-9_.]+)/) { + $reloffset = hex($1); + } + + # Stop scanning once we've left UBoot + if ($line =~ /Starting kernel /) { + $done = 1; + } +} + +# No data was captured +if ($count == 0) { + print STDERR <<END; +No data found in the dmesg. Make sure that CONFIG_BOOT_TRACE is +defined. +Usage: + cat uboot.trace | perl ./tools/bootgraph.pl > output.svg +END + exit 1; +} + +print "<?xml version=\"1.0\" standalone=\"no\"?> \n"; +print "<svg width="2000" height="100%" version="1.1" xmlns="http://www.w3.org/2000/svg%5C%22%3E%5Cn"; + +my @styles; + +$styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[1] = "fill:rgb(0,255,0);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[2] = "fill:rgb(255,0,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[3] = "fill:rgb(255,255,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[4] = "fill:rgb(255,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[5] = "fill:rgb(0,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[6] = "fill:rgb(0,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[7] = "fill:rgb(0,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[8] = "fill:rgb(255,0,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[9] = "fill:rgb(255,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[10] = "fill:rgb(255,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; + +my $style_wait = "fill:rgb(128,128,128);fill-opacity:0.5;stroke-width:0;stroke:rgb(0,0,0)"; + +my $mult = 1950.0 / ($maxtime - $firsttime); +my $threshold2 = ($maxtime - $firsttime) / 120.0; +my $threshold = $threshold2/10; +my $stylecounter = 0; +my @initcalls = sort { $start{$a} <=> $start{$b} } keys(%start); + +foreach my $key (@initcalls) { + my $duration = $end{$key} - $start{$key}; + + if ($duration >= $threshold) { + my ($s, $s2, $s3, $e, $w, $y, $y2, $style); + + $s = ($start{$key} - $firsttime) * $mult; + $s2 = $s + 6; + $s3 = $s + 1; + $e = ($end{$key} - $firsttime) * $mult; + $w = $e - $s; + + $y = 150; + $y2 = $y + 4; + + $style = $styles[$stylecounter]; + $stylecounter = $stylecounter + 1; + if ($stylecounter > 11) { + $stylecounter = 0; + }; + + if ($type{$key} == 1) { + $y = $y + 15; + print "<rect x="$s" width="$w" y="$y" height="115" style="$style_wait"/>\n"; + } else { + print "<rect x="$s" width="$w" y="$y" height="145" style="$style"/>\n"; + if ($duration >= $threshold2) { + print "<text transform="translate($s2,$y2) rotate(90)">$key</text>\n"; + } else { + print "<text transform="translate($s3,$y2) rotate(90)" font-size="3pt">$key</text>\n"; + } + } + } +} + + +# print the time line on top +my $time = $firsttime; +my $step = ($maxtime - $firsttime) / 15; +while ($time < $maxtime) { + my $s3 = ($time - $firsttime) * $mult; + my $tm = int($time * 100) / 100.0; + print "<text transform="translate($s3,89) rotate(90)">$tm</text>\n"; + $time = $time + $step; +} + +print "</svg>\n";