Patchwork [U-Boot,v2,1/7] Add bootgraph.pl script for generating a boot graph SVG file

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Submitter Andrew Murray
Date Sept. 10, 2011, 12:37 p.m.
Message ID <1315658227-4388-1-git-send-email-amurray@theiet.org>
Download mbox | patch
Permalink /patch/114158/
State Changes Requested
Delegated to: Wolfgang Denk
Headers show

Comments

Andrew Murray - Sept. 10, 2011, 12:37 p.m.
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
Wolfgang Denk - Oct. 6, 2011, 9:38 p.m.
Dear Andrew Murray,

In message <1315658227-4388-1-git-send-email-amurray@theiet.org> you wrote:
> 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

Checkpatch says:

total: 4 errors, 28 warnings, 189 lines checked

Please clean up and resubmit.  Thanks.

Best regards,

Wolfgang Denk

Patch

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\">\n";
+
+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";