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Diffstat (limited to 'scripts/bootgraph.pl')
-rwxr-xr-x[-rw-r--r--]scripts/bootgraph.pl60
1 files changed, 42 insertions, 18 deletions
diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index b78fca994a15..79c903292ae8 100644..100755
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -1,24 +1,10 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0-only
# Copyright 2008, Intel Corporation
#
# This file is part of the Linux kernel
#
-# 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
-#
# Authors:
# Arjan van de Ven <arjan@linux.intel.com>
@@ -38,6 +24,31 @@
#
use strict;
+use Getopt::Long;
+my $header = 0;
+
+sub help {
+ my $text = << "EOM";
+Usage:
+1) dmesg | perl scripts/bootgraph.pl [OPTION] > output.svg
+2) perl scripts/bootgraph.pl -h
+
+Options:
+ -header Insert kernel version and date
+EOM
+ my $std=shift;
+ if ($std == 1) {
+ print STDERR $text;
+ } else {
+ print $text;
+ }
+ exit;
+}
+
+GetOptions(
+ 'h|help' =>\&help,
+ 'header' =>\$header
+);
my %start;
my %end;
@@ -49,6 +60,11 @@ my $count = 0;
my %pids;
my %pidctr;
+my $headerstep = 20;
+my $xheader = 15;
+my $yheader = 25;
+my $cyheader = 0;
+
while (<>) {
my $line = $_;
if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z0-9\_\.]+)\+/) {
@@ -112,15 +128,23 @@ if ($count == 0) {
print STDERR <<END;
No data found in the dmesg. Make sure that 'printk.time=1' and
'initcall_debug' are passed on the kernel command line.
-Usage:
- dmesg | perl scripts/bootgraph.pl > output.svg
END
+ help(1);
exit 1;
}
print "<?xml version=\"1.0\" standalone=\"no\"?> \n";
print "<svg width=\"2000\" height=\"100%\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n";
+
+if ($header) {
+ my $version = `uname -a`;
+ my $date = `date`;
+ print "<text transform=\"translate($xheader,$yheader)\">Kernel version: $version</text>\n";
+ $cyheader = $yheader+$headerstep;
+ print "<text transform=\"translate($xheader,$cyheader)\">Date: $date</text>\n";
+}
+
my @styles;
$styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";