#!/usr/bin/perl # 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> ## This script turns a dmesg output 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 kernel needs to be compiled with the# CONFIG_PRINTK_TIME configuration option enabled, and with# "initcall_debug" passed on the kernel command line.## usage:# dmesg | perl scripts/bootgraph.pl > output.svg# use strict;use Getopt::Long;my $header = 0; sub help { my $text = << "EOM";Usage:1) dmesg | perl scripts/bootgraph.pl [OPTION] > output.svg2) perl scripts/bootgraph.pl -h Options: -header Insert kernel version and dateEOM my $std=shift; if ($std == 1) { print STDERR $text; } else { print $text; } exit;} GetOptions( 'h|help' =>\&help, 'header' =>\$header); my %start;my %end;my %type;my $done = 0;my $maxtime = 0;my $firsttime = 99999;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\_\.]+)\+/) { my $func = $2; if ($done == 0) { $start{$func} = $1; $type{$func} = 0; if ($1 < $firsttime) { $firsttime = $1; } } if ($line =~ /\@ ([0-9]+)/) { $pids{$func} = $1; } $count = $count + 1; } if ($line =~ /([0-9\.]+)\] async_waiting @ ([0-9]+)/) { my $pid = $2; my $func; if (!defined($pidctr{$pid})) { $func = "wait_" . $pid . "_1"; $pidctr{$pid} = 1; } else { $pidctr{$pid} = $pidctr{$pid} + 1; $func = "wait_" . $pid . "_" . $pidctr{$pid}; } if ($done == 0) { $start{$func} = $1; $type{$func} = 1; if ($1 < $firsttime) { $firsttime = $1; } } $pids{$func} = $pid; $count = $count + 1; } if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_\.]+)\+.*returned/) { if ($done == 0) { $end{$2} = $1; $maxtime = $1; } } if ($line =~ /([0-9\.]+)\] async_continuing @ ([0-9]+)/) { my $pid = $2; my $func = "wait_" . $pid . "_" . $pidctr{$pid}; $end{$func} = $1; $maxtime = $1; } if ($line =~ /Write protecting the/) { $done = 1; } if ($line =~ /Freeing unused kernel memory/) { $done = 1; }} if ($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.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; $styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";$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 %rows;my $rowscount = 1;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); my $pid = $pids{$key}; if (!defined($rows{$pid})) { $rows{$pid} = $rowscount; $rowscount = $rowscount + 1; } $s = ($start{$key} - $firsttime) * $mult; $s2 = $s + 6; $s3 = $s + 1; $e = ($end{$key} - $firsttime) * $mult; $w = $e - $s; $y = $rows{$pid} * 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 topmy $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";
#!/usr/bin/perl
# 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>
#
# This script turns a dmesg output 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 kernel needs to be compiled with the
# CONFIG_PRINTK_TIME configuration option enabled, and with
# "initcall_debug" passed on the kernel command line.
#
# usage:
# dmesg | perl scripts/bootgraph.pl > output.svg
#
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;
my %type;
my $done = 0;
my $maxtime = 0;
my $firsttime = 99999;
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\_\.]+)\+/) {
my $func = $2;
if ($done == 0) {
$start{$func} = $1;
$type{$func} = 0;
if ($1 < $firsttime) {
$firsttime = $1;
}
}
if ($line =~ /\@ ([0-9]+)/) {
$pids{$func} = $1;
}
$count = $count + 1;
}
if ($line =~ /([0-9\.]+)\] async_waiting @ ([0-9]+)/) {
my $pid = $2;
my $func;
if (!defined($pidctr{$pid})) {
$func = "wait_" . $pid . "_1";
$pidctr{$pid} = 1;
} else {
$pidctr{$pid} = $pidctr{$pid} + 1;
$func = "wait_" . $pid . "_" . $pidctr{$pid};
}
if ($done == 0) {
$start{$func} = $1;
$type{$func} = 1;
if ($1 < $firsttime) {
$firsttime = $1;
}
}
$pids{$func} = $pid;
$count = $count + 1;
}
if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_\.]+)\+.*returned/) {
if ($done == 0) {
$end{$2} = $1;
$maxtime = $1;
}
}
if ($line =~ /([0-9\.]+)\] async_continuing @ ([0-9]+)/) {
my $pid = $2;
my $func = "wait_" . $pid . "_" . $pidctr{$pid};
$end{$func} = $1;
$maxtime = $1;
}
if ($line =~ /Write protecting the/) {
$done = 1;
}
if ($line =~ /Freeing unused kernel memory/) {
$done = 1;
}
}
if ($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.
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)";
$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 %rows;
my $rowscount = 1;
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);
my $pid = $pids{$key};
if (!defined($rows{$pid})) {
$rows{$pid} = $rowscount;
$rowscount = $rowscount + 1;
}
$s = ($start{$key} - $firsttime) * $mult;
$s2 = $s + 6;
$s3 = $s + 1;
$e = ($end{$key} - $firsttime) * $mult;
$w = $e - $s;
$y = $rows{$pid} * 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";