[thirdparty/kernel/linux.git] / scripts / bootgraph.pl

#!/usr/bin/env perl
# SPDX-License-Identifier: GPL-2.0-only

# Copyright 2008, Intel Corporation
#
# This file is part of the Linux kernel
#
# 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";
Commit	Line	Data
cb77f0d6	1	#!/usr/bin/env perl
c2e30119	2	# SPDX-License-Identifier: GPL-2.0-only
aa5d9151 AV	3
	4	# Copyright 2008, Intel Corporation
	5	#
	6	# This file is part of the Linux kernel
	7	#
aa5d9151 AV	8	# Authors:
	9	# Arjan van de Ven <arjan@linux.intel.com>
	10
	11
	12	#
	13	# This script turns a dmesg output into a SVG graphic that shows which
	14	# functions take how much time. You can view SVG graphics with various
	15	# programs, including Inkscape, The Gimp and Firefox.
	16	#
	17	#
	18	# For this script to work, the kernel needs to be compiled with the
	19	# CONFIG_PRINTK_TIME configuration option enabled, and with
	20	# "initcall_debug" passed on the kernel command line.
	21	#
	22	# usage:
	23	# dmesg \| perl scripts/bootgraph.pl > output.svg
	24	#
	25
2a813f8c	26	use strict;
67554faa FF	27	use Getopt::Long;
	28	my $header = 0;
	29
	30	sub help {
	31	my $text = << "EOM";
	32	Usage:
	33	1) dmesg \| perl scripts/bootgraph.pl [OPTION] > output.svg
	34	2) perl scripts/bootgraph.pl -h
	35
	36	Options:
	37	-header Insert kernel version and date
	38	EOM
	39	my $std=shift;
	40	if ($std == 1) {
	41	print STDERR $text;
	42	} else {
	43	print $text;
	44	}
	45	exit;
	46	}
	47
	48	GetOptions(
	49	'h\|help' =>\&help,
	50	'header' =>\$header
	51	);
2a813f8c AJ	52
	53	my %start;
	54	my %end;
d3f8ddea	55	my %type;
aa5d9151	56	my $done = 0;
aa5d9151	57	my $maxtime = 0;
c443453c	58	my $firsttime = 99999;
aa5d9151	59	my $count = 0;
ddc7a01a	60	my %pids;
d3f8ddea	61	my %pidctr;
ddc7a01a	62
67554faa FF	63	my $headerstep = 20;
	64	my $xheader = 15;
	65	my $yheader = 25;
	66	my $cyheader = 0;
	67
aa5d9151 AV	68	while (<>) {
aa5d9151 AV	69	my $line = $_;
0bb98e23	70	if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z0-9\_\.]+)\+/) {
aa5d9151 AV	71	my $func = $2;
	72	if ($done == 0) {
	73	$start{$func} = $1;
d3f8ddea	74	$type{$func} = 0;
80a398a5 AV	75	if ($1 < $firsttime) {
	76	$firsttime = $1;
	77	}
aa5d9151	78	}
aa5d9151	79	if ($line =~ /\@ ([0-9]+)/) {
ddc7a01a	80	$pids{$func} = $1;
aa5d9151 AV	81	}
	82	$count = $count + 1;
	83	}
	84
d3f8ddea AV	85	if ($line =~ /([0-9\.]+)\] async_waiting @ ([0-9]+)/) {
	86	my $pid = $2;
	87	my $func;
	88	if (!defined($pidctr{$pid})) {
	89	$func = "wait_" . $pid . "_1";
	90	$pidctr{$pid} = 1;
	91	} else {
	92	$pidctr{$pid} = $pidctr{$pid} + 1;
	93	$func = "wait_" . $pid . "_" . $pidctr{$pid};
	94	}
	95	if ($done == 0) {
	96	$start{$func} = $1;
	97	$type{$func} = 1;
	98	if ($1 < $firsttime) {
	99	$firsttime = $1;
	100	}
	101	}
	102	$pids{$func} = $pid;
	103	$count = $count + 1;
	104	}
	105
0bb98e23	106	if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_\.]+)\+.*returned/) {
aa5d9151 AV	107	if ($done == 0) {
	108	$end{$2} = $1;
	109	$maxtime = $1;
	110	}
	111	}
d3f8ddea AV	112
	113	if ($line =~ /([0-9\.]+)\] async_continuing @ ([0-9]+)/) {
	114	my $pid = $2;
	115	my $func = "wait_" . $pid . "_" . $pidctr{$pid};
	116	$end{$func} = $1;
	117	$maxtime = $1;
	118	}
aa5d9151 AV	119	if ($line =~ /Write protecting the/) {
	120	$done = 1;
	121	}
80a398a5 AV	122	if ($line =~ /Freeing unused kernel memory/) {
	123	$done = 1;
	124	}
aa5d9151 AV	125	}
	126
	127	if ($count == 0) {
d1aaf8cf SH	128	print STDERR <<END;
	129	No data found in the dmesg. Make sure that 'printk.time=1' and
	130	'initcall_debug' are passed on the kernel command line.
d1aaf8cf	131	END
67554faa	132	help(1);
d1aaf8cf	133	exit 1;
aa5d9151 AV	134	}
	135
	136	print "<?xml version=\"1.0\" standalone=\"no\"?> \n";
40c8c85a	137	print "<svg width=\"2000\" height=\"100%\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n";
aa5d9151	138
67554faa FF	139
	140	if ($header) {
	141	my $version = `uname -a`;
	142	my $date = `date`;
	143	print "<text transform=\"translate($xheader,$yheader)\">Kernel version: $version</text>\n";
	144	$cyheader = $yheader+$headerstep;
	145	print "<text transform=\"translate($xheader,$cyheader)\">Date: $date</text>\n";
	146	}
	147
aa5d9151 AV	148	my @styles;
	149
	150	$styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	151	$styles[1] = "fill:rgb(0,255,0);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	152	$styles[2] = "fill:rgb(255,0,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	153	$styles[3] = "fill:rgb(255,255,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	154	$styles[4] = "fill:rgb(255,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	155	$styles[5] = "fill:rgb(0,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	156	$styles[6] = "fill:rgb(0,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	157	$styles[7] = "fill:rgb(0,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	158	$styles[8] = "fill:rgb(255,0,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	159	$styles[9] = "fill:rgb(255,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	160	$styles[10] = "fill:rgb(255,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	161	$styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
	162
d3f8ddea AV	163	my $style_wait = "fill:rgb(128,128,128);fill-opacity:0.5;stroke-width:0;stroke:rgb(0,0,0)";
d3f8ddea AV	164
40c8c85a AV	165	my $mult = 1950.0 / ($maxtime - $firsttime);
	166	my $threshold2 = ($maxtime - $firsttime) / 120.0;
	167	my $threshold = $threshold2/10;
aa5d9151	168	my $stylecounter = 0;
ddc7a01a FW	169	my %rows;
ddc7a01a FW	170	my $rowscount = 1;
06d1cd26	171	my @initcalls = sort { $start{$a} <=> $start{$b} } keys(%start);
68f96c0c SH	172
68f96c0c SH	173	foreach my $key (@initcalls) {
aa5d9151 AV	174	my $duration = $end{$key} - $start{$key};
	175
	176	if ($duration >= $threshold) {
40c8c85a	177	my ($s, $s2, $s3, $e, $w, $y, $y2, $style);
2a813f8c	178	my $pid = $pids{$key};
07d18904 FW	179
	180	if (!defined($rows{$pid})) {
	181	$rows{$pid} = $rowscount;
	182	$rowscount = $rowscount + 1;
	183	}
06d1cd26	184	$s = ($start{$key} - $firsttime) * $mult;
aa5d9151	185	$s2 = $s + 6;
40c8c85a	186	$s3 = $s + 1;
80a398a5	187	$e = ($end{$key} - $firsttime) * $mult;
aa5d9151 AV	188	$w = $e - $s;
aa5d9151 AV	189
ddc7a01a	190	$y = $rows{$pid} * 150;
aa5d9151 AV	191	$y2 = $y + 4;
	192
	193	$style = $styles[$stylecounter];
	194	$stylecounter = $stylecounter + 1;
	195	if ($stylecounter > 11) {
	196	$stylecounter = 0;
	197	};
	198
d3f8ddea AV	199	if ($type{$key} == 1) {
	200	$y = $y + 15;
	201	print "<rect x=\"$s\" width=\"$w\" y=\"$y\" height=\"115\" style=\"$style_wait\"/>\n";
40c8c85a	202	} else {
d3f8ddea AV	203	print "<rect x=\"$s\" width=\"$w\" y=\"$y\" height=\"145\" style=\"$style\"/>\n";
	204	if ($duration >= $threshold2) {
	205	print "<text transform=\"translate($s2,$y2) rotate(90)\">$key</text>\n";
	206	} else {
	207	print "<text transform=\"translate($s3,$y2) rotate(90)\" font-size=\"3pt\">$key</text>\n";
	208	}
40c8c85a	209	}
aa5d9151 AV	210	}
	211	}
	212
	213
	214	# print the time line on top
80a398a5 AV	215	my $time = $firsttime;
80a398a5 AV	216	my $step = ($maxtime - $firsttime) / 15;
aa5d9151	217	while ($time < $maxtime) {
2a813f8c	218	my $s3 = ($time - $firsttime) * $mult;
80a398a5	219	my $tm = int($time * 100) / 100.0;
2a813f8c	220	print "<text transform=\"translate($s3,89) rotate(90)\">$tm</text>\n";
80a398a5	221	$time = $time + $step;
aa5d9151 AV	222	}
	223
	224	print "</svg>\n";