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Name	Size	Permission	Date
atomic	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
basic	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
clang-tools	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
coccinelle	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
dtc	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
dummy-tools	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
gcc-plugins	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
gdb	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
genksyms	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
kconfig	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
ksymoops	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
mod	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
package	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
selinux	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
tracing	[ DIR ]	drwxr-xr-x	2025-05-06 06:30
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Kconfig.include	2.65 KB	-rw-r--r--	2025-04-15 13:08
Lindent	502 B	-rwxr-xr-x	2024-03-10 20:38
Makefile	1.87 KB	-rw-r--r--	2024-03-10 20:38
Makefile.asm-generic	1.82 KB	-rw-r--r--	2024-03-10 20:38
Makefile.btf	638 B	-rw-r--r--	2024-03-10 20:38
Makefile.build	17.2 KB	-rw-r--r--	2025-04-15 13:08
Makefile.clang	1.61 KB	-rw-r--r--	2024-03-10 20:38
Makefile.clean	1.87 KB	-rw-r--r--	2024-03-10 20:38
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Makefile.extrawarn	7.1 KB	-rw-r--r--	2025-04-15 13:08
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Makefile.host	5.91 KB	-rw-r--r--	2024-03-10 20:38
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Makefile.ubsan	779 B	-rw-r--r--	2024-03-10 20:38
Makefile.userprogs	1.59 KB	-rw-r--r--	2024-03-10 20:38
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as-version.sh	2.03 KB	-rwxr-xr-x	2024-03-10 20:38
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asn1_compiler.c	35.32 KB	-rw-r--r--	2024-03-10 20:38
bloat-o-meter	3.77 KB	-rwxr-xr-x	2024-03-10 20:38
bootgraph.pl	5.64 KB	-rwxr-xr-x	2024-03-10 20:38
bpf_doc.py	31.73 KB	-rwxr-xr-x	2025-04-15 13:08
cc-can-link.sh	166 B	-rwxr-xr-x	2024-03-10 20:38
cc-version.sh	1.36 KB	-rwxr-xr-x	2024-03-10 20:38
check-git	298 B	-rwxr-xr-x	2024-03-10 20:38
check-sysctl-docs	3.66 KB	-rwxr-xr-x	2024-03-10 20:38
check-uapi.sh	15.05 KB	-rwxr-xr-x	2024-03-10 20:38
check_extable.sh	4.93 KB	-rwxr-xr-x	2024-03-10 20:38
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checkpatch.pl	233.78 KB	-rwxr-xr-x	2025-04-15 13:08
checkstack.pl	5.96 KB	-rwxr-xr-x	2024-03-10 20:38
checksyscalls.sh	7.51 KB	-rwxr-xr-x	2024-03-10 20:38
checkversion.pl	2.16 KB	-rwxr-xr-x	2024-03-10 20:38
cleanfile	3.46 KB	-rwxr-xr-x	2024-03-10 20:38
cleanpatch	5.06 KB	-rwxr-xr-x	2024-03-10 20:38
coccicheck	7.9 KB	-rwxr-xr-x	2024-03-10 20:38
config	4.67 KB	-rwxr-xr-x	2024-03-10 20:38
const_structs.checkpatch	1.4 KB	-rw-r--r--	2024-03-10 20:38
decode_stacktrace.sh	7.58 KB	-rwxr-xr-x	2024-03-10 20:38
decodecode	4.86 KB	-rwxr-xr-x	2024-03-10 20:38
depmod.sh	697 B	-rwxr-xr-x	2024-03-10 20:38
dev-needs.sh	6.07 KB	-rwxr-xr-x	2024-03-10 20:38
diffconfig	4.12 KB	-rwxr-xr-x	2024-03-10 20:38
documentation-file-ref-check	5.67 KB	-rwxr-xr-x	2024-03-10 20:38
export_report.pl	4.5 KB	-rwxr-xr-x	2024-03-10 20:38
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extract-sys-certs.pl	3.75 KB	-rwxr-xr-x	2024-03-10 20:38
extract-vmlinux	1.66 KB	-rwxr-xr-x	2024-03-10 20:38
extract_xc3028.pl	44.62 KB	-rwxr-xr-x	2024-03-10 20:38
faddr2line	8.63 KB	-rwxr-xr-x	2024-03-10 20:38
file-size.sh	86 B	-rwxr-xr-x	2024-03-10 20:38
find-unused-docs.sh	1.27 KB	-rwxr-xr-x	2024-03-10 20:38
gcc-x86_32-has-stack-protector.sh	405 B	-rwxr-xr-x	2025-04-15 13:08
gcc-x86_64-has-stack-protector.sh	195 B	-rwxr-xr-x	2025-04-15 13:08
gen-randstruct-seed.sh	228 B	-rwxr-xr-x	2024-03-10 20:38
generate_initcall_order.pl	5.95 KB	-rwxr-xr-x	2024-03-10 20:38
generate_rust_analyzer.py	4.8 KB	-rwxr-xr-x	2024-03-10 20:38
generate_rust_target.rs	5.58 KB	-rw-r--r--	2024-03-10 20:38
get_abi.pl	25.36 KB	-rwxr-xr-x	2024-03-10 20:38
get_dvb_firmware	24.54 KB	-rwxr-xr-x	2024-03-10 20:38
get_feat.pl	14.61 KB	-rwxr-xr-x	2024-03-10 20:38
get_maintainer.pl	67.63 KB	-rwxr-xr-x	2024-03-10 20:38
gfp-translate	2.08 KB	-rwxr-xr-x	2025-04-15 13:08
git.orderFile	564 B	-rw-r--r--	2024-03-10 20:38
head-object-list.txt	1.36 KB	-rw-r--r--	2024-03-10 20:38
headerdep.pl	3.5 KB	-rwxr-xr-x	2024-03-10 20:38
headers_install.sh	2.76 KB	-rwxr-xr-x	2024-03-10 20:38
insert-sys-cert	21.46 KB	-rwxr-xr-x	2025-04-15 13:08
insert-sys-cert.c	13.08 KB	-rw-r--r--	2025-04-15 13:08
install.sh	986 B	-rwxr-xr-x	2024-03-10 20:38
jobserver-exec	2.56 KB	-rwxr-xr-x	2024-03-10 20:38
kallsyms	21.63 KB	-rwxr-xr-x	2025-04-15 13:08
kallsyms.c	17.75 KB	-rw-r--r--	2025-04-15 13:08
kernel-doc	77.13 KB	-rwxr-xr-x	2025-04-15 13:08
ld-version.sh	1.82 KB	-rwxr-xr-x	2025-04-15 13:08
leaking_addresses.pl	12.84 KB	-rwxr-xr-x	2024-03-10 20:38
link-vmlinux.sh	7.66 KB	-rwxr-xr-x	2025-04-15 13:08
makelst	808 B	-rwxr-xr-x	2024-03-10 20:38
markup_oops.pl	7.92 KB	-rwxr-xr-x	2024-03-10 20:38
min-tool-version.sh	630 B	-rwxr-xr-x	2025-04-15 13:08
misc-check	509 B	-rwxr-xr-x	2024-03-10 20:38
mkcompile_h	642 B	-rwxr-xr-x	2024-03-10 20:38
mksysmap	2.08 KB	-rwxr-xr-x	2025-04-15 13:08
mkuboot.sh	414 B	-rwxr-xr-x	2024-03-10 20:38
module.lds	615 B	-rw-r--r--	2025-04-15 13:08
module.lds.S	1.43 KB	-rw-r--r--	2025-04-15 13:08
modules-check.sh	443 B	-rwxr-xr-x	2024-03-10 20:38
nsdeps	1.63 KB	-rw-r--r--	2024-03-10 20:38
objdiff	2.83 KB	-rwxr-xr-x	2024-03-10 20:38
objdump-func	848 B	-rwxr-xr-x	2024-03-10 20:38
orc_hash.sh	316 B	-rw-r--r--	2024-03-10 20:38
pahole-version.sh	269 B	-rwxr-xr-x	2024-03-10 20:38
parse-maintainers.pl	4.54 KB	-rwxr-xr-x	2024-03-10 20:38
patch-kernel	9.95 KB	-rwxr-xr-x	2024-03-10 20:38
profile2linkerlist.pl	414 B	-rwxr-xr-x	2024-03-10 20:38
prune-kernel	912 B	-rwxr-xr-x	2024-03-10 20:38
recordmcount.c	17.51 KB	-rw-r--r--	2024-03-10 20:38
recordmcount.h	19.37 KB	-rw-r--r--	2024-03-10 20:38
recordmcount.pl	17.34 KB	-rwxr-xr-x	2024-03-10 20:38
relocs_check.sh	717 B	-rwxr-xr-x	2024-03-10 20:38
remove-stale-files	1.29 KB	-rwxr-xr-x	2024-03-10 20:38
rust_is_available.sh	9.48 KB	-rwxr-xr-x	2025-04-15 13:08
rust_is_available_bindgen_libclang.h	91 B	-rw-r--r--	2024-03-10 20:38
rust_is_available_test.py	17.7 KB	-rwxr-xr-x	2024-03-10 20:38
rustdoc_test_builder.rs	3.25 KB	-rw-r--r--	2024-03-10 20:38
rustdoc_test_gen.rs	9.48 KB	-rw-r--r--	2024-03-10 20:38
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xz_wrap.sh	516 B	-rwxr-xr-x	2024-03-10 20:38

Rename

#!/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";