diff options
Diffstat (limited to 'scripts/bootgraph.pl')
| -rw-r--r-- | scripts/bootgraph.pl | 104 |
1 files changed, 93 insertions, 11 deletions
diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl index f0af9aa9b24..9ca667bcaee 100644 --- a/scripts/bootgraph.pl +++ b/scripts/bootgraph.pl @@ -38,21 +38,54 @@ # 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 = 100; +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\_]+)\+/) { + 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; } @@ -63,12 +96,40 @@ while (<>) { $count = $count + 1; } - if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_]+)\+.*returned/) { + 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/) { $done = 1; } @@ -81,14 +142,22 @@ if ($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=\"1000\" height=\"100%\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\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; @@ -105,8 +174,11 @@ $styles[9] = "fill:rgb(255,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(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 $mult = 950.0 / ($maxtime - $firsttime); -my $threshold = ($maxtime - $firsttime) / 60.0; +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; @@ -116,7 +188,7 @@ foreach my $key (@initcalls) { my $duration = $end{$key} - $start{$key}; if ($duration >= $threshold) { - my ($s, $s2, $e, $w, $y, $y2, $style); + my ($s, $s2, $s3, $e, $w, $y, $y2, $style); my $pid = $pids{$key}; if (!defined($rows{$pid})) { @@ -125,6 +197,7 @@ foreach my $key (@initcalls) { } $s = ($start{$key} - $firsttime) * $mult; $s2 = $s + 6; + $s3 = $s + 1; $e = ($end{$key} - $firsttime) * $mult; $w = $e - $s; @@ -137,8 +210,17 @@ foreach my $key (@initcalls) { $stylecounter = 0; }; - print "<rect x=\"$s\" width=\"$w\" y=\"$y\" height=\"145\" style=\"$style\"/>\n"; - print "<text transform=\"translate($s2,$y2) rotate(90)\">$key</text>\n"; + 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"; + } + } } } |