#!/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 cstate ftrace output into a SVG graphic that shows# historic C-state information### cat /sys/kernel/debug/tracing/trace | perl power.pl > out.svg# my @styles;my $base = 0; my @pstate_last;my @pstate_level; $styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";$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(0,25,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; print "<?xml version=\"1.0\" standalone=\"no\"?> \n";print "<svg width=\"10000\" height=\"100%\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n"; my $scale = 30000.0;while (<>) { my $line = $_; if ($line =~ /([0-9\.]+)\] CSTATE: Going to C([0-9]) on cpu ([0-9]+) for ([0-9\.]+)/) { if ($base == 0) { $base = $1; } my $time = $1 - $base; $time = $time * $scale; my $C = $2; my $cpu = $3; my $y = 400 * $cpu; my $duration = $4 * $scale; my $msec = int($4 * 100000)/100.0; my $height = $C * 20; $style = $styles[$C]; $y = $y + 140 - $height; $x2 = $time + 4; $y2 = $y + 4; print "<rect x=\"$time\" width=\"$duration\" y=\"$y\" height=\"$height\" style=\"$style\"/>\n"; print "<text transform=\"translate($x2,$y2) rotate(90)\">C$C $msec</text>\n"; } if ($line =~ /([0-9\.]+)\] PSTATE: Going to P([0-9]) on cpu ([0-9]+)/) { my $time = $1 - $base; my $state = $2; my $cpu = $3; if (defined($pstate_last[$cpu])) { my $from = $pstate_last[$cpu]; my $oldstate = $pstate_state[$cpu]; my $duration = ($time-$from) * $scale; $from = $from * $scale; my $to = $from + $duration; my $height = 140 - ($oldstate * (140/8)); my $y = 400 * $cpu + 200 + $height; my $y2 = $y+4; my $style = $styles[8]; print "<rect x=\"$from\" y=\"$y\" width=\"$duration\" height=\"5\" style=\"$style\"/>\n"; print "<text transform=\"translate($from,$y2)\">P$oldstate (cpu $cpu)</text>\n"; }; $pstate_last[$cpu] = $time; $pstate_state[$cpu] = $state; }} 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 cstate ftrace output into a SVG graphic that shows
# historic C-state information
#
#
# cat /sys/kernel/debug/tracing/trace | perl power.pl > out.svg
#
my @styles;
my $base = 0;
my @pstate_last;
my @pstate_level;
$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(0,25,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
print "<?xml version=\"1.0\" standalone=\"no\"?> \n";
print "<svg width=\"10000\" height=\"100%\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n";
my $scale = 30000.0;
while (<>) {
my $line = $_;
if ($line =~ /([0-9\.]+)\] CSTATE: Going to C([0-9]) on cpu ([0-9]+) for ([0-9\.]+)/) {
if ($base == 0) {
$base = $1;
}
my $time = $1 - $base;
$time = $time * $scale;
my $C = $2;
my $cpu = $3;
my $y = 400 * $cpu;
my $duration = $4 * $scale;
my $msec = int($4 * 100000)/100.0;
my $height = $C * 20;
$style = $styles[$C];
$y = $y + 140 - $height;
$x2 = $time + 4;
$y2 = $y + 4;
print "<rect x=\"$time\" width=\"$duration\" y=\"$y\" height=\"$height\" style=\"$style\"/>\n";
print "<text transform=\"translate($x2,$y2) rotate(90)\">C$C $msec</text>\n";
}
if ($line =~ /([0-9\.]+)\] PSTATE: Going to P([0-9]) on cpu ([0-9]+)/) {
my $time = $1 - $base;
my $state = $2;
my $cpu = $3;
if (defined($pstate_last[$cpu])) {
my $from = $pstate_last[$cpu];
my $oldstate = $pstate_state[$cpu];
my $duration = ($time-$from) * $scale;
$from = $from * $scale;
my $to = $from + $duration;
my $height = 140 - ($oldstate * (140/8));
my $y = 400 * $cpu + 200 + $height;
my $y2 = $y+4;
my $style = $styles[8];
print "<rect x=\"$from\" y=\"$y\" width=\"$duration\" height=\"5\" style=\"$style\"/>\n";
print "<text transform=\"translate($from,$y2)\">P$oldstate (cpu $cpu)</text>\n";
};
$pstate_last[$cpu] = $time;
$pstate_state[$cpu] = $state;
}
}
print "</svg>\n";