/
DataDrawer.pl
executable file
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DataDrawer.pl
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#!/usr/bin/perl
=head1
This is a data drawer using Gnuplot.
mailme: xzpeter@gmail.com
=cut
use warnings;
use strict;
use Term::Menus;
use Data::Dumper;
use Term::ANSIColor;
use Chart::Gnuplot;
use Carp::Assert;
use Storable qw/dclone/;
$|++;
# split_data should like:
# $VAR1 = [
# [
# '128',
# '16384',
# 'randread',
# '0.96',
# '0.00',
# '142405.42',
# '72928',
# '2.56',
# '0.00',
# '0',
# '0',
# '1048576',
# '0',
# '0',
# '21.31',
# '0',
# '898',
# '14378'
# ],
#...
# ]
our (@csv_data, @split_data, $header, @vars, @results, %vars_range, $vars_n);
# these are user selected vars/res to draw graph
our ($x1, $x2, $y1) = (0, 1, 13);
# the default fix point of vars
our (@vars_def);
# indexes of vars/results
our (%indexes);
sub usage () {
print "
usage: __FILE__ <csv_file>
Here the csv_file should satisfy the following:
1. the first row puts the names of variables/results
2. have an empty column between variables and results.
Please check sas-15k-data.csv for example.
";
exit (0);
}
sub array_index($$) {
my ($arr, $thing) = @_;
return grep {$arr->[$_] eq $thing} (0..$#{$arr});
}
sub format_number ($) {
my $s = shift;
my %h = (
"b" => 1,
"k" => 1<<10,
"m" => 1<<20,
"g" => 1<<30,
"t" => 1<<40,
"p" => 1<<50,
);
my $e = join "", keys %h;
if ($s =~ /([\d.]+)([$e])/) {
$s = $1 * $h{$2};
}
return $s;
}
sub parse_header () {
our ($header, @vars, @results);
chomp $header;
my ($varstr, $resstr) = split /,,/, $header;
@vars = split /,/, $varstr;
@results = split /,/, $resstr;
# init the %indexes hash
my $cnt = 0;
$indexes{$_} = $cnt++ for (@vars);
$indexes{$_} = $cnt++ for (@results);
$vars_n = scalar @vars;
}
# parse the file
sub parse_data () {
our (@csv_data);
$vars_range{$_} = [] foreach (@vars);
my $cnt = 0;
foreach (@csv_data) {
chomp;
$_ = lc $_;
my ($varstr, $resstr) = split /,,/;
my @v_val = split /,/, $varstr;
my @r_val = split /,/, $resstr;
# data line check:
# each line should have same vars/results with header
$#v_val == $#vars and $#r_val == $#results
or die "data not match with headers!";
my $n = $#vars;
foreach (0..$n) {
my $val = $v_val[$_];
my $val_list = $vars_range{$vars[$_]};
push (@{$val_list}, $val) if not grep /^$val$/, @{$val_list};
}
my $entry = [@v_val, @r_val];
$_ = format_number($_) for (@$entry);
push @split_data, $entry;
}
# print Dumper \%vars_range;
}
sub set_defaults () {
foreach (0..$#vars) {
$vars_def[$_] = ${$vars_range{$vars[$_]}}[0];
}
}
sub _g ($) {
colored shift, "bold green";
}
sub _r ($) {
colored shift, "bold red";
}
sub _u ($) {
colored shift, "underline";
}
# load the file
usage() if scalar @ARGV != 1;
my $csv_data_file = $ARGV[0];
open my $file, "<$csv_data_file" or die "Failed open file $csv_data_file: $!";
@csv_data = <$file>;
close $file;
$header = shift @csv_data;
# parse data and header, any preparation works
parse_header();
parse_data();
set_defaults();
sub handle_set_fix_point () {
my $title = "Which variable do you want to set?";
my $v = pick(\@vars, $title);
return if $v =~ /quit/i;
print "Set default value for $v (".join(",",@{$vars_range{$v}})."): ";
my $val = <STDIN>; chomp $val;
foreach (0..$#vars) {
if ($v eq $vars[$_]) {
if (grep /$val/, @{$vars_range{$v}}) {
$vars_def[$_] = $val;
} else {
print _r("Cannot set $v to this! Using previous one!\n");
sleep 1;
}
last;
}
}
}
sub handle_set_first_var () {
my $sel = pick (\@vars, "Which vars to choose for X1? ");
return if $sel =~ /quit/i;
($x1) = grep {$vars[$_] eq $sel} 0..$#vars;
}
sub handle_set_second_var () {
my $sel = pick (\@vars, "Which vars to choose for X2? ");
return if $sel =~ /quit/i;
($x2) = grep {$vars[$_] eq $sel} 0..$#vars;
}
sub handle_set_first_result () {
my $sel = pick (\@results, "Which vars to choose for Y1? ");
return if $sel =~ /quit/i;
($y1) = grep {$results[$_] eq $sel} 0..$#results;
}
sub not_implemented () {
print "Not implemented currently!\n";
sleep 1;
}
# this will create a new array with filtered data
sub filter_data (@) {
my %goals = @_;
return grep {
my $ok = 1;
for my $key (keys %goals) {
if ($_->[$indexes{$key}] ne format_number($goals{$key})) {
$ok = 0;
last;
}
}
$ok
} @split_data;
}
our $output = "output.png";
sub draw_x_y ($) {
my $data = shift;
# Create chart object and specify the properties of the chart
my $chart = Chart::Gnuplot->new(
title => $results[$y1] . " result",
xlabel => $vars[$x1],
ylabel => $results[$y1],
xtics => {
mirror => "on",
},
ytics => {
mirror => "on",
},
x2tics => "on",
y2tics => "on",
grid => "on",
output => $output,
imagesize => "2, 2",
);
# Create dataset object and specify the properties of the dataset
my $dset = Chart::Gnuplot::DataSet->new(
points => $data,
# title => "IOPS",
style => "linespoints",
width => 2,
# color => "red",
);
# Plot the data set on the chart
$chart->plot2d($dset);
`eog $output`;
}
sub handle_draw_x_y () {
my @requires = ();
for (0..$#vars) {
next if $x1 == $_;
@requires = (@requires, $vars[$_], $vars_def[$_]);
}
my @data = filter_data(@requires);
my @points = sort {$a->[0] <=> $b->[0]} map {[$_->[$x1], $_->[$vars_n+$y1]]} @data;
draw_x_y(\@points);
}
sub assert_type ($$) {
assert ((ref $_[0]) eq $_[1]);
}
=head3 draw_2x_y
This is a wrapper to draw 2x-y data sets. Params are:
$title: the title of the graph
$x_name: the name of x-axia of the graph
$y_name: the name of y-axis
$data_sets: should be something like this:
{
"x2=a1" => [[x1,y1], [x2,y2], ...],
"x2=a2" => [[x1,y1], [x2,y2], ...],
...
"x2=am" => [[x1,y1], [x2,y2], ...],
}
=cut
sub draw_2x_y ($$$$) {
my ($title, $x_name, $y_name, $data_sets) = @_;
assert_type ($data_sets, "HASH");
# Create chart object and specify the properties of the chart
my $chart = Chart::Gnuplot->new(
title => $title,
xlabel => $x_name,
ylabel => $y_name,
xtics => {
mirror => "on",
},
ytics => {
mirror => "on",
},
x2tics => "on",
y2tics => "on",
grid => "on",
output => $output,
imagesize => "2, 2",
# legend => {
# position => "top right",
# width => 20,
# height => 15,
# align => "right",
# order => "horizontal reverse",
# title => "Title of the legend",
# sample => {
# length => 50,
# position => "left",
# spacing => 5,
# },
# border => {
# linetype => 1,
# width => 2,
# color => "black",
# },
# },
);
# Create dataset object and specify the properties of the dataset
my @dsets = ();
foreach my $case (keys %$data_sets) {
my $dset = Chart::Gnuplot::DataSet->new(
points => $data_sets->{$case},
# title => "IOPS",
style => "linespoints",
width => 2,
# color => "red",
);
push @dsets, $dset;
}
# Plot the data set on the chart
$chart->plot2d(@dsets);
`eog $output`;
}
sub handle_draw_2x_y () {
my @requires = ();
for (0..$#vars) {
next if $x1 == $_ or $x2 == $_;
@requires = (@requires, $vars[$_], $vars_def[$_]);
}
my @data = filter_data(@requires);
my %data_sets;
foreach my $line (@data) {
my ($x1v, $x2v, $rv) = ($line->[$x1], $line->[$x2], $line->[$vars_n+$y1]);
my $key = $vars[$x2]."=$x2v";
$data_sets{$key} = [] if not defined $data_sets{$key};
push @{$data_sets{$key}}, [$x1v, $rv];
}
foreach my $cond (keys %data_sets) {
my @sorted = sort {$a->[0] <=> $b->[0]} @{$data_sets{$cond}};
$data_sets{$cond} = dclone (\@sorted);
}
draw_2x_y($results[$y1] . " Results", $vars[$x1], $results[$y1], \%data_sets);
}
sub handle_draw_graph () {
my @menu = (
"X-Y graph",
"2X-Y graph",
"X-2Y graph",
);
my @handles = (
\&handle_draw_x_y,
\&handle_draw_2x_y,
# \&handle_draw_x_2y,
# \¬_implemented,
# \¬_implemented,
\¬_implemented,
);
my $sel = pick (\@menu, "What type of graph do you want to plot?");
foreach (0..$#menu) {
my $str = substr $menu[$_], 0, 5;
if ($sel =~ /^$str/) {
$handles[$_]->();
last;
}
}
}
sub handle_main_menu () {
my $title = "Please select options:";
my @handlers = (
\&handle_set_fix_point,
\&handle_set_first_var,
\&handle_set_second_var,
\&handle_set_first_result,
\&handle_draw_graph,
);
my @menu = (
"Set variable fix point (".
(join(",", map {_g($vars[$_])."=".$vars_def[$_]} (0..$#vars))).") ->",
"Select first variable (as X1) ("._g($vars[$x1]).") ->",
"Select second variable (as X2) ("._g($vars[$x2]).") ->",
"Select first result ("._r($results[$y1]).") ->",
"Draw graph using these params ->",
);
my $opt = &pick (\@menu, $title);
foreach (0..$#menu) {
my $str = substr $menu[$_], 0, 18;
if ($opt =~ /^$str/) {
$handlers[$_]->();
last;
}
}
exit if $opt =~ /quit/;
}
# this is the main loop of menu selections
while (1) {
handle_main_menu();
}