/[ps-trend]/ps2rrd.pl
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Annotation of /ps2rrd.pl

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Revision 8 - (hide annotations)
Thu Jul 16 19:20:07 2009 UTC (10 years, 4 months ago) by dpavlin
File MIME type: text/plain
File size: 2228 byte(s)
speedup column extractor from 8.57s to 5.45s for 549413 iterations

1 dpavlin 2 #!/usr/bin/perl
2    
3     use warnings;
4     use strict;
5    
6     use Data::Dump qw/dump/;
7     use RRD::Simple;
8     use DateTime;
9    
10 dpavlin 6 my $debug = 0;
11     my $zoom = 2;
12    
13 dpavlin 2 my $veids;
14     my $vsz;
15    
16 dpavlin 6 my $too_small = 16; # M
17 dpavlin 2 $too_small *= 1024; # k
18    
19     sub count {
20     my $file = shift;
21     open(my $fh, '<', $file) || die "$file: $!";
22    
23 dpavlin 6 print STDERR ".";
24    
25     my $t = (stat($file))[9];
26     if ( $file =~ m{(\d\d\d\d)-(\d\d)-(\d\d)/(\d\d)(\d\d)} ) {
27     $t = new DateTime(
28     year => $1,
29     month => $2,
30     day => $3,
31     hour => $4,
32     minute => $5,
33     )->epoch;
34     }
35    
36     warn "# $file ", -s $file, " bytes [$t]\n" if $debug;
37    
38 dpavlin 2 my $cols = <$fh>;
39     $cols =~ s/^\s+//;
40     my @c = split(/\s+/,$cols);
41     # warn "# c = ",dump( @c );
42     our $cp;
43     $cp->{$c[$_]} = $_ foreach 0 .. $#c;
44     our @r;
45     sub c {
46 dpavlin 8 return $r[ $cp->{$_[0]} ]; # XXX speedup
47    
48 dpavlin 2 my $name = shift;
49     my $n = $cp->{$name};
50     die "no column $name in ",dump( $cp ) unless defined $n;
51     return $r[$n];
52     }
53    
54     while(<$fh>) {
55     chomp;
56     s/^\s+//g;
57     s/\s+$//g;
58     @r = split(/\s+/, $_, $#c + 1 );
59    
60     my $veid = c('VEID');
61     $veid =~ s/^0$/hw/;
62    
63     my $s = c('VSZ');
64     if ( $s < $too_small ) {
65 dpavlin 6 $vsz->{$t}->{$veid}+= $s * 1024;
66 dpavlin 2 } else {
67     my $cmd = c('COMMAND');
68     $cmd =~ s{-.+$}{};
69     $cmd =~ s{^/\S+/(\w+?)}{$1};
70     $cmd =~ s{^\w+ /\S+/(\w+?)}{$1};
71     $cmd =~ s{:?\s+.*$}{};
72     $cmd =~ s{\W+}{_}g;
73     $veid .= '-' . $cmd;
74     $veid = substr($veid,0,16);
75 dpavlin 6 $vsz->{$t}->{$veid}+= $s * 1024;
76 dpavlin 2 }
77     $veids->{$veid}++;
78     }
79    
80     }
81    
82 dpavlin 6 print STDERR "reading ps dumps";
83    
84 dpavlin 2 count $_ foreach @ARGV;
85    
86 dpavlin 6 #print "VSZ: ",dump( $vsz );
87 dpavlin 2
88     my @veids = keys %$veids;
89     warn "# veids = ",dump( sort @veids );
90    
91 dpavlin 6 my $rrd_file = 'ps.rrd';
92     unlink $rrd_file if -e $rrd_file;
93    
94     my $rrd = RRD::Simple->new( file => $rrd_file );
95 dpavlin 2 $rrd->create( 'hour', map { ( $_ => 'GAUGE' ) } @veids );
96    
97 dpavlin 6 foreach my $t ( sort keys %$vsz ) {
98     print STDERR ".";
99     # warn "## ",dump( %{ $vsz->{$t} } );
100 dpavlin 2
101     eval {
102 dpavlin 6 $rrd->update($t, map {
103     ( $_ => $vsz->{$t}->{$_} )
104 dpavlin 2 } @veids );
105     };
106     warn "SKIP $t: $@\n" if $@;
107     }
108    
109     $rrd->graph(
110     sources => [ sort @veids ],
111     source_drawtypes => [ map { $_ ? 'STACK' : 'AREA' } 0 .. $#veids ],
112     periods => [ qw/hour 6hour 12hour day week month year 3years/ ],
113     extended_legend => 1,
114     title => "memory > $too_small K",
115 dpavlin 6 width => 500 * $zoom,
116     height => 200 * $zoom,
117 dpavlin 2 );
118    

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