--- ps2rrd.pl	2009/07/14 22:41:33	2
+++ ps2rrd.pl	2009/07/17 13:43:41	12
@@ -5,18 +5,35 @@
 
 use Data::Dump qw/dump/;
 use RRD::Simple;
-use DateTime;
+use POSIX qw/mktime/;
+use Getopt::Long;
+
+my $debug = 0;
+my $zoom = 2;
+
+my $only_veid;
+my $too_small = 64;	# M
+
+GetOptions(
+	'debug!'   => \$debug,
+	'zoom=i'   => \$zoom,
+	'veid=i'   => \$only_veid,
+	'size=i'   => \$too_small,
+);
+
 
 my $veids;
 my $vsz;
 
-my $too_small = 64;	# M
 $too_small *= 1024; # k
 
 sub count {
 	my $file = shift;
 	open(my $fh, '<', $file) || die "$file: $!";
-	warn "# $file ", -s $file, $/;
+
+	my $t = mktime( 0, $5, $4, $3, $2 - 1, $1 - 1900 ) if $file =~ m{(\d\d\d\d)-(\d\d)-(\d\d)/(\d\d)(\d\d)};
+
+	warn "# $file ", -s $file, " bytes [$t]\n" if $debug;
 
 	my $cols = <$fh>;
 	$cols =~ s/^\s+//;
@@ -26,6 +43,8 @@
 	$cp->{$c[$_]} = $_ foreach 0 .. $#c;
 	our @r;
 	sub c {
+		return $r[ $cp->{$_[0]} ];	# XXX speedup
+
 		my $name = shift;
 		my $n = $cp->{$name};
 		die "no column $name in ",dump( $cp ) unless defined $n;
@@ -39,11 +58,13 @@
 		@r = split(/\s+/, $_, $#c + 1 );
 
 		my $veid = c('VEID');
-		$veid =~ s/^0$/hw/;
+		next if defined $only_veid && $only_veid != $veid;
+		$veid =~ s/^0$/0-hw/;
 
 		my $s = c('VSZ');
 		if ( $s < $too_small ) {
-			$vsz->{$file}->{$veid}+= $s * 1024;
+			$vsz->{$t}->{$veid}+= $s * 1024;
+			print STDERR ".";
 		} else {
 			my $cmd = c('COMMAND');
 			$cmd =~ s{-.+$}{};
@@ -53,41 +74,40 @@
 			$cmd =~ s{\W+}{_}g;
 			$veid .= '-' . $cmd;
 			$veid = substr($veid,0,16);
-			$vsz->{$file}->{$veid}+= $s * 1024;
+			$vsz->{$t}->{$veid}+= $s * 1024;
+			print STDERR substr($cmd,0,1);
 		}
 		$veids->{$veid}++;
 	}
 
 }
 
+print STDERR "parsing ps with grouping < $too_small k";
+
 count $_ foreach @ARGV;
 
-print "VSZ: ",dump( $vsz );
+#print "VSZ: ",dump( $vsz );
 
-my @veids = keys %$veids;
-warn "# veids = ",dump( sort @veids );
+my @veids = sort keys %$veids;
+warn "# veids = ",dump( @veids );
 
-my $rrd = RRD::Simple->new( file => "ps.rrd" );
-$rrd->create( 'hour', map { ( $_ => 'GAUGE' ) } @veids );
+my $rrd_file = 'ps.rrd';
+unlink $rrd_file if -e $rrd_file;
 
-foreach my $file ( sort keys %$vsz ) {
-	my $t = (stat($file))[9];
-	if ( $file =~ m{(\d\d\d\d)-(\d\d)-(\d\d)/(\d\d)(\d\d)} ) {
-		$t = new DateTime(
-			year   => $1,
-			month  => $2,
-			day    => $3,
-			hour   => $4,
-			minute => $5,
-		);
-		warn "+ $t\n";
-	}
+my @t = sort keys %$vsz;
+
+print "\ndrawing $#t intervals ", $t[0], " - ", $t[$#t];
+
+my $rrd = RRD::Simple->new( file => $rrd_file );
+$rrd->create( map { ( $_ => 'GAUGE' ) } @veids );
 
-	#warn "## ",dump( %{ $vsz->{$file} } );
+foreach my $t ( @t ) {
+	print STDERR ".";
+#	warn "## ",dump( %{ $vsz->{$t} } );
 
 	eval {
-		$rrd->update($t->epoch, map {
-			( $_ => $vsz->{$file}->{$_} )
+		$rrd->update($t, map {
+			( $_ => $vsz->{$t}->{$_} )
 		} @veids );
 	};
 	warn "SKIP $t: $@\n" if $@;
@@ -99,7 +119,7 @@
 	periods => [ qw/hour 6hour 12hour day week month year 3years/ ],
 	extended_legend => 1,
 	title => "memory > $too_small K",
-	width => 500,
-	height => 200,
+	width =>  500 * $zoom,
+	height => 200 * $zoom,
 );