# HG changeset patch
# User Fabian Keil <fk@fabiankeil.de>
# Date 1309792948 -7200
# Node ID 0b5fed9677f1e5e10293ba104a1cc7812d6555db
# Parent  22fa5083fbb4835bf9ca84aa8c179a0b33b1e14a
Add an -a flag to align the sysctl values when the -d flag is used

diff -r 22fa5083fbb4 -r 0b5fed9677f1 base/head/scripts/zfs/arc_summary/arc_summary.pl
--- a/base/head/scripts/zfs/arc_summary/arc_summary.pl	Sun Jul 03 23:17:11 2011 -0400
+++ b/base/head/scripts/zfs/arc_summary/arc_summary.pl	Mon Jul 04 17:22:28 2011 +0200
@@ -48,6 +48,7 @@
 
 my $usetunable = 1;			# Change to 0 to disable sysctl MIB spill.
 my $show_sysctl_descriptions = 0;	# Change to 1 (or use the -d flag) to show sysctl descriptions.
+my $align_sysctl_values = 0;		# Change to 1 (or use the -a flag) to align the -d output
 
 sub hline {
 	print "\n------------------------------------------------------------------------\n\n";
@@ -596,7 +597,10 @@
 		chomp($tunable);
 		my ($name, $value) = split(/=/, $tunable, 2);
 		if ($show_sysctl_descriptions) {
-			printf("\t\# %s\n\t%s=%d\n", $sysctl_descriptions{$name}, $name, $value);
+			my $format = $align_sysctl_values ?
+				"\t\# %s\n\t%-32s = %15d\n" :
+				"\t\# %s\n\t%s=%d\n";
+			printf($format, $sysctl_descriptions{$name}, $name, $value);
 		} else {
 			print "\t$tunable\n";
 		}
@@ -625,8 +629,9 @@
 }
 
 my %opt;
-getopts("dp:", \%opt);
+getopts("adp:", \%opt);
 if (%opt) {
+	$align_sysctl_values = 1 if $opt{a};
 	$show_sysctl_descriptions = 1 if $opt{d};
 	switch($opt{p}) {
 		case 1 { eval $unSub[0]; hline; }