NFSv4: Remove redundant RENEW calls if we know the lease has expired

[safe/jmp/linux-2.6] / scripts / bootgraph.pl

diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index 2243353..d2c61ef 100644 (file)
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -37,13 +37,16 @@
 #      dmesg | perl scripts/bootgraph.pl > output.svg
 #
 
-my @rows;
-my %start, %end, %row;
+use strict;
+
+my %start;
+my %end;
 my $done = 0;
-my $rowcount = 0;
 my $maxtime = 0;
 my $firsttime = 100;
 my $count = 0;
+my %pids;
+
 while (<>) {
        my $line = $_;
        if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z0-9\_]+)\+/) {
@@ -54,14 +57,8 @@ while (<>) {
                                $firsttime = $1;
                        }
                }
-               $row{$func} = 1;
                if ($line =~ /\@ ([0-9]+)/) {
-                       my $pid = $1;
-                       if (!defined($rows[$pid])) {
-                               $rowcount = $rowcount + 1;
-                               $rows[$pid] = $rowcount;
-                       }
-                       $row{$func} = $rows[$pid];
+                       $pids{$func} = $1;
                }
                $count = $count + 1;
        }
@@ -109,17 +106,27 @@ $styles[11] = "fill:rgb(128,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(
 my $mult = 950.0 / ($maxtime - $firsttime);
 my $threshold = ($maxtime - $firsttime) / 60.0;
 my $stylecounter = 0;
-while (($key,$value) = each %start) {
+my %rows;
+my $rowscount = 1;
+my @initcalls = sort { $start{$a} <=> $start{$b} } keys(%start);
+my $key;
+foreach $key (@initcalls) {
        my $duration = $end{$key} - $start{$key};
 
        if ($duration >= $threshold) {
-               my $s, $s2, $e, $y;
-               $s = ($value - $firsttime) * $mult;
+               my ($s, $s2, $e, $w, $y, $y2, $style);
+               my $pid = $pids{$key};
+
+               if (!defined($rows{$pid})) {
+                       $rows{$pid} = $rowscount;
+                       $rowscount = $rowscount + 1;
+               }
+               $s = ($start{$key} - $firsttime) * $mult;
                $s2 = $s + 6;
                $e = ($end{$key} - $firsttime) * $mult;
                $w = $e - $s;
 
-               $y = $row{$key} * 150;
+               $y = $rows{$pid} * 150;
                $y2 = $y + 4;
 
                $style = $styles[$stylecounter];
@@ -138,9 +145,9 @@ while (($key,$value) = each %start) {
 my $time = $firsttime;
 my $step = ($maxtime - $firsttime) / 15;
 while ($time < $maxtime) {
-       my $s2 = ($time - $firsttime) * $mult;
+       my $s3 = ($time - $firsttime) * $mult;
        my $tm = int($time * 100) / 100.0;
-       print "<text transform=\"translate($s2,89) rotate(90)\">$tm</text>\n";
+       print "<text transform=\"translate($s3,89) rotate(90)\">$tm</text>\n";
        $time = $time + $step;
 }