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authorRusty Russell <rusty@rustcorp.com.au>2008-12-13 06:25:51 -0500
committerRusty Russell <rusty@rustcorp.com.au>2008-12-13 06:25:51 -0500
commit968ea6d80e395cf11a51143cfa1b9a14ada676df (patch)
treedc2acec8c9bdced33afe1e273ee5e0b0b93d2703 /scripts/bootgraph.pl
parent7be7585393d311866653564fbcd10a3232773c0b (diff)
parent8299608f140ae321e4eb5d1306184265d2b9511e (diff)
Merge ../linux-2.6-x86
Conflicts: arch/x86/kernel/io_apic.c kernel/sched.c kernel/sched_stats.h
Diffstat (limited to 'scripts/bootgraph.pl')
-rw-r--r--scripts/bootgraph.pl16
1 files changed, 9 insertions, 7 deletions
diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index d2c61efc216f..f0af9aa9b243 100644
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -78,11 +78,13 @@ while (<>) {
78} 78}
79 79
80if ($count == 0) { 80if ($count == 0) {
81 print "No data found in the dmesg. Make sure that 'printk.time=1' and\n"; 81 print STDERR <<END;
82 print "'initcall_debug' are passed on the kernel command line.\n\n"; 82No data found in the dmesg. Make sure that 'printk.time=1' and
83 print "Usage: \n"; 83'initcall_debug' are passed on the kernel command line.
84 print " dmesg | perl scripts/bootgraph.pl > output.svg\n\n"; 84Usage:
85 exit; 85 dmesg | perl scripts/bootgraph.pl > output.svg
86END
87 exit 1;
86} 88}
87 89
88print "<?xml version=\"1.0\" standalone=\"no\"?> \n"; 90print "<?xml version=\"1.0\" standalone=\"no\"?> \n";
@@ -109,8 +111,8 @@ my $stylecounter = 0;
109my %rows; 111my %rows;
110my $rowscount = 1; 112my $rowscount = 1;
111my @initcalls = sort { $start{$a} <=> $start{$b} } keys(%start); 113my @initcalls = sort { $start{$a} <=> $start{$b} } keys(%start);
112my $key; 114
113foreach $key (@initcalls) { 115foreach my $key (@initcalls) {
114 my $duration = $end{$key} - $start{$key}; 116 my $duration = $end{$key} - $start{$key};
115 117
116 if ($duration >= $threshold) { 118 if ($duration >= $threshold) {