summary refs log tree commit diff
path: root/scripts/bootgraph.pl
diff options
context:
space:
mode:
authorArnaud Patard <apatard@mandriva.com>2008-09-19 20:16:25 -0700
committerIngo Molnar <mingo@elte.hu>2008-10-14 10:39:33 +0200
commit5c542368a3ded88bed98239fb3570dda416203ee (patch)
treed3b120959f1af5f1736d25020eda1b9abedcb642 /scripts/bootgraph.pl
parent80a398a55d3096ff4572b44271d095413749ebb4 (diff)
downloadlinux-5c542368a3ded88bed98239fb3570dda416203ee.tar.gz
tracing/fastboot: fix bootgraph.pl initcall name regexp
The regexp used to match the start and the end of an initcall
are matching only on [a-zA-Z\_]. This rules out initcalls with
a number in them. This patch is fixing that.

Signed-off-by: Arnaud Patard <apatard@mandriva.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'scripts/bootgraph.pl')
-rw-r--r--scripts/bootgraph.pl8
1 files changed, 4 insertions, 4 deletions
diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index 4baf49985589..479fb4ea8914 100644
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -46,7 +46,7 @@ my %pids;
 
 while (<>) {
 	my $line = $_;
-	if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z\_]+)\+/) {
+	if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z0-9\_]+)\+/) {
 		my $func = $2;
 		if ($done == 0) {
 			$start{$func} = $1;
@@ -60,7 +60,7 @@ while (<>) {
 		$count = $count + 1;
 	}
 
-	if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z\_]+)\+.*returned/) {
+	if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_]+)\+.*returned/) {
 		if ($done == 0) {
 			$end{$2} = $1;
 			$maxtime = $1;
@@ -75,8 +75,8 @@ while (<>) {
 }
 
 if ($count == 0) {
-	print "No data found in the dmesg. Make sure CONFIG_PRINTK_TIME is enabled and\n";
-	print "that initcall_debug is passed on the kernel command line.\n\n";
+	print "No data found in the dmesg. Make sure that 'printk.time=1' and\n";
+	print "'initcall_debug' are passed on the kernel command line.\n\n";
 	print "Usage: \n";
 	print "      dmesg | perl scripts/bootgraph.pl > output.svg\n\n";
 	exit;