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-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;

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