diff options
| author | Arnaud Patard <apatard@mandriva.com> | 2008-09-19 20:16:25 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-14 10:39:33 +0200 |
| commit | 5c542368a3ded88bed98239fb3570dda416203ee (patch) | |
| tree | d3b120959f1af5f1736d25020eda1b9abedcb642 /scripts/bootgraph.pl | |
| parent | 80a398a55d3096ff4572b44271d095413749ebb4 (diff) | |
| download | lwn-5c542368a3ded88bed98239fb3570dda416203ee.tar.gz lwn-5c542368a3ded88bed98239fb3570dda416203ee.zip | |
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.pl | 8 |
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; |