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authorIngo Molnar <mingo@elte.hu>2009-01-18 20:15:05 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-18 20:15:05 +0100
commit4092762aebfe55c1f8e31440b80a053c2dbe519b (patch)
tree8fb9fd14131194174c12daf5d8195afd3b62bc3e /scripts
parent745b1626dd71ce9661a05ea4db57859ed5c773d2 (diff)
parent1de9e8e70f5acc441550ca75433563d91b269bbe (diff)
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Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc2' into tracing/core
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/checkpatch.pl28
-rw-r--r--scripts/markup_oops.pl59
2 files changed, 70 insertions, 17 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 7bed4ed..45eb0ae 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -10,7 +10,7 @@ use strict;
my $P = $0;
$P =~ s@.*/@@g;
-my $V = '0.26';
+my $V = '0.27';
use Getopt::Long qw(:config no_auto_abbrev);
@@ -411,13 +411,15 @@ sub ctx_statement_block {
my $type = '';
my $level = 0;
- my @stack = ([$type, $level]);
+ my @stack = ();
my $p;
my $c;
my $len = 0;
my $remainder;
while (1) {
+ @stack = (['', 0]) if ($#stack == -1);
+
#warn "CSB: blk<$blk> remain<$remain>\n";
# If we are about to drop off the end, pull in more
# context.
@@ -1663,7 +1665,7 @@ sub process {
# Should not end with a space.
$to =~ s/\s+$//;
# '*'s should not have spaces between.
- while ($to =~ s/(.)\s\*/$1\*/) {
+ while ($to =~ s/\*\s+\*/\*\*/) {
}
#print "from<$from> to<$to>\n";
@@ -1678,7 +1680,7 @@ sub process {
# Should not end with a space.
$to =~ s/\s+$//;
# '*'s should not have spaces between.
- while ($to =~ s/(.)\s\*/$1\*/) {
+ while ($to =~ s/\*\s+\*/\*\*/) {
}
# Modifiers should have spaces.
$to =~ s/(\b$Modifier$)/$1 /;
@@ -2014,7 +2016,11 @@ sub process {
# Flatten any parentheses
$value =~ s/\)\(/\) \(/g;
- while ($value !~ /(?:$Ident|-?$Constant)\s*$Compare\s*(?:$Ident|-?$Constant)/ && $value =~ s/\([^\(\)]*\)/1/) {
+ while ($value =~ s/\[[^\{\}]*\]/1/ ||
+ $value !~ /(?:$Ident|-?$Constant)\s*
+ $Compare\s*
+ (?:$Ident|-?$Constant)/x &&
+ $value =~ s/\([^\(\)]*\)/1/) {
}
if ($value =~ /^(?:$Ident|-?$Constant)$/) {
@@ -2102,6 +2108,11 @@ sub process {
ERROR("trailing statements should be on next line\n" . $herecurr);
}
}
+# if should not continue a brace
+ if ($line =~ /}\s*if\b/) {
+ ERROR("trailing statements should be on next line\n" .
+ $herecurr);
+ }
# case and default should not have general statements after them
if ($line =~ /^.\s*(?:case\s*.*|default\s*):/g &&
$line !~ /\G(?:
@@ -2516,9 +2527,10 @@ sub process {
WARN("please use device_initcall() instead of __initcall()\n" . $herecurr);
}
# check for struct file_operations, ensure they are const.
- if ($line =~ /\bstruct\s+file_operations\b/ &&
- $line !~ /\bconst\b/) {
- WARN("struct file_operations should normally be const\n" . $herecurr);
+ if ($line !~ /\bconst\b/ &&
+ $line =~ /\bstruct\s+(file_operations|seq_operations)\b/) {
+ WARN("struct $1 should normally be const\n" .
+ $herecurr);
}
# use of NR_CPUS is usually wrong
diff --git a/scripts/markup_oops.pl b/scripts/markup_oops.pl
index 700a7a6..d40449c 100644
--- a/scripts/markup_oops.pl
+++ b/scripts/markup_oops.pl
@@ -1,5 +1,7 @@
#!/usr/bin/perl -w
+use File::Basename;
+
# Copyright 2008, Intel Corporation
#
# This file is part of the Linux kernel
@@ -13,23 +15,41 @@
my $vmlinux_name = $ARGV[0];
-
+if (!defined($vmlinux_name)) {
+ my $kerver = `uname -r`;
+ chomp($kerver);
+ $vmlinux_name = "/lib/modules/$kerver/build/vmlinux";
+ print "No vmlinux specified, assuming $vmlinux_name\n";
+}
+my $filename = $vmlinux_name;
#
# Step 1: Parse the oops to find the EIP value
#
my $target = "0";
+my $function;
+my $module = "";
+my $func_offset;
+my $vmaoffset = 0;
+
while (<STDIN>) {
- if ($_ =~ /EIP: 0060:\[\<([a-z0-9]+)\>\]/) {
+ my $line = $_;
+ if ($line =~ /EIP: 0060:\[\<([a-z0-9]+)\>\]/) {
$target = $1;
}
-}
+ if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
+ $function = $1;
+ $func_offset = $2;
+ }
-if ($target =~ /^f8/) {
- print "This script does not work on modules ... \n";
- exit;
+ # check if it's a module
+ if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]+\W\[([a-zA-Z0-9\_\-]+)\]/) {
+ $module = $3;
+ }
}
+my $decodestart = hex($target) - hex($func_offset);
+my $decodestop = $decodestart + 8192;
if ($target eq "0") {
print "No oops found!\n";
print "Usage: \n";
@@ -37,6 +57,29 @@ if ($target eq "0") {
exit;
}
+# if it's a module, we need to find the .ko file and calculate a load offset
+if ($module ne "") {
+ my $dir = dirname($filename);
+ $dir = $dir . "/";
+ my $mod = $module . ".ko";
+ my $modulefile = `find $dir -name $mod | head -1`;
+ chomp($modulefile);
+ $filename = $modulefile;
+ if ($filename eq "") {
+ print "Module .ko file for $module not found. Aborting\n";
+ exit;
+ }
+ # ok so we found the module, now we need to calculate the vma offset
+ open(FILE, "objdump -dS $filename |") || die "Cannot start objdump";
+ while (<FILE>) {
+ if ($_ =~ /^([0-9a-f]+) \<$function\>\:/) {
+ my $fu = $1;
+ $vmaoffset = hex($target) - hex($fu) - hex($func_offset);
+ }
+ }
+ close(FILE);
+}
+
my $counter = 0;
my $state = 0;
my $center = 0;
@@ -59,9 +102,7 @@ sub InRange {
# first, parse the input into the lines array, but to keep size down,
# we only do this for 4Kb around the sweet spot
-my $filename;
-
-open(FILE, "objdump -dS $vmlinux_name |") || die "Cannot start objdump";
+open(FILE, "objdump -dS --adjust-vma=$vmaoffset --start-address=$decodestart --stop-address=$decodestop $filename |") || die "Cannot start objdump";
while (<FILE>) {
my $line = $_;