# do not force reboots on config problems
my $no_reboot = 1;
+# default variables that can be used
+chomp ($variable{"PWD"} = `pwd`);
+
$config_help{"MACHINE"} = << "EOF"
The machine hostname that you will test.
EOF
sub get_ktest_config {
my ($config) = @_;
+ my $ans;
return if (defined($opt{$config}));
if (defined($default{$config})) {
print "\[$default{$config}\] ";
}
- $entered_configs{$config} = <STDIN>;
- $entered_configs{$config} =~ s/^\s*(.*\S)\s*$/$1/;
- if ($entered_configs{$config} =~ /^\s*$/) {
+ $ans = <STDIN>;
+ $ans =~ s/^\s*(.*\S)\s*$/$1/;
+ if ($ans =~ /^\s*$/) {
if ($default{$config}) {
- $entered_configs{$config} = $default{$config};
+ $ans = $default{$config};
} else {
print "Your answer can not be blank\n";
next;
}
}
+ $entered_configs{$config} = process_variables($ans);
last;
}
}
}
sub process_variables {
- my ($value) = @_;
+ my ($value, $remove_undef) = @_;
my $retval = "";
# We want to check for '\', and it is just easier
$retval = "$retval$begin";
if (defined($variable{$var})) {
$retval = "$retval$variable{$var}";
+ } elsif (defined($remove_undef) && $remove_undef) {
+ # for if statements, any variable that is not defined,
+ # we simple convert to 0
+ $retval = "${retval}0";
} else {
# put back the origin piece.
$retval = "$retval\$\{$var\}";
}
sub set_value {
- my ($lvalue, $rvalue) = @_;
+ my ($lvalue, $rvalue, $override, $overrides, $name) = @_;
if (defined($opt{$lvalue})) {
- die "Error: Option $lvalue defined more than once!\n";
+ if (!$override || defined(${$overrides}{$lvalue})) {
+ my $extra = "";
+ if ($override) {
+ $extra = "In the same override section!\n";
+ }
+ die "$name: $.: Option $lvalue defined more than once!\n$extra";
+ }
+ ${$overrides}{$lvalue} = $rvalue;
}
if ($rvalue =~ /^\s*$/) {
delete $opt{$lvalue};
return $ret;
}
-sub process_if {
- my ($name, $value) = @_;
+sub value_defined {
+ my ($val) = @_;
+
+ return defined($variable{$2}) ||
+ defined($opt{$2});
+}
+
+my $d = 0;
+sub process_expression {
+ my ($name, $val) = @_;
- my $val = process_variables($value);
+ my $c = $d++;
+
+ while ($val =~ s/\(([^\(]*?)\)/\&\&\&\&VAL\&\&\&\&/) {
+ my $express = $1;
+
+ if (process_expression($name, $express)) {
+ $val =~ s/\&\&\&\&VAL\&\&\&\&/ 1 /;
+ } else {
+ $val =~ s/\&\&\&\&VAL\&\&\&\&/ 0 /;
+ }
+ }
+
+ $d--;
+ my $OR = "\\|\\|";
+ my $AND = "\\&\\&";
+
+ while ($val =~ s/^(.*?)($OR|$AND)//) {
+ my $express = $1;
+ my $op = $2;
+
+ if (process_expression($name, $express)) {
+ if ($op eq "||") {
+ return 1;
+ }
+ } else {
+ if ($op eq "&&") {
+ return 0;
+ }
+ }
+ }
if ($val =~ /(.*)(==|\!=|>=|<=|>|<)(.*)/) {
my $ret = process_compare($1, $2, $3);
return $ret;
}
+ if ($val =~ /^\s*(NOT\s*)?DEFINED\s+(\S+)\s*$/) {
+ if (defined $1) {
+ return !value_defined($2);
+ } else {
+ return value_defined($2);
+ }
+ }
+
if ($val =~ /^\s*0\s*$/) {
return 0;
} elsif ($val =~ /^\s*\d+\s*$/) {
return 1;
}
- die ("$name: $.: Undefined variable $val in if statement\n");
- return 1;
+ die ("$name: $.: Undefined content $val in if statement\n");
+}
+
+sub process_if {
+ my ($name, $value) = @_;
+
+ # Convert variables and replace undefined ones with 0
+ my $val = process_variables($value, 1);
+ my $ret = process_expression $name, $val;
+
+ return $ret;
}
sub __read_config {
my $num_tests_set = 0;
my $skip = 0;
my $rest;
+ my $line;
my $test_case = 0;
my $if = 0;
my $if_set = 0;
+ my $override = 0;
+
+ my %overrides;
while (<$in>) {
# ignore blank lines and comments
next if (/^\s*$/ || /\s*\#/);
- if (/^\s*TEST_START(.*)/) {
+ if (/^\s*(TEST_START|DEFAULTS)\b(.*)/) {
- $rest = $1;
+ my $type = $1;
+ $rest = $2;
+ $line = $2;
- if ($num_tests_set) {
- die "$name: $.: Can not specify both NUM_TESTS and TEST_START\n";
- }
+ my $old_test_num;
+ my $old_repeat;
+ $override = 0;
+
+ if ($type eq "TEST_START") {
+
+ if ($num_tests_set) {
+ die "$name: $.: Can not specify both NUM_TESTS and TEST_START\n";
+ }
- my $old_test_num = $test_num;
- my $old_repeat = $repeat;
+ $old_test_num = $test_num;
+ $old_repeat = $repeat;
- $test_num += $repeat;
- $default = 0;
- $repeat = 1;
+ $test_num += $repeat;
+ $default = 0;
+ $repeat = 1;
+ } else {
+ $default = 1;
+ }
- if ($rest =~ /\s+SKIP\b(.*)/) {
- $rest = $1;
+ # If SKIP is anywhere in the line, the command will be skipped
+ if ($rest =~ s/\s+SKIP\b//) {
$skip = 1;
} else {
$test_case = 1;
$skip = 0;
}
- if ($rest =~ /\s+ITERATE\s+(\d+)(.*)$/) {
- $repeat = $1;
- $rest = $2;
- $repeat_tests{"$test_num"} = $repeat;
+ if ($rest =~ s/\sELSE\b//) {
+ if (!$if) {
+ die "$name: $.: ELSE found with out matching IF section\n$_";
+ }
+ $if = 0;
+
+ if ($if_set) {
+ $skip = 1;
+ } else {
+ $skip = 0;
+ }
}
- if ($rest =~ /\sIF\s+(.*)/) {
- $rest = "";
+ if ($rest =~ s/\sIF\s+(.*)//) {
if (process_if($name, $1)) {
$if_set = 1;
} else {
$if = 1;
} else {
$if = 0;
+ $if_set = 0;
}
- if ($rest !~ /^\s*$/) {
- die "$name: $.: Gargbage found after TEST_START\n$_";
- }
-
- if ($skip) {
- $test_num = $old_test_num;
- $repeat = $old_repeat;
- }
-
- } elsif (/^\s*DEFAULTS(.*)$/) {
- $default = 1;
-
- $rest = $1;
-
- if ($rest =~ /\s+SKIP(.*)/) {
- $rest = $1;
- $skip = 1;
- } else {
- $skip = 0;
+ if (!$skip) {
+ if ($type eq "TEST_START") {
+ if ($rest =~ s/\s+ITERATE\s+(\d+)//) {
+ $repeat = $1;
+ $repeat_tests{"$test_num"} = $repeat;
+ }
+ } elsif ($rest =~ s/\sOVERRIDE\b//) {
+ # DEFAULT only
+ $override = 1;
+ # Clear previous overrides
+ %overrides = ();
+ }
}
- if ($rest =~ /\sIF\s+(.*)/) {
- $if = 1;
- if (process_if($name, $1)) {
- $if_set = 1;
- } else {
- $skip = 1;
- }
- $rest = "";
- } else {
- $if = 0;
+ if (!$skip && $rest !~ /^\s*$/) {
+ die "$name: $.: Gargbage found after $type\n$_";
}
- if ($rest !~ /^\s*$/) {
- die "$name: $.: Gargbage found after DEFAULTS\n$_";
+ if ($skip && $type eq "TEST_START") {
+ $test_num = $old_test_num;
+ $repeat = $old_repeat;
}
} elsif (/^\s*ELSE\b(.*)$/) {
}
if ($default || $lvalue =~ /\[\d+\]$/) {
- set_value($lvalue, $rvalue);
+ set_value($lvalue, $rvalue, $override, \%overrides, $name);
} else {
my $val = "$lvalue\[$test_num\]";
- set_value($val, $rvalue);
+ set_value($val, $rvalue, $override, \%overrides, $name);
if ($repeat > 1) {
$repeats{$val} = $repeat;
sub reboot_to {
if ($reboot_type eq "grub") {
- run_ssh "'(echo \"savedefault --default=$grub_number --once\" | grub --batch && reboot)'";
+ run_ssh "'(echo \"savedefault --default=$grub_number --once\" | grub --batch)'";
+ reboot;
return;
}
}
sub start_monitor_and_boot {
+ # Make sure the stable kernel has finished booting
+ start_monitor;
+ wait_for_monitor 5;
+ end_monitor;
+
get_grub_index;
get_version;
install;
}
my %depends;
+my %depcount;
my $iflevel = 0;
my @ifdeps;
# prevent recursion
my %read_kconfigs;
+sub add_dep {
+ # $config depends on $dep
+ my ($config, $dep) = @_;
+
+ if (defined($depends{$config})) {
+ $depends{$config} .= " " . $dep;
+ } else {
+ $depends{$config} = $dep;
+ }
+
+ # record the number of configs depending on $dep
+ if (defined $depcount{$dep}) {
+ $depcount{$dep}++;
+ } else {
+ $depcount{$dep} = 1;
+ }
+}
+
# taken from streamline_config.pl
sub read_kconfig {
my ($kconfig) = @_;
$config = $2;
for (my $i = 0; $i < $iflevel; $i++) {
- if ($i) {
- $depends{$config} .= " " . $ifdeps[$i];
- } else {
- $depends{$config} = $ifdeps[$i];
- }
- $state = "DEP";
+ add_dep $config, $ifdeps[$i];
}
# collect the depends for the config
} elsif ($state eq "NEW" && /^\s*depends\s+on\s+(.*)$/) {
- if (defined($depends{$1})) {
- $depends{$config} .= " " . $1;
- } else {
- $depends{$config} = $1;
- }
+ add_dep $config, $1;
# Get the configs that select this config
- } elsif ($state ne "NONE" && /^\s*select\s+(\S+)/) {
- if (defined($depends{$1})) {
- $depends{$1} .= " " . $config;
- } else {
- $depends{$1} = $config;
- }
+ } elsif ($state eq "NEW" && /^\s*select\s+(\S+)/) {
+
+ # selected by depends on config
+ add_dep $1, $config;
# Check for if statements
} elsif (/^if\s+(.*\S)\s*$/) {
close OUT;
}
+sub chomp_config {
+ my ($config) = @_;
+
+ $config =~ s/CONFIG_//;
+
+ return $config;
+}
+
sub get_depends {
my ($dep) = @_;
- my $kconfig = $dep;
- $kconfig =~ s/CONFIG_//;
+ my $kconfig = chomp_config $dep;
$dep = $depends{"$kconfig"};
return undef;
}
- my $kconfig = $config;
- $kconfig =~ s/CONFIG_//;
+ my $kconfig = chomp_config $config;
# Test dependencies first
if (defined($depends{"$kconfig"})) {
my @config_keys = keys %min_configs;
+ # All configs need a depcount
+ foreach my $config (@config_keys) {
+ my $kconfig = chomp_config $config;
+ if (!defined $depcount{$kconfig}) {
+ $depcount{$kconfig} = 0;
+ }
+ }
+
# Remove anything that was set by the make allnoconfig
# we shouldn't need them as they get set for us anyway.
foreach my $config (@config_keys) {
# Now disable each config one by one and do a make oldconfig
# till we find a config that changes our list.
- # Put configs that did not modify the config at the end.
my @test_configs = keys %min_configs;
+
+ # Sort keys by who is most dependent on
+ @test_configs = sort { $depcount{chomp_config($b)} <=> $depcount{chomp_config($a)} }
+ @test_configs ;
+
+ # Put configs that did not modify the config at the end.
my $reset = 1;
for (my $i = 0; $i < $#test_configs; $i++) {
if (!defined($nochange_config{$test_configs[0]})) {