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ktest: Add eval '=~' command to modify variables in config file

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With the added variable ${KERNEL_VERSION}, it is useful to be
able to use parts of it for other variables.

For example, if you want to create a warnings file for each major
kernel version to test sub versions against you can create
your warnings file with like this:

  WARNINGS_FILE = warnings-file-${KERNEL_VERSION}

But this may add 3.8.12 or something, and we want all 3.8.* to
use the same file, and 3.10.* to use another file, and so on.
With the eval command we can, by adding:

  WARNINGS_FILE =~ s/(-file-\d+\.\d+).*/$1/

Which will chop off the extra characters after the 3.8.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat) 2013-12-11 21:16:59 -05:00 committed by Steven Rostedt
parent 8e80bf05ff
commit c75d22d9c6
1 changed files with 81 additions and 21 deletions
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102
tools/testing/ktest/ktest.pl
View file

@ -18,6 +18,7 @@ $| = 1;
my %opt;
my %repeat_tests;
my %repeats;
my %evals;
#default opts
my %default = (
@ -448,6 +449,27 @@ $config_help{"REBOOT_SCRIPT"} = << "EOF"
EOF
;
sub _logit {
if (defined($opt{"LOG_FILE"})) {
open(OUT, ">> $opt{LOG_FILE}") or die "Can't write to $opt{LOG_FILE}";
print OUT @_;
close(OUT);
}
}
sub logit {
if (defined($opt{"LOG_FILE"})) {
_logit @_;
} else {
print @_;
}
}
sub doprint {
print @_;
_logit @_;
}
sub read_prompt {
my ($cancel, $prompt) = @_;
@ -665,6 +687,22 @@ sub set_value {
}
}
sub set_eval {
my ($lvalue, $rvalue, $name) = @_;
my $prvalue = process_variables($rvalue);
my $arr;
if (defined($evals{$lvalue})) {
$arr = $evals{$lvalue};
} else {
$arr = [];
$evals{$lvalue} = $arr;
}
push @{$arr}, $rvalue;
}
sub set_variable {
my ($lvalue, $rvalue) = @_;
@ -950,6 +988,20 @@ sub __read_config {
$test_case = 1;
}
} elsif (/^\s*([A-Z_\[\]\d]+)\s*=~\s*(.*?)\s*$/) {
next if ($skip);
my $lvalue = $1;
my $rvalue = $2;
if ($default || $lvalue =~ /\[\d+\]$/) {
set_eval($lvalue, $rvalue, $name);
} else {
my $val = "$lvalue\[$test_num\]";
set_eval($val, $rvalue, $name);
}
} elsif (/^\s*([A-Z_\[\]\d]+)\s*=\s*(.*?)\s*$/) {
next if ($skip);
@ -1147,6 +1199,33 @@ sub __eval_option {
return $retval;
}
sub process_evals {
my ($name, $option, $i) = @_;
my $option_name = "$name\[$i\]";
my $ev;
my $old_option = $option;
if (defined($evals{$option_name})) {
$ev = $evals{$option_name};
} elsif (defined($evals{$name})) {
$ev = $evals{$name};
} else {
return $option;
}
for my $e (@{$ev}) {
eval "\$option =~ $e";
}
if ($option ne $old_option) {
doprint("$name changed from '$old_option' to '$option'\n");
}
return $option;
}
sub eval_option {
my ($name, $option, $i) = @_;
@ -1167,30 +1246,11 @@ sub eval_option {
$option = __eval_option($name, $option, $i);
}
$option = process_evals($name, $option, $i);
return $option;
}
sub _logit {
if (defined($opt{"LOG_FILE"})) {
open(OUT, ">> $opt{LOG_FILE}") or die "Can't write to $opt{LOG_FILE}";
print OUT @_;
close(OUT);
}
}
sub logit {
if (defined($opt{"LOG_FILE"})) {
_logit @_;
} else {
print @_;
}
}
sub doprint {
print @_;
_logit @_;
}
sub run_command;
sub start_monitor;
sub end_monitor;