diff options
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/testing/ktest/ktest.pl | 452 |
1 files changed, 226 insertions, 226 deletions
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl index c34f0de..52f558e 100755 --- a/tools/testing/ktest/ktest.pl +++ b/tools/testing/ktest/ktest.pl @@ -2784,12 +2784,17 @@ my %dependency; sub assign_configs { my ($hash, $config) = @_; + doprint "Reading configs from $config\n"; + open (IN, $config) or dodie "Failed to read $config"; while (<IN>) { + chomp; if (/^((CONFIG\S*)=.*)/) { ${$hash}{$2} = $1; + } elsif (/^(# (CONFIG\S*) is not set)/) { + ${$hash}{$2} = $1; } } @@ -2841,53 +2846,97 @@ sub get_dependencies { return @deps; } +sub save_config { + my ($pc, $file) = @_; + + my %configs = %{$pc}; + + doprint "Saving configs into $file\n"; + + open(OUT, ">$file") or dodie "Can not write to $file"; + + foreach my $config (keys %configs) { + print OUT "$configs{$config}\n"; + } + close(OUT); +} + sub create_config { - my @configs = @_; + my ($name, $pc) = @_; - open(OUT, ">$output_config") or dodie "Can not write to $output_config"; + doprint "Creating old config from $name configs\n"; - foreach my $config (@configs) { - print OUT "$config_set{$config}\n"; - my @deps = get_dependencies $config; - foreach my $dep (@deps) { - print OUT "$config_set{$dep}\n"; + save_config $pc, $output_config; + + make_oldconfig; +} + +# compare two config hashes, and return configs with different vals. +# It returns B's config values, but you can use A to see what A was. +sub diff_config_vals { + my ($pa, $pb) = @_; + + # crappy Perl way to pass in hashes. + my %a = %{$pa}; + my %b = %{$pb}; + + my %ret; + + foreach my $item (keys %a) { + if (defined($b{$item}) && $b{$item} ne $a{$item}) { + $ret{$item} = $b{$item}; } } - # turn off configs to keep off - foreach my $config (keys %config_off) { - print OUT "# $config is not set\n"; - } + return %ret; +} - # turn off configs that should be off for now - foreach my $config (@config_off_tmp) { - print OUT "# $config is not set\n"; - } +# compare two config hashes and return the configs in B but not A +sub diff_configs { + my ($pa, $pb) = @_; + + my %ret; + + # crappy Perl way to pass in hashes. + my %a = %{$pa}; + my %b = %{$pb}; - foreach my $config (keys %config_ignore) { - print OUT "$config_ignore{$config}\n"; + foreach my $item (keys %b) { + if (!defined($a{$item})) { + $ret{$item} = $b{$item}; + } } - close(OUT); - make_oldconfig; + return %ret; } +# return if two configs are equal or not +# 0 is equal +1 b has something a does not +# +1 if a and b have a different item. +# -1 if a has something b does not sub compare_configs { - my (%a, %b) = @_; + my ($pa, $pb) = @_; - foreach my $item (keys %a) { - if (!defined($b{$item})) { - print "diff $item\n"; + my %ret; + + # crappy Perl way to pass in hashes. + my %a = %{$pa}; + my %b = %{$pb}; + + foreach my $item (keys %b) { + if (!defined($a{$item})) { + return 1; + } + if ($a{$item} ne $b{$item}) { return 1; } - delete $b{$item}; } - my @keys = keys %b; - if ($#keys) { - print "diff2 $keys[0]\n"; + foreach my $item (keys %a) { + if (!defined($b{$item})) { + return -1; + } } - return -1 if ($#keys >= 0); return 0; } @@ -2923,253 +2972,204 @@ sub process_failed { doprint "***************************************\n\n"; } -sub run_config_bisect { +# used for config bisecting +my $good_config; +my $bad_config; - my @start_list = keys %config_list; +sub process_new_config { + my ($tc, $nc, $gc, $bc) = @_; - if ($#start_list < 0) { - doprint "No more configs to test!!!\n"; - return -1; - } + my %tmp_config = %{$tc}; + my %good_configs = %{$gc}; + my %bad_configs = %{$bc}; - doprint "***** RUN TEST ***\n"; - my $type = $config_bisect_type; - my $ret; - my %current_config; + my %new_configs; - my $count = $#start_list + 1; - doprint " $count configs to test\n"; + my $runtest = 1; + my $ret; - my $half = int($#start_list / 2); + create_config "tmp_configs", \%tmp_config; + assign_configs \%new_configs, $output_config; - do { - my @tophalf = @start_list[0 .. $half]; + $ret = compare_configs \%new_configs, \%bad_configs; + if (!$ret) { + doprint "New config equals bad config, try next test\n"; + $runtest = 0; + } - # keep the bottom half off - if ($half < $#start_list) { - @config_off_tmp = @start_list[$half + 1 .. $#start_list]; - } else { - @config_off_tmp = (); + if ($runtest) { + $ret = compare_configs \%new_configs, \%good_configs; + if (!$ret) { + doprint "New config equals good config, try next test\n"; + $runtest = 0; } + } - create_config @tophalf; - read_current_config \%current_config; - - $count = $#tophalf + 1; - doprint "Testing $count configs\n"; - my $found = 0; - # make sure we test something - foreach my $config (@tophalf) { - if (defined($current_config{$config})) { - logit " $config\n"; - $found = 1; - } - } - if (!$found) { - # try the other half - doprint "Top half produced no set configs, trying bottom half\n"; - - # keep the top half off - @config_off_tmp = @tophalf; - @tophalf = @start_list[$half + 1 .. $#start_list]; - - create_config @tophalf; - read_current_config \%current_config; - foreach my $config (@tophalf) { - if (defined($current_config{$config})) { - logit " $config\n"; - $found = 1; - } - } - if (!$found) { - doprint "Failed: Can't make new config with current configs\n"; - foreach my $config (@start_list) { - doprint " CONFIG: $config\n"; - } - return -1; - } - $count = $#tophalf + 1; - doprint "Testing $count configs\n"; - } + %{$nc} = %new_configs; - $ret = run_config_bisect_test $type; - if ($bisect_manual) { - $ret = answer_bisect; - } - if ($ret) { - process_passed %current_config; - return 0; - } + return $runtest; +} - doprint "This config had a failure.\n"; - doprint "Removing these configs that were not set in this config:\n"; - doprint "config copied to $outputdir/config_bad\n"; - run_command "cp -f $output_config $outputdir/config_bad"; +sub run_config_bisect { + my ($pgood, $pbad) = @_; - # A config exists in this group that was bad. - foreach my $config (keys %config_list) { - if (!defined($current_config{$config})) { - doprint " removing $config\n"; - delete $config_list{$config}; - } - } + my $type = $config_bisect_type; - @start_list = @tophalf; + my %good_configs = %{$pgood}; + my %bad_configs = %{$pbad}; - if ($#start_list == 0) { - process_failed $start_list[0]; - return 1; - } + my %diff_configs = diff_config_vals \%good_configs, \%bad_configs; + my %b_configs = diff_configs \%good_configs, \%bad_configs; + my %g_configs = diff_configs \%bad_configs, \%good_configs; - # remove half the configs we are looking at and see if - # they are good. - $half = int($#start_list / 2); - } while ($#start_list > 0); + my @diff_arr = keys %diff_configs; + my $len_diff = $#diff_arr + 1; - # we found a single config, try it again unless we are running manually + my @b_arr = keys %b_configs; + my $len_b = $#b_arr + 1; - if ($bisect_manual) { - process_failed $start_list[0]; - return 1; - } + my @g_arr = keys %g_configs; + my $len_g = $#g_arr + 1; - my @tophalf = @start_list[0 .. 0]; + my $runtest = 1; + my %new_configs; + my $ret; - $ret = run_config_bisect_test $type; - if ($ret) { - process_passed %current_config; - return 0; - } + # First, lets get it down to a single subset. + # Is the problem with a difference in values? + # Is the problem with a missing config? + # Is the problem with a config that breaks things? - process_failed $start_list[0]; - return 1; -} + # Enable all of one set and see if we get a new bad + # or good config. -sub config_bisect { - my ($i) = @_; + # first set the good config to the bad values. - my $start_config = $config_bisect; + doprint "d=$len_diff g=$len_g b=$len_b\n"; - my $tmpconfig = "$tmpdir/use_config"; + # first lets enable things in bad config that are enabled in good config - if (defined($config_bisect_good)) { - process_config_ignore $config_bisect_good; - } + if ($len_diff > 0) { + if ($len_b > 0 || $len_g > 0) { + my %tmp_config = %bad_configs; - # Make the file with the bad config and the min config - if (defined($minconfig)) { - # read the min config for things to ignore - run_command "cp $minconfig $tmpconfig" or - dodie "failed to copy $minconfig to $tmpconfig"; - } else { - unlink $tmpconfig; - } + doprint "Set tmp config to be bad config with good config values\n"; + foreach my $item (@diff_arr) { + $tmp_config{$item} = $good_configs{$item}; + } - if (-f $tmpconfig) { - load_force_config($tmpconfig); - process_config_ignore $tmpconfig; + $runtest = process_new_config \%tmp_config, \%new_configs, + \%good_configs, \%bad_configs; + } } - # now process the start config - run_command "cp $start_config $output_config" or - dodie "failed to copy $start_config to $output_config"; + if (!$runtest && $len_diff > 0) { - # read directly what we want to check - my %config_check; - open (IN, $output_config) - or dodie "failed to open $output_config"; + if ($len_diff == 1) { + doprint "The bad config setting is: $diff_arr[0]\n"; + return 1; + } + my %tmp_config = %bad_configs; - while (<IN>) { - if (/^((CONFIG\S*)=.*)/) { - $config_check{$2} = $1; + my $half = int($#diff_arr / 2); + my @tophalf = @diff_arr[0 .. $half]; + + doprint "Settings bisect with top half:\n"; + doprint "Set tmp config to be bad config with some good config values\n"; + foreach my $item (@tophalf) { + $tmp_config{$item} = $good_configs{$item}; } - } - close(IN); - # Now run oldconfig with the minconfig - make_oldconfig; + $runtest = process_new_config \%tmp_config, \%new_configs, + \%good_configs, \%bad_configs; - # check to see what we lost (or gained) - open (IN, $output_config) - or dodie "Failed to read $start_config"; + if (!$runtest) { + my %tmp_config = %bad_configs; - my %removed_configs; - my %added_configs; + doprint "Try bottom half\n"; - while (<IN>) { - if (/^((CONFIG\S*)=.*)/) { - # save off all options - $config_set{$2} = $1; - if (defined($config_check{$2})) { - if (defined($config_ignore{$2})) { - $removed_configs{$2} = $1; - } else { - $config_list{$2} = $1; - } - } elsif (!defined($config_ignore{$2})) { - $added_configs{$2} = $1; - $config_list{$2} = $1; + my @bottomhalf = @diff_arr[$half+1 .. $#diff_arr]; + + foreach my $item (@bottomhalf) { + $tmp_config{$item} = $good_configs{$item}; } - } elsif (/^# ((CONFIG\S*).*)/) { - # Keep these configs disabled - $config_set{$2} = $1; - $config_off{$2} = $1; - } - } - close(IN); - my @confs = keys %removed_configs; - if ($#confs >= 0) { - doprint "Configs overridden by default configs and removed from check:\n"; - foreach my $config (@confs) { - doprint " $config\n"; + $runtest = process_new_config \%tmp_config, \%new_configs, + \%good_configs, \%bad_configs; } } - @confs = keys %added_configs; - if ($#confs >= 0) { - doprint "Configs appearing in make oldconfig and added:\n"; - foreach my $config (@confs) { - doprint " $config\n"; + + if ($runtest) { + $ret = run_config_bisect_test $type; + if ($ret) { + doprint "NEW GOOD CONFIG\n"; + %good_configs = %new_configs; + run_command "mv $good_config ${good_config}.last"; + save_config \%good_configs, $good_config; + %{$pgood} = %good_configs; + } else { + doprint "NEW BAD CONFIG\n"; + %bad_configs = %new_configs; + run_command "mv $bad_config ${bad_config}.last"; + save_config \%bad_configs, $bad_config; + %{$pbad} = %bad_configs; } + return 0; } - my %config_test; - my $once = 0; + fail "Hmm, need to do a mix match?\n"; + return -1; +} - @config_off_tmp = (); +sub config_bisect { + my ($i) = @_; - # Sometimes kconfig does weird things. We must make sure - # that the config we autocreate has everything we need - # to test, otherwise we may miss testing configs, or - # may not be able to create a new config. - # Here we create a config with everything set. - create_config (keys %config_list); - read_current_config \%config_test; - foreach my $config (keys %config_list) { - if (!defined($config_test{$config})) { - if (!$once) { - $once = 1; - doprint "Configs not produced by kconfig (will not be checked):\n"; - } - doprint " $config\n"; - delete $config_list{$config}; - } - } - my $ret; + my $type = $config_bisect_type; - if (defined($config_bisect_check) && $config_bisect_check) { - doprint " Checking to make sure bad config with min config fails\n"; - create_config keys %config_list; - $ret = run_config_bisect_test $config_bisect_type; - if ($ret) { - doprint " FAILED! Bad config with min config boots fine\n"; - return -1; + $bad_config = $config_bisect; + + if (defined($config_bisect_good)) { + $good_config = $config_bisect_good; + } elsif (defined($minconfig)) { + $good_config = $minconfig; + } else { + doprint "No config specified, checking if defconfig works"; + my $ret = run_bisect_test $type, "defconfig"; + if (!$ret) { + fail "Have no good config to compare with, please set CONFIG_BISECT_GOOD"; + return 1; } - doprint " Bad config with min config fails as expected\n"; + $good_config = $output_config; } + # we don't want min configs to cause issues here. + doprint "Disabling 'MIN_CONFIG' for this test\n"; + undef $minconfig; + + my %good_configs; + my %bad_configs; + my %tmp_configs; + + doprint "Run good configs through make oldconfig\n"; + assign_configs \%tmp_configs, $good_config; + create_config "$good_config", \%tmp_configs; + assign_configs \%good_configs, $output_config; + + doprint "Run bad configs through make oldconfig\n"; + assign_configs \%tmp_configs, $bad_config; + create_config "$bad_config", \%tmp_configs; + assign_configs \%bad_configs, $output_config; + + $good_config = "$tmpdir/good_config"; + $bad_config = "$tmpdir/bad_config"; + + save_config \%good_configs, $good_config; + save_config \%bad_configs, $bad_config; + + my $ret; + do { - $ret = run_config_bisect; + $ret = run_config_bisect \%good_configs, \%bad_configs; } while (!$ret); return $ret if ($ret < 0); |
