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-rwxr-xr-xtools/testing/ktest/ktest.pl33
-rw-r--r--tools/testing/ktest/sample.conf16
2 files changed, 47 insertions, 2 deletions
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index c95209bac65a..e55bd52367a6 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -37,6 +37,7 @@ $default{"POWEROFF_ON_SUCCESS"} = 0;
$default{"BUILD_OPTIONS"} = "";
$default{"BISECT_SLEEP_TIME"} = 60; # sleep time between bisects
$default{"CLEAR_LOG"} = 0;
+$default{"BISECT_MANUAL"} = 0;
$default{"SUCCESS_LINE"} = "login:";
$default{"BOOTED_TIMEOUT"} = 1;
$default{"DIE_ON_FAILURE"} = 1;
@@ -81,6 +82,7 @@ my $addconfig;
my $in_bisect = 0;
my $bisect_bad = "";
my $reverse_bisect;
+my $bisect_manual;
my $in_patchcheck = 0;
my $run_test;
my $redirect;
@@ -1046,6 +1048,21 @@ sub get_version {
doprint "$version\n";
}
+sub answer_bisect {
+ for (;;) {
+ doprint "Pass or fail? [p/f]";
+ my $ans = <STDIN>;
+ chomp $ans;
+ if ($ans eq "p" || $ans eq "P") {
+ return 1;
+ } elsif ($ans eq "f" || $ans eq "F") {
+ return 0;
+ } else {
+ print "Please answer 'P' or 'F'\n";
+ }
+ }
+}
+
sub child_run_test {
my $failed = 0;
@@ -1214,6 +1231,9 @@ sub run_bisect {
my $ret = run_bisect_test $type, $buildtype;
+ if ($bisect_manual) {
+ $ret = answer_bisect;
+ }
# Are we looking for where it worked, not failed?
if ($reverse_bisect) {
@@ -1524,7 +1544,9 @@ sub run_config_bisect {
}
$ret = run_config_bisect_test $type;
-
+ if ($bisect_manual) {
+ $ret = answer_bisect;
+ }
if ($ret) {
process_passed %current_config;
return 0;
@@ -1555,7 +1577,13 @@ sub run_config_bisect {
$half = int($#start_list / 2);
} while ($half > 0);
- # we found a single config, try it again
+ # we found a single config, try it again unless we are running manually
+
+ if ($bisect_manual) {
+ process_failed $start_list[0];
+ return 1;
+ }
+
my @tophalf = @start_list[0 .. 0];
$ret = run_config_bisect_test $type;
@@ -1925,6 +1953,7 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
$poweroff_after_halt = set_test_option("POWEROFF_AFTER_HALT", $i);
$sleep_time = set_test_option("SLEEP_TIME", $i);
$bisect_sleep_time = set_test_option("BISECT_SLEEP_TIME", $i);
+ $bisect_manual = set_test_option("BISECT_MANUAL", $i);
$store_failures = set_test_option("STORE_FAILURES", $i);
$timeout = set_test_option("TIMEOUT", $i);
$booted_timeout = set_test_option("BOOTED_TIMEOUT", $i);
diff --git a/tools/testing/ktest/sample.conf b/tools/testing/ktest/sample.conf
index 3408c594b2de..af82ac289779 100644
--- a/tools/testing/ktest/sample.conf
+++ b/tools/testing/ktest/sample.conf
@@ -528,6 +528,15 @@
# With BISECT_REVERSE = 1, The test will consider failures as
# good, and success as bad.
#
+# BISECT_MANUAL = 1 (optional, default 0)
+#
+# In case there's a problem with automating the bisect for
+# whatever reason. (Can't reboot, want to inspect each iteration)
+# Doing a BISECT_MANUAL will have the test wait for you to
+# tell it if the test passed or failed after each iteration.
+# This is basicall the same as running git bisect yourself
+# but ktest will rebuild and install the kernel for you.
+#
# BISECT_CHECK = 1 (optional, default 0)
#
# Just to be sure the good is good and bad is bad, setting
@@ -613,10 +622,17 @@
#
# CONFIG_BISECT is the config that failed to boot
#
+# If BISECT_MANUAL is set, it will pause between iterations.
+# This is useful to use just ktest.pl just for the config bisect.
+# If you set it to build, it will run the bisect and you can
+# control what happens in between iterations. It will ask you if
+# the test succeeded or not and continue the config bisect.
+#
# Example:
# TEST_START
# TEST_TYPE = config_bisect
# CONFIG_BISECT_TYPE = build
# CONFIG_BISECT = /home/test/˘onfig-bad
# MIN_CONFIG = /home/test/config-min
+# BISECT_MANUAL = 1
#