ktest: Add BISECT_SKIP
If a during a git bisect, ktest fails on something other than
what it is testing (if BISECT_TYPE is test but it fails on build),
if BISECT_SKIP is set, then it will do a "git bisect skip" instead
of just failing the bisect and letting the user find a good commit
to test.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index e55bd52..0f62916a 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -38,6 +38,7 @@
$default{"BISECT_SLEEP_TIME"} = 60; # sleep time between bisects
$default{"CLEAR_LOG"} = 0;
$default{"BISECT_MANUAL"} = 0;
+$default{"BISECT_SKIP"} = 1;
$default{"SUCCESS_LINE"} = "login:";
$default{"BOOTED_TIMEOUT"} = 1;
$default{"DIE_ON_FAILURE"} = 1;
@@ -83,6 +84,7 @@
my $bisect_bad = "";
my $reverse_bisect;
my $bisect_manual;
+my $bisect_skip;
my $in_patchcheck = 0;
my $run_test;
my $redirect;
@@ -1169,7 +1171,15 @@
return 1;
}
-# returns 1 on success, 0 on failure
+sub bisect_reboot {
+ doprint "Reboot and sleep $bisect_sleep_time seconds\n";
+ reboot;
+ start_monitor;
+ wait_for_monitor $bisect_sleep_time;
+ end_monitor;
+}
+
+# returns 1 on success, 0 on failure, -1 on skip
sub run_bisect_test {
my ($type, $buildtype) = @_;
@@ -1183,6 +1193,10 @@
build $buildtype or $failed = 1;
if ($type ne "build") {
+ if ($failed && $bisect_skip) {
+ $in_bisect = 0;
+ return -1;
+ }
dodie "Failed on build" if $failed;
# Now boot the box
@@ -1194,6 +1208,12 @@
monitor or $failed = 1;
if ($type ne "boot") {
+ if ($failed && $bisect_skip) {
+ end_monitor;
+ bisect_reboot;
+ $in_bisect = 0;
+ return -1;
+ }
dodie "Failed on boot" if $failed;
do_run_test or $failed = 1;
@@ -1206,11 +1226,7 @@
# reboot the box to a good kernel
if ($type ne "build") {
- doprint "Reboot and sleep $bisect_sleep_time seconds\n";
- reboot;
- start_monitor;
- wait_for_monitor $bisect_sleep_time;
- end_monitor;
+ bisect_reboot;
}
} else {
$result = 1;
@@ -1240,10 +1256,13 @@
$ret = !$ret;
}
- if ($ret) {
+ if ($ret > 0) {
return "good";
- } else {
+ } elsif ($ret == 0) {
return "bad";
+ } elsif ($bisect_skip) {
+ doprint "HIT A BAD COMMIT ... SKIPPING\n";
+ return "skip";
}
}
@@ -1954,6 +1973,7 @@
$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);
+ $bisect_skip = set_test_option("BISECT_SKIP", $i);
$store_failures = set_test_option("STORE_FAILURES", $i);
$timeout = set_test_option("TIMEOUT", $i);
$booted_timeout = set_test_option("BOOTED_TIMEOUT", $i);