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-rw-r--r--tools/testing/ktest/ktest.pl207
1 files changed, 159 insertions, 48 deletions
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index a34f6f4193df..9eaf8d05c749 100644
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -23,6 +23,7 @@ $opt{"REBOOT_ON_ERROR"} = 0;
$opt{"POWEROFF_ON_ERROR"} = 0;
$opt{"POWEROFF_ON_SUCCESS"} = 0;
$opt{"BUILD_OPTIONS"} = "";
+$opt{"BISECT_SLEEP_TIME"} = 10; # sleep time between bisects
my $version;
my $grub_number;
@@ -32,6 +33,7 @@ my $noclean;
my $minconfig;
my $in_bisect = 0;
my $bisect_bad = "";
+my $run_test;
sub read_config {
my ($config) = @_;
@@ -68,7 +70,7 @@ sub doprint {
}
sub dodie {
- doprint "CRITICAL FAILURE... ", @_;
+ doprint "CRITICAL FAILURE... ", @_, "\n";
if ($opt{"REBOOT_ON_ERROR"}) {
doprint "REBOOTING\n";
@@ -84,14 +86,14 @@ sub dodie {
sub run_command {
my ($command) = @_;
- my $redirect = "";
+ my $redirect_log = "";
if (defined($opt{"LOG_FILE"})) {
- $redirect = " >> $opt{LOG_FILE} 2>&1";
+ $redirect_log = " >> $opt{LOG_FILE} 2>&1";
}
doprint "$command ... ";
- `$command $redirect`;
+ `$command $redirect_log`;
my $failed = $?;
@@ -106,7 +108,7 @@ sub run_command {
sub get_grub_index {
- return if ($grub_number >= 0);
+ return if (defined($grub_number));
doprint "Find grub menu ... ";
$grub_number = -1;
@@ -164,28 +166,40 @@ sub reboot_to {
run_command "ssh $target '(echo \"savedefault --default=$grub_number --once\" | grub --batch; reboot)'";
}
-sub monitor {
+sub open_console {
+ my ($fp) = @_;
+
my $flags;
+
+ my $pid = open($fp, "$opt{CONSOLE}|") or
+ dodie "Can't open console $opt{CONSOLE}";
+
+ $flags = fcntl($fp, F_GETFL, 0) or
+ dodie "Can't get flags for the socket: $!\n";
+ $flags = fcntl($fp, F_SETFL, $flags | O_NONBLOCK) or
+ dodie "Can't set flags for the socket: $!\n";
+
+ return $pid;
+}
+
+sub close_console {
+ my ($fp, $pid) = @_;
+
+ doprint "kill child process $pid\n";
+ kill 2, $pid;
+
+ print "closing!\n";
+ close($fp);
+}
+
+sub monitor {
my $booted = 0;
my $bug = 0;
my $pid;
- my $doopen2 = 0;
my $skip_call_trace = 0;
+ my $fp = \*IN;
- if ($doopen2) {
- $pid = open2(\*IN, \*OUT, $opt{"CONSOLE"});
- if ($pid < 0) {
- dodie "Failed to connect to the console";
- }
- } else {
- $pid = open(IN, "$opt{CONSOLE} |");
- }
-
- $flags = fcntl(IN, F_GETFL, 0) or
- dodie "Can't get flags for the socket: $!\n";
-
- $flags = fcntl(IN, F_SETFL, $flags | O_NONBLOCK) or
- dodie "Can't set flags for the socket: $!\n";
+ $pid = open_console($fp);
my $line;
my $full_line = "";
@@ -193,14 +207,14 @@ sub monitor {
doprint "Wait for monitor to settle down.\n";
# read the monitor and wait for the system to calm down
do {
- $line = wait_for_input(\*IN, 5);
+ $line = wait_for_input($fp, 5);
} while (defined($line));
reboot_to;
for (;;) {
- $line = wait_for_input(\*IN);
+ $line = wait_for_input($fp);
last if (!defined($line));
@@ -234,19 +248,15 @@ sub monitor {
}
}
- doprint "kill child process $pid\n";
- kill 2, $pid;
-
- print "closing!\n";
- close(IN);
+ close_console($fp, $pid);
if (!$booted) {
- return 1 if (!$in_bisect);
+ return 1 if ($in_bisect);
dodie "failed - never got a boot prompt.\n";
}
if ($bug) {
- return 1 if (!$in_bisect);
+ return 1 if ($in_bisect);
dodie "failed - got a bug report\n";
}
@@ -395,6 +405,84 @@ sub get_version {
doprint "$version\n";
}
+sub child_run_test {
+ my $failed;
+
+ $failed = !run_command $run_test;
+ exit $failed;
+}
+
+my $child_done;
+
+sub child_finished {
+ $child_done = 1;
+}
+
+sub do_run_test {
+ my $child_pid;
+ my $child_exit;
+ my $pid;
+ my $line;
+ my $full_line;
+ my $bug = 0;
+ my $fp = \*IN;
+
+ $pid = open_console($fp);
+
+ # read the monitor and wait for the system to calm down
+ do {
+ $line = wait_for_input($fp, 1);
+ } while (defined($line));
+
+ $child_done = 0;
+
+ $SIG{CHLD} = qw(child_finished);
+
+ $child_pid = fork;
+
+ child_run_test if (!$child_pid);
+
+ $full_line = "";
+
+ do {
+ $line = wait_for_input($fp, 1);
+ if (defined($line)) {
+
+ # we are not guaranteed to get a full line
+ $full_line .= $line;
+
+ if ($full_line =~ /call trace:/i) {
+ $bug = 1;
+ }
+
+ if ($full_line =~ /Kernel panic -/) {
+ $bug = 1;
+ }
+
+ if ($line =~ /\n/) {
+ $full_line = "";
+ }
+ }
+ } while (!$child_done && !$bug);
+
+ if ($bug) {
+ doprint "Detected kernel crash!\n";
+ # kill the child with extreme prejudice
+ kill 9, $child_pid;
+ }
+
+ waitpid $child_pid, 0;
+ $child_exit = $?;
+
+ close_console($fp, $pid);
+
+ if ($bug || $child_exit) {
+ return 1 if $in_bisect;
+ dodie "test failed";
+ }
+ return 0;
+}
+
sub run_bisect {
my ($type) = @_;
@@ -422,11 +510,20 @@ sub run_bisect {
if ($type ne "boot") {
dodie "Failed on boot" if $failed;
+
+ $failed = do_run_test;
}
}
if ($failed) {
$result = "bad";
+
+ # reboot the box to a good kernel
+ if ($type eq "boot") {
+ reboot;
+ doprint "sleep a little for reboot\n";
+ sleep $opt{"BISECT_SLEEP_TIME"};
+ }
} else {
$result = "good";
}
@@ -443,12 +540,15 @@ sub run_bisect {
}
doprint "SUCCESS\n";
- if ($output =~ m/^(Bisecting: .*\(roughly \d+ steps?\)) \[([[:xdigit:]]+)\]/) {
+ if ($output =~ m/^(Bisecting: .*\(roughly \d+ steps?\))\s+\[([[:xdigit:]]+)\]/) {
doprint "$1 [$2]\n";
} elsif ($output =~ m/^([[:xdigit:]]+) is the first bad commit/) {
$bisect_bad = $1;
doprint "Found bad commit... $1\n";
return 0;
+ } else {
+ # we already logged it, just print it now.
+ print $output;
}
@@ -479,6 +579,11 @@ sub bisect {
run_command "git bisect bad $bad" or
dodie "could not set bisect good to $bad";
+ # Can't have a test without having a test to run
+ if ($type eq "test" && !defined($run_test)) {
+ $type = "boot";
+ }
+
do {
$result = run_bisect $type;
} while ($result);
@@ -519,29 +624,30 @@ doprint "\n\nSTARTING AUTOMATED TESTS\n";
$make = "$opt{MAKE_CMD} O=$opt{OUTPUT_DIR}";
-# First we need to do is the builds
-for (my $i = 1; $i <= $opt{"NUM_BUILDS"}; $i++) {
- my $type = "BUILD_TYPE[$i]";
+sub set_build_option {
+ my ($name, $i) = @_;
- if (defined($opt{"BUILD_NOCLEAN[$i]"}) &&
- $opt{"BUILD_NOCLEAN[$i]"} != 0) {
- $noclean = 1;
- } else {
- $noclean = $opt{"BUILD_NOCLEAN"};
- }
+ my $option = "$name\[$i\]";
- if (defined($opt{"MIN_CONFIG[$i]"})) {
- $minconfig = $opt{"MIN_CONFIG[$i]"};
- } elsif (defined($opt{"MIN_CONFIG"})) {
- $minconfig = $opt{"MIN_CONFIG"};
- } else {
- undef $minconfig;
+ if (defined($opt{$option})) {
+ return $opt{$option};
}
- if (!defined($opt{$type})) {
- $opt{$type} = $opt{"DEFAULT_BUILD_TYPE"};
+ if (defined($opt{$name})) {
+ return $opt{$name};
}
+ return undef;
+}
+
+# First we need to do is the builds
+for (my $i = 1; $i <= $opt{"NUM_BUILDS"}; $i++) {
+ my $type = "BUILD_TYPE[$i]";
+
+ $noclean = set_build_option("BUILD_NOCLEAN", $i);
+ $minconfig = set_build_option("MIN_CONFIG", $i);
+ $run_test = set_build_option("TEST", $i);
+
doprint "\n\n";
doprint "RUNNING TEST $i of $opt{NUM_BUILDS} with option $opt{$type}\n\n";
@@ -558,6 +664,11 @@ for (my $i = 1; $i <= $opt{"NUM_BUILDS"}; $i++) {
get_version;
install;
monitor;
+
+ if (defined($run_test)) {
+ do_run_test;
+ }
+
success $i;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 18:25:29 +0100