Initial start of ktest.pl

Originally named autotest.pl, but renamed to ktest.pl now because
the autotest name is used by other projects.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 334 insertions, 0 deletions

diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
new file mode 100644
index 00000000000..81fb2e43105
--- /dev/null
+++ b/tools/testing/ktest/ktest.pl
@@ -0,0 +1,334 @@
+#!/usr/bin/perl -w
+
+use strict;
+use IPC::Open2;
+use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK);
+use FileHandle;
+
+$#ARGV >= 0 || die "usage: autotest.pl config-file\n";
+
+$| = 1;
+
+my %opt;
+
+#default opts
+$opt{"NUM_BUILDS"}              = 5;
+$opt{"DEFAULT_BUILD_TYPE"}      = "randconfig";
+$opt{"MAKE_CMD"}                = "make";
+$opt{"TIMEOUT"}                 = 50;
+$opt{"TMP_DIR"}                 = "/tmp/autotest";
+$opt{"SLEEP_TIME"}              = 60;   # sleep time between tests
+
+my $version;
+my $install_mods;
+my $grub_number;
+my $target;
+my $make;
+
+sub read_config {
+    my ($config) = @_;
+
+    open(IN, $config) || die "can't read file $config";
+
+    while (<IN>) {
+
+        # ignore blank lines and comments
+        next if (/^\s*$/ || /\s*\#/);
+
+        if (/^\s*(\S+)\s*=\s*(.*?)\s*$/) {
+            my $lvalue = $1;
+            my $rvalue = $2;
+
+            $opt{$lvalue} = $rvalue;
+        }
+    }
+
+    close(IN);
+}
+
+sub doprint {
+    print @_;
+
+    if (defined($opt{"LOG_FILE"})) {
+        open(OUT, ">> $opt{LOG_FILE}") or die "Can't write to $opt{LOG_FILE}";
+        print OUT @_;
+        close(OUT);
+    }
+}
+
+sub run_command {
+    my ($command) = @_;
+    my $redirect = "";
+
+    if (defined($opt{"LOG_FILE"})) {
+        $redirect = " >> $opt{LOG_FILE} 2>&1";
+    }
+
+    doprint "$command ... ";
+    `$command $redirect`;
+
+    my $failed = $?;
+
+    if ($failed) {
+        doprint "FAILED!\n";
+    } else {
+        doprint "SUCCESS\n";
+    }
+
+    return $failed;
+}
+
+my $timeout = $opt{"TIMEOUT"};
+
+sub wait_for_input
+{
+    my ($fp, $time) = @_;
+    my $rin;
+    my $ready;
+    my $line;
+    my $ch;
+
+    if (!defined($time)) {
+        $time = $timeout;
+    }
+
+    $rin = '';
+    vec($rin, fileno($fp), 1) = 1;
+    $ready = select($rin, undef, undef, $time);
+
+    $line = "";
+
+    # try to read one char at a time
+    while (sysread $fp, $ch, 1) {
+        $line .= $ch;
+        last if ($ch eq "\n");
+    }
+
+    if (!length($line)) {
+        return undef;
+    }
+
+    return $line;
+}
+
+sub reboot {
+    run_command "ssh $target '(echo \"savedefault --default=$grub_number --once\" | grub --batch; reboot)'";
+}
+
+sub monitor {
+    my $flags;
+    my $booted = 0;
+    my $bug = 0;
+    my $pid;
+    my $doopen2 = 0;
+
+    if ($doopen2) {
+        $pid = open2(\*IN, \*OUT, $opt{CONSOLE});
+        if ($pid < 0) {
+            die "Failed to connect to the console";
+        }
+    } else {
+        $pid = open(IN, "$opt{CONSOLE} |");
+    }
+
+    $flags = fcntl(IN, F_GETFL, 0) or
+        die "Can't get flags for the socket: $!\n";
+
+    $flags = fcntl(IN, F_SETFL, $flags | O_NONBLOCK) or
+        die "Can't set flags for the socket: $!\n";
+
+    my $line;
+    my $full_line = "";
+
+    doprint "Wait for monitor to settle down.\n";
+    # read the monitor and wait for the system to calm down
+    do {
+        $line = wait_for_input(\*IN, 5);
+    } while (defined($line));
+
+    reboot;
+
+    for (;;) {
+
+        $line = wait_for_input(\*IN);
+
+        last if (!defined($line));
+
+        doprint $line;
+
+        # we are not guaranteed to get a full line
+        $full_line .= $line;
+
+        if ($full_line =~ /login:/) {
+            $booted = 1;
+        }
+
+        if ($full_line =~ /call trace:/i) {
+            $bug = 1;
+        }
+
+        if ($line =~ /\n/) {
+            $full_line = "";
+        }
+    }
+
+    doprint "kill child process $pid\n";
+    kill 2, $pid;
+
+    print "closing!\n";
+    close(IN);
+
+    if (!$booted) {
+        die "failed - never got a boot prompt.\n";
+    }
+
+    if ($bug) {
+        die "failed - got a bug report\n";
+    }
+}
+
+sub install {
+
+    if (run_command "scp $opt{OUTPUT_DIR}/$opt{BUILD_TARGET} $target:$opt{TARGET_IMAGE}") {
+        die "failed to copy image";
+    }
+
+    if ($install_mods) {
+        my $modlib = "/lib/modules/$version";
+
+        if (run_command "ssh $target rm -rf $modlib") {
+            die "failed to remove old mods: $modlib";
+        }
+
+        if (run_command "scp -r $opt{TMP_DIR}/lib $target:/lib/modules/$version") {
+            die "failed to copy modules";
+        }
+    }
+
+}
+
+sub build {
+    my ($type) = @_;
+
+    unlink "$opt{OUTPUT_DIR}/.config";
+
+    run_command "$make mrproper";
+
+    # add something to distinguish this build
+    open(OUT, "> $opt{OUTPUT_DIR}/localversion") or die("Can't make localversion file");
+    print OUT "$opt{LOCALVERSION}\n";
+    close(OUT);