ktest: Allow bisect test to restart where it left off
If a bisect is killed for some reason, have ktest detect that a bisect
is in progress and if so, allow the user to start the bisect where
it left off.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 77b4649..2ffb67c 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -239,20 +239,36 @@
EOF
;
-sub read_yn {
- my ($prompt) = @_;
+sub read_prompt {
+ my ($cancel, $prompt) = @_;
my $ans;
for (;;) {
- print "$prompt [Y/n] ";
+ if ($cancel) {
+ print "$prompt [y/n/C] ";
+ } else {
+ print "$prompt [Y/n] ";
+ }
$ans = <STDIN>;
chomp $ans;
if ($ans =~ /^\s*$/) {
- $ans = "y";
+ if ($cancel) {
+ $ans = "c";
+ } else {
+ $ans = "y";
+ }
}
last if ($ans =~ /^y$/i || $ans =~ /^n$/i);
- print "Please answer either 'y' or 'n'.\n";
+ if ($cancel) {
+ last if ($ans =~ /^c$/i);
+ print "Please answer either 'y', 'n' or 'c'.\n";
+ } else {
+ print "Please answer either 'y' or 'n'.\n";
+ }
+ }
+ if ($ans =~ /^c/i) {
+ exit;
}
if ($ans !~ /^y$/i) {
return 0;
@@ -260,6 +276,18 @@
return 1;
}
+sub read_yn {
+ my ($prompt) = @_;
+
+ return read_prompt 0, $prompt;
+}
+
+sub read_ync {
+ my ($prompt) = @_;
+
+ return read_prompt 1, $prompt;
+}
+
sub get_ktest_config {
my ($config) = @_;
my $ans;
@@ -1895,6 +1923,13 @@
}
}
+sub update_bisect_replay {
+ my $tmp_log = "$tmpdir/ktest_bisect_log";
+ run_command "git bisect log > $tmp_log" or
+ die "can't create bisect log";
+ return $tmp_log;
+}
+
sub bisect {
my ($i) = @_;
@@ -1934,8 +1969,31 @@
$type = "boot";
}
+ # Check if a bisect was running
+ my $bisect_start_file = "$builddir/.git/BISECT_START";
+
my $check = $opt{"BISECT_CHECK[$i]"};
- if (defined($check) && $check ne "0") {
+ my $do_check = defined($check) && $check ne "0";
+
+ if ( -f $bisect_start_file ) {
+ print "Bisect in progress found\n";
+ if ($do_check) {
+ print " If you say yes, then no checks of good or bad will be done\n";
+ }
+ if (defined($replay)) {
+ print "** BISECT_REPLAY is defined in config file **";
+ print " Ignore config option and perform new git bisect log?\n";
+ if (read_ync " (yes, no, or cancel) ") {
+ $replay = update_bisect_replay;
+ $do_check = 0;
+ }
+ } elsif (read_yn "read git log and continue?") {
+ $replay = update_bisect_replay;
+ $do_check = 0;
+ }
+ }
+
+ if ($do_check) {
# get current HEAD
my $head = get_sha1("HEAD");