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ktest: Add MAX_MONITOR_WAIT option 

If the console is constantly outputting content, this can cause ktest
to get stuck waiting on the monitor to settle down.

The option MAX_MONITOR_WAIT is the maximum time (in seconds) for ktest
to wait for the console to flush.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2012-07-19 16:05:42 -04:00 committed by Steven Rostedt
parent cf79fab676
commit 407b95b7a0
2 changed files with 23 additions and 1 deletions
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16
tools/testing/ktest/ktest.pl
View File

@ -52,6 +52,7 @@ my %default = (
"STOP_AFTER_SUCCESS" => 10,
"STOP_AFTER_FAILURE" => 60,
"STOP_TEST_AFTER" => 600,
"MAX_MONITOR_WAIT" => 1800,
# required, and we will ask users if they don't have them but we keep the default
# value something that is common.
@ -98,6 +99,7 @@ my $reboot_on_success;
my $die_on_failure;
my $powercycle_after_reboot;
my $poweroff_after_halt;
my $max_monitor_wait;
my $ssh_exec;
my $scp_to_target;
my $scp_to_target_install;
@ -243,6 +245,7 @@ my %option_map = (
"POWER_OFF" => \$power_off,
"POWERCYCLE_AFTER_REBOOT" => \$powercycle_after_reboot,
"POWEROFF_AFTER_HALT" => \$poweroff_after_halt,
"MAX_MONITOR_WAIT" => \$max_monitor_wait,
"SLEEP_TIME" => \$sleep_time,
"BISECT_SLEEP_TIME" => \$bisect_sleep_time,
"PATCHCHECK_SLEEP_TIME" => \$patchcheck_sleep_time,
@ -1133,7 +1136,10 @@ sub reboot {
}
if (defined($time)) {
wait_for_monitor($time, $reboot_success_line);
if (wait_for_monitor($time, $reboot_success_line)) {
# reboot got stuck?
run_command "$power_cycle";
}
end_monitor;
}
}
@ -1228,6 +1234,8 @@ sub wait_for_monitor {
my $full_line = "";
my $line;
my $booted = 0;
my $start_time = time;
my $now;
doprint "** Wait for monitor to settle down **\n";
@ -1246,8 +1254,14 @@ sub wait_for_monitor {
if ($line =~ /\n/) {
$full_line = "";
}
$now = time;
if ($now - $start_time >= $max_monitor_wait) {
doprint "Exiting monitor flush due to hitting MAX_MONITOR_WAIT\n";
return 1;
}
}
print "** Monitor flushed **\n";
return 0;
}
sub save_logs {

8
tools/testing/ktest/sample.conf
View File

@ -695,6 +695,14 @@
# (default 60)
#BISECT_SLEEP_TIME = 60
# The max wait time (in seconds) for waiting for the console to finish.
# If for some reason, the console is outputting content without
# ever finishing, this will cause ktest to get stuck. This
# option is the max time ktest will wait for the monitor (console)
# to settle down before continuing.
# (default 1800)
#MAX_MONITOR_WAIT
# The time in between patch checks to sleep (in seconds)
# (default 60)
#PATCHCHECK_SLEEP_TIME = 60