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ktest: Monitor kernel while running of user tests

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Record the console of tests to both the console and the log.
Also, record the bug reports afte the test has completed.
Currently, if a kernel bug happens while running the userland
test, the test stops and will not record the kernel bug. This
makes it difficult to solve what happened.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2011-03-08 09:44:35 -05:00 committed by Steven Rostedt
parent 4651920e0a
commit 8ea0e063a7
1 changed files with 14 additions and 0 deletions
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14
tools/testing/ktest/ktest.pl
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@ -1110,6 +1110,7 @@ sub do_run_test {
# we are not guaranteed to get a full line
$full_line .= $line;
doprint $line;
if ($full_line =~ /call trace:/i) {
$bug = 1;
@ -1126,6 +1127,19 @@ sub do_run_test {
} while (!$child_done && !$bug);
if ($bug) {
my $failure_start = time;
my $now;
do {
$line = wait_for_input($monitor_fp, 1);
if (defined($line)) {
doprint $line;
}
$now = time;
if ($now - $failure_start >= $stop_after_failure) {
last;
}
} while (defined($line));
doprint "Detected kernel crash!\n";
# kill the child with extreme prejudice
kill 9, $child_pid;