Hello chris and other guys,
I got an headache on one question.
When I execute a test case like virsh.version.with_libvirtd_stop, after the
execution, test passed, but at this time , I checked the environment, found
there are still 2 pid running:
[root@localhost virttest]# ps -ef | grep autotest | grep -v grep
root 6668 1 0 14:18 pts/0 00:00:00 /usr/bin/python -u ../../../autotest
control --verbose
root 6669 1 0 14:18 pts/0 00:00:00 /usr/bin/python -u ../../../autotest
control --verbose
I read the code again, at the end of fork_start() in
"autotest/client/parallel.py",
os._exit(0) will end the test process. And before os._exit(0), process
like this:
[root@localhost virttest]# ps -ef | grep autotest | grep -v grep
root 6660 4706 1 14:18 pts/0 00:00:05 /usr/bin/python -u
../../../autotest control --verbose
root 6668 6660 0 14:18 pts/0 00:00:00 /usr/bin/python -u
../../../autotest control --verbose
root 6669 6660 0 14:18 pts/0 00:00:00 /usr/bin/python -u
../../../autotest control --verbose
root 6741 6660 0 14:19 pts/0 00:00:00 /usr/bin/python -u
../../../autotest control --verbose
So seems after os._exit(0), parent pid was exited, child pids still
running. But in other test cases, this didn't happen, like
virsh.version.no_option. In this case, after os._exit(0), no child pid left.
[root@localhost virttest]# ps -ef | grep autotest | grep -v grep
[root@localhost virttest]#
I also checked other test cases, seems only virsh.**.with_libvirtd_stop
will get this problem.
I didn't find out why this happened, so can you give me some help ?
--
Regards,
--------------------------------------------------
Li Yang
TEL：+86+25-86630566-8529
EMail：[email protected]
--------------------------------------------------
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