1. block_hotplug.cfg: add separate scenario for repeated plug/unplug, no need repeat 300 times for each scenario when one pci.
2. block_hotplug.py: get and close a separate session when using it to fix file descriptor out of range problem.
3. stop_continue.py: close session when test finished.
Signed-off-by: NCong Li <coli@redhat.com>

Signed-off-by: NXu Han <xuhan@redhat.com>

Signed-off-by: NXu Han <xuhan@redhat.com>

block job test will eat a lots of caches in testing,
free caches  after test to avoid VM hang memory.
Signed-off-by: NXu Tian <xutian@redhat.com>

BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1400385Signed-off-by: NJing Zhao <jinzhao@redhat.com>

Signed-off-by: NCong Li <coli@redhat.com>

Signed-off-by: NPing Li <pingl@redhat.com>

Signed-off-by: NQianqian Zhu <qizhu@redhat.com>

Signed-off-by: NYanan Fu <yfu@redhat.com>

Signed-off-by: NQianqian Zhu <qizhu@redhat.com>

Signed-off-by: NQianqian Zhu <qizhu@redhat.com>

1. fix typo in single_driver_install.cfg.
2. add q35 configurations in boot_order_check.cfg.
Signed-off-by: NCong Li <coli@redhat.com>

sleep some seconds before check ballooned memory
Signed-off-by: NAihua Liang <aliang@redhat.com>

Signed-off-by: NXu Tian <xutian@redhat.com>

Signed-off-by: NWei Liao <weliao@redhat.com>

Fix a typo, verfiy -> verify; add a preposition 'with'.

Signed-off-by: NCong Li <coli@redhat.com>

Do live snapshot during the pre-action, and need wait for pre-action complete when snapshot finished.
Signed-off-by: NCong Li <coli@redhat.com>

I think it is 'expect_backingfile' not 'except_backingfile'

1. Win2008r2 is missing of param "guest_alias".
2. Fix the error of Win2008 guest_name.
3. Add Win2016 guest.
Signed-off-by: NCong Li <coli@redhat.com>

the default letter of winutils.iso is WIN_UTILS
Signed-off-by: NSuqin Huang <shuang@redhat.com>

Filter out 1G_hugepage tests for pseries because it does
not support that huge page size.
Signed-off-by: NXu Han <xuhan@redhat.com>

Fix typos and remove the unused variable
Signed-off-by: NWei Jiangang <weijg.fnst@cn.fujitsu.com>

Load/unload viorng driver befor/during/after rng_bat test
Signed-off-by: NSuqin Huang <shuang@redhat.com>

1. move function to parent class for reducing repetitive code.
2. correct the snapshot tag to get the right guest_file_name
for windows guest.
3. add case to change block interface for snapshot
Signed-off-by: NPing Li <pingl@redhat.com>

Signed-off-by: NXueqiang Wei <xuwei@redhat.com>

'only Windows' has been declared in balloon_in_use.cfg,
and it's parent tests also declared the same filter in
driver_load_stress.cfg and balloon_stress.cfg.
so the check for os type is redundant.
Signed-off-by: NWei Jiangang <weijg.fnst@cn.fujitsu.com>

The method used to set memory balloon had been changed
in 6a9d8295, The 'unit' never be used.
Signed-off-by: NWei Jiangang <weijg.fnst@cn.fujitsu.com>

Size of temporary file for iozone must be less than the disk size
Signed-off-by: NPing Li <pingl@redhat.com>

balloon_stress:
1.import random
2.define object balloon_test
3.remove MemoryBaseTest import

Signed-off-by:Aihua Liang<aliang@redhat.com>

1. Using framework function get_guest_cmd_status_output() to execute cmd in guest,
in case session is unavailable sometimes.
2. close session when test finished.
Signed-off-by: NCong Li <coli@redhat.com>

"Denying new connections due to the limit on number of connections" error
if don't close the session
Signed-off-by: NSuqin Huang <shuang@redhat.com>

it has been supported upstream
Signed-off-by: NSuqin Huang <shuang@redhat.com>

Signed-off-by: NCong Li <coli@redhat.com>

balloon_stress:
1.set default maximum balloon value--vm maximum mem
2.set memory balloon randomly, not constant value.
3.consider case:balloon_in_use call

Signed-off-by: Aihua Liang<aliang@redhat.com>

cdrom won't be recognized if virtio_scsi driver is uninstalled,
which will cause install driver failed after uninstall.
Signed-off-by: NCong Li <coli@redhat.com>

qemu.tests.balloon_check:
1.Optimize minimum ballooned size for windows guest
2.Optimize illegal test for windows guest
3.Seperate illegal as an individual cfg file
4.Compare windows guest's used memory for balloon check.
5.add function get_used_mem
6.modify the log info

qemu.tests.balloon_service:
1.Optimize code for balloon_service test.

qemu.tests.cfg.balloon_illegal:
1.add new cfg "balloon_illegal.cfg".
2.Adjust code for balloon_illegal test
3.Optimize code for windows's minimum balloon size

qemu.tests.cfg.balloon_service:
1.Set ratio to 0.1

qemu.tests.cfg.balloon_check:
1.Set ratio to 0.1
Signed-off-by: NAihua Liang <aliang@redhat.com>

Signed-off-by: NCong Li <coli@redhat.com>

Signed-off-by: NSuqin Huang <shuang@redhat.com>