qemu.tests: Add a test case for change queue with migrate

Add a new test case for change queue with migrate. Update the code
to handle the serail session break during test.

Signed-off-by: Yiqiao Pu <ypu@redhat.com>
qemu.tests.cfg: Update systemtap_tracing config

Disable some cases for rhel7 host, cause probe point not have in rhel7.

Signed-off-by: Shuping Cui <scui@redhat.com>
qemu.tests: Update netperf_stress config in suspend_under_netperf test case.

Need update netperf_stress config after netperf_stress.py updated.

Signed-off-by: Feng Yang <fyang@redhat.com>
qemu.tests: Wait for memory balloon back after subtest

Some subtest like reboot will cause memory inside guest ballooned
from original value again. So need wait for the memory size inside
guest adjust to the ballooned value again after the subtest finished.

Signed-off-by: Yiqiao Pu <ypu@redhat.com>
qemu.tests: Add a test case for collecting Windows guest information

This case is used to collect guest information in test loop. This will
help the test runner have more information about guest os version and
dirver version informations(virtio drivers version etc.).

Signed-off-by: Yiqiao Pu <ypu@redhat.com>
nic_hotplug: should boot guest without nic before hot-plug

1. nic_hotplug.cfg:
Have already updated the 'additional' and 'migration' part of nic_hotplug.cfg.

2. multi_nics_hotplug.cfg:
Update the single nic part.

Signed-off-by: Cong Li <coli@redhat.com>
qemu.tests: Add flow_caches_stress_test new test case

Signed-off-by: Feng Yang <fyang@redhat.com>
qemu.tests: Add new cases for check device option

Boot up guest with specific option and check the value of option
inside guest. This pullreqs include three subtest for option check.

Signed-off-by: Yiqiao Pu <ypu@redhat.com>
qemu.tests: Add a case migration with an ide disk doing pio operation

This case will do following steps:
  - disable dma in guest kernel command line to make sure ide disk using pio
  - check the pio and dma status inside guest
  - run iozone in background
  - do tcp migration

Signed-off-by: Yiqiao Pu <ypu@redhat.com>
qemu.tests.cfg: Add missed virtio_scsi config for multi_disk.max_disk

Signed-off-by: Shuping Cui <scui@redhat.com>
qemu: Update cfg files for the change of add parameters to guest kernel

Signed-off-by: Yiqiao Pu <ypu@redhat.com>
Merge pull request #115 from spcui/systemtap_tracing

qemu.tests.cfg: Update systemtap_tracing config
Merge pull request #132 from CongSmile/nic_hotplug.vhost

nic_hotplug.vhost: should boot guest without nic before hot-plug
Merge pull request #151 from spcui/multi_disk

qemu.tests.cfg: Add missed virtio_scsi config for multi_disk.max_disk
Merge pull request #81 from FengYang/flow_caches_stress_test

qemu.tests: Add flow_caches_stress_test new test case
qemu.tests: Add win_virtio_serial_data_transfer_reboot test script.

Signed-off-by: Feng Yang <fyang@redhat.com>
qemu.tests: Add win_virtio_serial_data_transfer_reboot test case.

Signed-off-by: Feng Yang <fyang@redhat.com>
qemu.tests: Add a case to query balloon memory size, stop and continue vm from monitor

This case will query balloon memory size then do stop and continue from
monitor. And will check guest status during and after test.

Signed-off-by: Yiqiao Pu <ypu@redhat.com>
qemu.test: Small bug fix for numa_stress

Signed-off-by: Yiqiao Pu <ypu@redhat.com>
Merge pull request #154 from ypu/numa_stress_fix

qemu.test: Small bug fix for numa_stress