This test suspends a guest OS to disk, it supports Linux and Windows.
Signed-off-by: Ken Cao <kcao@xxxxxxxxxx>
Signed-off-by: Yolkfull Chow <yzhou@xxxxxxxxxx>
---
client/tests/kvm/kvm_tests.cfg.sample | 16 ++++++++
client/tests/kvm/tests/guest_s4.py | 66 +++++++++++++++++++++++++++++++++
2 files changed, 82 insertions(+), 0 deletions(-)
create mode 100644 client/tests/kvm/tests/guest_s4.py
diff --git a/client/tests/kvm/kvm_tests.cfg.sample b/client/tests/kvm/kvm_tests.cfg.sample
index cc3228a..9ccc9b5 100644
--- a/client/tests/kvm/kvm_tests.cfg.sample
+++ b/client/tests/kvm/kvm_tests.cfg.sample
@@ -118,6 +118,15 @@ variants:
- linux_s3: install setup
type = linux_s3
+ - guest_s4:
+ type = guest_s4
+ check_s4_support_cmd = grep -q disk /sys/power/state
+ test_s4_cmd = "cd /tmp/;nohup tcpdump -q -t ip host localhost"
+ check_s4_cmd = pgrep tcpdump
+ set_s4_cmd = echo disk > /sys/power/state
+ kill_test_s4_cmd = pkill tcpdump
+ services_up_timeout = 30
+
- timedrift: install setup
extra_params += " -rtc-td-hack"
variants:
@@ -507,6 +516,13 @@ variants:
# Alternative host load:
#host_load_command = "dd if=/dev/urandom of=/dev/null"
host_load_instances = 8
+ guest_s4:
+ check_s4_support_cmd = powercfg /hibernate on
+ test_s4_cmd = start /B ping -n 3000 localhost
+ check_s4_cmd = tasklist | find /I "ping"
+ set_s4_cmd = rundll32.exe PowrProf.dll, SetSuspendState
+ kill_test_s4_cmd = taskkill /IM ping.exe /F
+ services_up_timeout = 30
nic_hotplug:
reference_cmd = ipconfig /all
find_pci_cmd = ipconfig /all | find "Description"
diff --git a/client/tests/kvm/tests/guest_s4.py b/client/tests/kvm/tests/guest_s4.py
new file mode 100644
index 0000000..7147e3b
--- /dev/null
+++ b/client/tests/kvm/tests/guest_s4.py
@@ -0,0 +1,66 @@
+import logging, time
+from autotest_lib.client.common_lib import error
+import kvm_test_utils, kvm_utils
+
+
+def run_guest_s4(test, params, env):
+ """
+ Suspend guest to disk,supports both Linux & Windows OSes.
+
+ @param test: kvm test object.
+ @param params: Dictionary with test parameters.
+ @param env: Dictionary with the test environment.
+ """
+ vm = kvm_test_utils.get_living_vm(env, params.get("main_vm"))
+ session = kvm_test_utils.wait_for_login(vm)
+
+ logging.info("Checking whether guest OS supports suspend to disk (S4)")
+ status = session.get_command_status(params.get("check_s4_support_cmd"))
+ if status is None:
+ logging.error("Failed to check if guest OS supports S4")
+ elif status != 0:
+ raise error.TestFail("Guest OS does not support S4")
+
+ logging.info("Wait until all guest OS services are fully started")
+ time.sleep(params.get("services_up_timeout"))
+
+ # Start up a program (tcpdump for linux & ping for Windows), as a flag.
+ # If the program died after suspend, then fails this testcase.
+ test_s4_cmd = params.get("test_s4_cmd")
+ session.sendline(test_s4_cmd)
+
+ # Get the second session to start S4
+ session2 = kvm_test_utils.wait_for_login(vm)
+
+ check_s4_cmd = params.get("check_s4_cmd")
+ if session2.get_command_status(check_s4_cmd):
+ raise error.TestError("Failed to launch '%s' as a background process" %
+ test_s4_cmd)
+ logging.info("Launched background command in guest: %s" % test_s4_cmd)
+
+ # Suspend to disk
+ logging.info("Start suspend to disk now...")
+ session2.sendline(params.get("set_s4_cmd"))
+
+ if not kvm_utils.wait_for(vm.is_dead, 360, 30, 2):
+ raise error.TestFail("VM refuses to go down. Suspend failed")
+ logging.info("VM suspended successfully. Wait before booting it again.")
+ time.sleep(10)
+
+ # Start vm, and check whether the program is still running
+ logging.info("Start suspended VM...")
+
+ if not vm.create():
+ raise error.TestError("Failed to start VM after suspend to disk")
+ if not vm.is_alive():
+ raise error.TestError("VM seems to be dead after it was suspended")
+
+ # Check whether test command still alive
+ logging.info("Checking if background command is still alive")
+ if session2.get_command_status(check_s4_cmd):
+ raise error.TestFail("Command %s failed. S4 failed" % test_s4_cmd)
+
+ logging.info("VM resumed successfuly after suspend to disk")
+ session2.sendline(params.get("kill_test_s4_cmd"))
+ session.close()
+ session2.close()
--
1.6.2.5
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