On Wed, Apr 7, 2010 at 5:49 AM, Feng Yang <[email protected]> wrote:
> Signed-off-by: Feng Yang <[email protected]>
> ---
> client/tests/kvm/tests/ioquit.py | 54
> ++++++++++++++++++++++++++++++++
> client/tests/kvm/tests_base.cfg.sample | 4 ++
> 2 files changed, 58 insertions(+), 0 deletions(-)
> create mode 100644 client/tests/kvm/tests/ioquit.py
>
> diff --git a/client/tests/kvm/tests/ioquit.py
> b/client/tests/kvm/tests/ioquit.py
> new file mode 100644
> index 0000000..c75a0e3
> --- /dev/null
> +++ b/client/tests/kvm/tests/ioquit.py
> @@ -0,0 +1,54 @@
> +import logging, time, random, signal, os
> +from autotest_lib.client.common_lib import error
> +import kvm_test_utils, kvm_utils
> +
> +
> +def run_ioquit(test, params, env):
> + """
> + Emulate the poweroff under IO workload(dbench so far) using monitor
> + command 'quit'.
> +
> + �...@param test: Kvm test object
> + �...@param params: Dictionary with the test parameters.
> + �...@param env: Dictionary with test environment.
> + """
Hi Feng, after reading your test I think I got the idea. You want to
put some heavy load on the system, quit the VM through a monitor
command and then we pray for it to not segfault during the process.
However:
> + vm = kvm_test_utils.get_living_vm(env, params.get("main_vm"))
> + session = kvm_test_utils.wait_for_login(vm,
> + timeout=int(params.get("login_timeout", 360)))
> + session2 = kvm_test_utils.wait_for_login(vm,
> + timeout=int(params.get("login_timeout", 360)))
> + def is_autotest_launched():
> + if session.get_command_status("pgrep autotest") != 0:
> + logging.debug("Autotest process not found")
> + return False
> + return True
> +
> + test_name = params.get("background_test", "dbench")
> + control_file = params.get("control_file", "dbench.control")
> + timeout = int(params.get("test_timeout", 300))
> + control_path = os.path.join(test.bindir, "autotest_control",
> + control_file)
> + outputdir = test.outputdir
> +
> + pid = kvm_test_utils.run_autotest_background(vm, session2, control_path,
> + timeout, test_name,
> + outputdir)
> + if pid < 0:
> + raise error.TestError("Could not create child process to execute "
> + "autotest background")
> +
> + if kvm_utils.wait_for(is_autotest_launched, 240, 0, 2):
> + logging.debug("Background autotest successfully")
> + else:
> + logging.debug("Background autotest failed, start the test anyway")
> +
> + time.sleep(100 + random.randrange(0,100))
> + logging.info("Kill the virtual machine")
> + vm.process.close()
> +
> + logging.info("Kill the tracking process")
> + kvm_utils.safe_kill(pid, signal.SIGKILL)
> + kvm_test_utils.wait_autotest_background(pid)
> + session.close()
> + session2.close()
> +
> diff --git a/client/tests/kvm/tests_base.cfg.sample
> b/client/tests/kvm/tests_base.cfg.sample
> index 9b12fc2..d8530f6 100644
> --- a/client/tests/kvm/tests_base.cfg.sample
> +++ b/client/tests/kvm/tests_base.cfg.sample
> @@ -305,6 +305,10 @@ variants:
> - ksm_parallel:
> ksm_mode = "parallel"
>
> + - ioquit:
> + type = ioquit
> + control_file = dbench.control.200
> + background_test = dbench
> # system_powerdown, system_reset and shutdown *must* be the last ones
> # defined (in this order), since the effect of such tests can leave
> # the VM on a bad state.
> --
> 1.5.5.6
>
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--
Lucas
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