def start_worker_guest_kdump(self, mig_data, login_timeout,
crash_kernel_prob_cmd,
kernel_param_cmd,
kdump_enable_cmd,
nvcpu, crash_cmd):
"""
force the Linux kernel to crash before migration
:param mig_data: Data for migration
:param login_timeout: timeout of login
:param crash_kernel_prob_cmd: cmd for check kdump loaded
:param kernel_param_cmd: the param add into kernel line for kdump
:param kdump_enable_cmd: enable kdump command
:param nvcpu: which is used to trigger a crash
:param crash_cmd: which is triggered crash command
"""
vm = mig_data.vms[0]
kdump.preprocess_kdump(test, vm, login_timeout)
kdump.kdump_enable(vm, vm.name, crash_kernel_prob_cmd,
kernel_param_cmd, kdump_enable_cmd,
login_timeout)
error.context("Kdump Testing, force the Linux kernel to crash",
logging.info)
kdump.crash_test(test, vm, nvcpu, crash_cmd, login_timeout)
def start_worker_guest_kdump(self, mig_data, login_timeout,
crash_kernel_prob_cmd, kernel_param_cmd,
kdump_enable_cmd, nvcpu, crash_cmd):
"""
force the Linux kernel to crash before migration
:param mig_data: Data for migration
:param login_timeout: timeout of login
:param crash_kernel_prob_cmd: cmd for check kdump loaded
:param kernel_param_cmd: the param add into kernel line for kdump
:param kdump_enable_cmd: enable kdump command
:param nvcpu: which is used to trigger a crash
:param crash_cmd: which is triggered crash command
"""
vm = mig_data.vms[0]
kdump.preprocess_kdump(test, vm, login_timeout)
kdump.kdump_enable(vm, vm.name, crash_kernel_prob_cmd,
kernel_param_cmd, kdump_enable_cmd,
login_timeout)
error.context("Kdump Testing, force the Linux kernel to crash",
logging.info)
kdump.crash_test(test, vm, nvcpu, crash_cmd, login_timeout)
def run(test, params, env):
"""
KVM kdump test with stress:
1) Log into a guest
2) Check, configure and enable the kdump
3) Load stress with netperf/stress tool in guest
4) Trigger a crash by 'sysrq-trigger' and check the vmcore for each vcpu,
or only trigger one crash with nmi interrupt and check vmcore.
:param test: kvm test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
def install_stress_app(session):
"""
Install stress app in guest.
"""
stress_path = data_dir.get_deps_dir("stress")
stress_guest_path = params["tmp_dir"]
logging.info("Copy stress package to guest.")
session.cmd_status_output("mkdir -p %s" % stress_guest_path)
vm.copy_files_to(stress_path, stress_guest_path)
session.cmd(params["install_cmd"])
logging.info("Install app successed")
def start_stress(session):
"""
Load stress in guest.
"""
error_context.context("Load stress in guest", logging.info)
stress_type = params.get("stress_type", "none")
if stress_type == "none":
return
if stress_type == "netperf":
bg = ""
bg_stress_test = params.get("run_bgstress")
bg = utils_misc.InterruptedThread(utils_test.run_virt_sub_test,
(test, params, env),
{"sub_type": bg_stress_test})
bg.start()
if stress_type == "io":
install_stress_app(session)
cmd = params.get("start_cmd")
logging.info("Launch stress app in guest with command: '%s'", cmd)
session.sendline(cmd)
running = utils_misc.wait_for(lambda: stress_running(session),
timeout=150,
step=5)
if not running:
test.error("Stress isn't running")
logging.info("Stress running now")
def stress_running(session):
"""
Check stress app really run in background.
"""
cmd = params.get("kdump_check_cmd")
status = session.cmd_status(cmd, timeout=120)
return status == 0
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
timeout = float(params.get("login_timeout", 240))
crash_timeout = float(params.get("crash_timeout", 360))
def_kernel_param_cmd = ("grubby --update-kernel=`grubby --default-kernel`"
" --args=crashkernel=128M@16M")
kernel_param_cmd = params.get("kernel_param_cmd", def_kernel_param_cmd)
def_kdump_enable_cmd = "chkconfig kdump on && service kdump restart"
kdump_enable_cmd = params.get("kdump_enable_cmd", def_kdump_enable_cmd)
def_crash_kernel_prob_cmd = "grep -q 1 /sys/kernel/kexec_crash_loaded"
crash_kernel_prob_cmd = params.get("crash_kernel_prob_cmd",
def_crash_kernel_prob_cmd)
session = kdump.kdump_enable(vm, vm.name, crash_kernel_prob_cmd,
kernel_param_cmd, kdump_enable_cmd, timeout)
try:
start_stress(session)
error_context.context("Kdump Testing, force the Linux kernel to crash",
logging.info)
crash_cmd = params.get("crash_cmd", "echo c > /proc/sysrq-trigger")
if crash_cmd == "nmi":
kdump.crash_test(test, vm, None, crash_cmd, timeout)
else:
# trigger crash for each vcpu
nvcpu = int(params.get("smp", 1))
for i in range(nvcpu):
kdump.crash_test(test, vm, i, crash_cmd, timeout)
kdump.check_vmcore(test, vm, session, crash_timeout)
finally:
session.close()
vm.destroy()
def run(test, params, env):
"""
KVM kdump test with stress:
1) Log into a guest
2) Check, configure and enable the kdump
3) Load stress with netperf/stress tool in guest
4) Trigger a crash by 'sysrq-trigger' and check the vmcore for each vcpu,
or only trigger one crash with nmi interrupt and check vmcore.
:param test: kvm test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
def install_stress_app(session):
"""
Install stress app in guest.
"""
if session.cmd_status(params.get("app_check_cmd", "true")) == 0:
logging.info("Stress app already installed in guest.")
return
link = params.get("download_link")
md5sum = params.get("pkg_md5sum")
tmp_dir = params.get("tmp_dir", "/var/tmp")
install_cmd = params.get("install_cmd")
logging.info("Fetch package: '%s'" % link)
pkg_name = os.path.basename(link)
pkg_path = os.path.join(test.tmpdir, pkg_name)
download.get_file(link, pkg_path, hash_expected=md5sum)
vm.copy_files_to(pkg_path, tmp_dir)
logging.info("Install app: '%s' in guest." % install_cmd)
s, o = session.cmd_status_output(install_cmd, timeout=300)
if s != 0:
test.error("Fail to install stress app(%s)" % o)
logging.info("Install app successed")
def start_stress(session):
"""
Load stress in guest.
"""
error_context.context("Load stress in guest", logging.info)
stress_type = params.get("stress_type", "none")
if stress_type == "none":
return
if stress_type == "netperf":
bg = ""
bg_stress_test = params.get("run_bgstress")
bg = utils_misc.InterruptedThread(utils_test.run_virt_sub_test,
(test, params, env),
{"sub_type": bg_stress_test})
bg.start()
if stress_type == "io":
install_stress_app(session)
cmd = params.get("start_cmd")
logging.info("Launch stress app in guest with command: '%s'" % cmd)
session.sendline(cmd)
running = utils_misc.wait_for(lambda: stress_running(session),
timeout=150, step=5)
if not running:
test.error("Stress isn't running")
logging.info("Stress running now")
def stress_running(session):
"""
Check stress app really run in background.
"""
cmd = params.get("kdump_check_cmd")
status = session.cmd_status(cmd, timeout=120)
return status == 0
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
timeout = float(params.get("login_timeout", 240))
crash_timeout = float(params.get("crash_timeout", 360))
def_kernel_param_cmd = ("grubby --update-kernel=`grubby --default-kernel`"
" --args=crashkernel=128M@16M")
kernel_param_cmd = params.get("kernel_param_cmd", def_kernel_param_cmd)
def_kdump_enable_cmd = "chkconfig kdump on && service kdump restart"
kdump_enable_cmd = params.get("kdump_enable_cmd", def_kdump_enable_cmd)
def_crash_kernel_prob_cmd = "grep -q 1 /sys/kernel/kexec_crash_loaded"
crash_kernel_prob_cmd = params.get("crash_kernel_prob_cmd",
def_crash_kernel_prob_cmd)
session = kdump.kdump_enable(vm, vm.name,
crash_kernel_prob_cmd, kernel_param_cmd,
kdump_enable_cmd, timeout)
try:
start_stress(session)
error_context.context("Kdump Testing, force the Linux kernel to crash",
logging.info)
crash_cmd = params.get("crash_cmd", "echo c > /proc/sysrq-trigger")
if crash_cmd == "nmi":
kdump.crash_test(test, vm, None, crash_cmd, timeout)
else:
# trigger crash for each vcpu
nvcpu = int(params.get("smp", 1))
for i in range(nvcpu):
kdump.crash_test(test, vm, i, crash_cmd, timeout)
kdump.check_vmcore(test, vm, session, crash_timeout)
finally:
session.close()
vm.destroy()
def run(test, params, env):
"""
KVM kdump test with stress:
1) Log into a guest
2) Check, configure and enable the kdump
3) Load stress with netperf/stress tool in guest
4) Trigger a crash by 'sysrq-trigger' and check the vmcore for each vcpu,
or only trigger one crash with nmi interrupt and check vmcore.
:param test: kvm test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
def install_stress_app(session):
"""
Install stress app in guest.
"""
if session.cmd_status(params.get("app_check_cmd", "true")) == 0:
logging.info("Stress app already installed in guest.")
return
link = params.get("download_link")
md5sum = params.get("pkg_md5sum")
tmp_dir = params.get("tmp_dir", "/var/tmp")
install_cmd = params.get("install_cmd")
logging.info("Fetch package: '%s'" % link)
pkg = utils.unmap_url_cache(test.tmpdir, link, md5sum)
vm.copy_files_to(pkg, tmp_dir)
logging.info("Install app: '%s' in guest." % install_cmd)
s, o = session.cmd_status_output(install_cmd, timeout=300)
if s != 0:
raise error.TestError("Fail to install stress app(%s)" % o)
logging.info("Install app successed")
def start_stress(session):
"""
Load stress in guest.
"""
error.context("Load stress in guest", logging.info)
stress_type = params.get("stress_type", "none")
if stress_type == "none":
return
if stress_type == "netperf":
bg = ""
bg_stress_test = params.get("run_bgstress")
bg = utils.InterruptedThread(utils_test.run_virt_sub_test,
(test, params, env),
{"sub_type": bg_stress_test})
bg.start()
if stress_type == "io":
install_stress_app(session)
cmd = params.get("start_cmd")
logging.info("Launch stress app in guest with command: '%s'" % cmd)
session.sendline(cmd)
running = utils_misc.wait_for(lambda: stress_running(session),
timeout=150,
step=5)
if not running:
raise error.TestError("Stress isn't running")
logging.info("Stress running now")
def stress_running(session):
"""
Check stress app really run in background.
"""
cmd = params.get("check_cmd")
status = session.cmd_status(cmd, timeout=120)
return status == 0
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
timeout = float(params.get("login_timeout", 240))
crash_timeout = float(params.get("crash_timeout", 360))
def_kernel_param_cmd = ("grubby --update-kernel=`grubby --default-kernel`"
" --args=crashkernel=128M@16M")
kernel_param_cmd = params.get("kernel_param_cmd", def_kernel_param_cmd)
def_kdump_enable_cmd = "chkconfig kdump on && service kdump restart"
kdump_enable_cmd = params.get("kdump_enable_cmd", def_kdump_enable_cmd)
def_crash_kernel_prob_cmd = "grep -q 1 /sys/kernel/kexec_crash_loaded"
crash_kernel_prob_cmd = params.get("crash_kernel_prob_cmd",
def_crash_kernel_prob_cmd)
session = kdump.kdump_enable(vm, vm.name, crash_kernel_prob_cmd,
kernel_param_cmd, kdump_enable_cmd, timeout)
try:
start_stress(session)
error.context("Kdump Testing, force the Linux kernel to crash",
logging.info)
crash_cmd = params.get("crash_cmd", "echo c > /proc/sysrq-trigger")
if crash_cmd == "nmi":
kdump.crash_test(vm, None, crash_cmd, timeout)
else:
# trigger crash for each vcpu
nvcpu = int(params.get("smp", 1))
for i in range(nvcpu):
kdump.crash_test(vm, i, crash_cmd, timeout)
kdump.check_vmcore(vm, session, crash_timeout)
finally:
session.close()
vm.destroy()
