def test_event_phys_core_param(self):
found_flag = False
for lne in process.get_command_output_matching('perf list', 'hv_24x7'):
lne = lne.split(',')[0].split('/')[1]
if 'HPM_0THRD_NON_IDLE_CCYC__PHYS_CORE' in lne:
found_flag = True
break
if not found_flag:
self.cancel("HPM_0THRD_NON_IDLE_CCYC__PHYS_CORE not found")
result1 = self.event_stat('__PHYS_CORE,core=1/ sleep 1')
if "Invalid event/parameter" not in result1.stdout.decode("utf-8"):
self.fail('perf unable to recognize'
' hv_24x7/HPM_0THRD_NON_IDLE_CCYC__PHYS_CORE'
' has invalid event')
else:
self.log.info('perf recognized Invalid event')
def setUp(self):
'''
Install the basic packages to support perf
'''
# Check for basic utilities
smm = SoftwareManager()
detected_distro = distro.detect()
distro_name = detected_distro.name
if detected_distro.arch != 'ppc64le':
self.cancel('This test is not supported on %s architecture' %
detected_distro.arch)
if cpu.get_family() == 'power8':
self.cancel('This test not applies to Power8')
if 'PowerNV' not in genio.read_file('/proc/cpuinfo').rstrip(
'\t\r\n\0'):
self.cancel('This test applies only to PowerNV')
deps = ['gcc', 'make']
if 'Ubuntu' in distro_name:
deps.extend(
['linux-tools-common',
'linux-tools-%s' % platform.uname()[2]])
elif distro_name in ['rhel', 'SuSE', 'fedora', 'centos']:
deps.extend(['perf'])
else:
self.cancel("Install the package for perf supported \
by %s" % detected_distro.name)
for package in deps:
if not smm.check_installed(package) and not smm.install(package):
self.cancel('%s is needed for the test to be run' % package)
# Collect nest events
self.list_of_nest_events = []
for line in process.get_command_output_matching('perf list', 'nest_'):
line = line.split(' ')[2]
if 'pm_nest' in line:
continue
self.list_of_nest_events.append(line)
# Clear the dmesg, by that we can capture the delta at the end of the
# test.
process.run("dmesg -c", sudo=True)
def setUp(self):
'''
Install the basic packages to support perf
'''
# Check for basic utilities
smm = SoftwareManager()
detected_distro = distro.detect()
self.distro_name = detected_distro.name
if 'ppc64' not in detected_distro.arch:
self.cancel('This test is not supported on %s architecture' %
detected_distro.arch)
if 'PowerNV' in genio.read_file('/proc/cpuinfo'):
self.cancel('This test is only supported on LPAR')
deps = ['gcc', 'make']
if 'Ubuntu' in self.distro_name:
deps.extend(
['linux-tools-common',
'linux-tools-%s' % platform.uname()[2]])
elif self.distro_name in ['rhel', 'SuSE', 'fedora', 'centos']:
deps.extend(['perf'])
else:
self.cancel("Install the package for perf supported \
by %s" % detected_distro.name)
for package in deps:
if not smm.check_installed(package) and not smm.install(package):
self.cancel('%s is needed for the test to be run' % package)
# Collect all hv_gpci events
self.list_of_hv_gpci_events = []
for line in process.get_command_output_matching(
'perf list', 'hv_gpci'):
line = line.split(',')[0].split('/')[1]
self.list_of_hv_gpci_events.append(line)
# Clear the dmesg, by that we can capture the delta at the end of
# the test.
output = process.run("dmesg -c")
def setUp(self):
"""
Setup checks :
0. Processor should be ppc64.
1. Perf package
2. 24x7 is not supported on guest
3. 24x7 is present
4. Performance measurement is enabled in LPAR through BMC
"""
smm = SoftwareManager()
detected_distro = distro.detect()
if 'ppc64' not in detected_distro.arch:
self.cancel("Processor is not PowerPC")
deps = ['gcc', 'make']
if 'Ubuntu' in detected_distro.name:
deps.extend(
['linux-tools-common',
'linux-tools-%s' % platform.uname()[2]])
elif detected_distro.name in ['rhel', 'SuSE', 'fedora', 'centos']:
deps.extend(['perf', 'numactl'])
else:
self.cancel("Install the package for perf supported by %s" %
detected_distro.name)
for package in deps:
if not smm.check_installed(package) and not smm.install(package):
self.cancel('%s is needed for the test to be run' % package)
cpu_family = cpu.get_family()
perf_args = "perf stat -v -e"
if cpu_family == 'power8':
perf_stat = "%s hv_24x7/HPM_0THRD_NON_IDLE_CCYC" % perf_args
elif cpu_family == 'power9':
perf_stat = "%s hv_24x7/CPM_TLBIE" % perf_args
elif cpu_family == 'power10':
perf_stat = "%s hv_24x7/CPM_TLBIE_FIN" % perf_args
event_sysfs = "/sys/bus/event_source/devices/hv_24x7"
# Check if this is a guest
# 24x7 is not suported on guest
if "emulated by" in cpu._get_info():
self.cancel("This test is not supported on guest")
# Check if 24x7 is present
if os.path.exists(event_sysfs):
self.log.info('hv_24x7 present')
else:
self.cancel("%s doesn't exist.This test is supported"
" only on PowerVM" % event_sysfs)
# Performance measurement has to be enabled in lpar through BMC
# Check if its enabled
result_perf = process.run("%s,domain=2,core=1/ sleep 1" % perf_stat,
ignore_status=True)
if "operations is limited" in result_perf.stderr.decode("utf-8"):
self.cancel("Please enable LPAR to allow collecting"
" the 24x7 counters info")
# Getting the number of cores
output = process.run("lscpu")
for line in output.stdout.decode("utf-8").split('\n'):
if 'Core(s) per socket:' in line:
self.cores = int(line.split(':')[1].strip())
# Getting the number of chips available in the machine
self.chip = memory.numa_nodes()
# Collect all hv_24x7 events
self.list_of_hv_24x7_events = []
for lne in process.get_command_output_matching('perf list', 'hv_24x7'):
lne = lne.split(',')[0].split('/')[1]
self.list_of_hv_24x7_events.append(lne)
# Clear the dmesg to capture the delta at the end of the test.
process.run("dmesg -C", sudo=True)
def test_does_not_match(self):
res = process.get_command_output_matching("echo foo", "bar")
self.assertEqual(res, [])
def test_matches_multiple(self):
res = process.get_command_output_matching("echo -e 'foo\nfoo\n'",
"foo")
self.assertEqual(res, ["foo", "foo"])
def test_matches(self):
res = process.get_command_output_matching("echo foo", "foo")
self.assertEqual(res, ["foo"])
