def collect_cpu_freq(metadata, cpus):
# Parse /proc/cpuinfo: search for 'cpu MHz' (Intel) or 'clock' (Power8)
cpu_set = set(cpus)
cpu_freq = {}
cpu = None
for line in read_proc('cpuinfo'):
if line.startswith('processor'):
value = line.split(':', 1)[-1].strip()
cpu = int(value)
if cpu not in cpu_set:
# skip this CPU
cpu = None
elif line.startswith('cpu MHz') and cpu is not None:
# Intel: 'cpu MHz : 1261.613'
mhz = line.split(':', 1)[-1].strip()
mhz = float(mhz)
mhz = int(round(mhz))
cpu_freq[cpu] = '%s MHz' % mhz
elif line.startswith('clock') and line.endswith('MHz') and cpu is not None:
# Power8: 'clock : 3425.000000MHz'
mhz = line[:-3].split(':', 1)[-1].strip()
mhz = float(mhz)
mhz = int(round(mhz))
cpu_freq[cpu] = '%s MHz' % mhz
if not cpu_freq:
return
metadata['cpu_freq'] = '; '.join(format_cpu_infos(cpu_freq))
def collect_cpu_config(metadata, cpus):
nohz_full = read_first_line(sysfs_path('devices/system/cpu/nohz_full'))
if nohz_full:
nohz_full = parse_cpu_list(nohz_full)
isolated = get_isolated_cpus()
if isolated:
isolated = set(isolated)
configs = {}
for cpu in cpus:
config = get_cpu_config(cpu)
if nohz_full and cpu in nohz_full:
config.append('nohz_full')
if isolated and cpu in isolated:
config.append('isolated')
if config:
configs[cpu] = ', '.join(config)
config = format_cpu_infos(configs)
cpuidle = read_first_line('/sys/devices/system/cpu/cpuidle/current_driver')
if cpuidle:
config.append('idle:%s' % cpuidle)
if not config:
return
metadata['cpu_config'] = '; '.join(config)
def collect_cpu_config(metadata, cpus):
nohz_full = read_first_line(sysfs_path('devices/system/cpu/nohz_full'))
if nohz_full:
nohz_full = parse_cpu_list(nohz_full)
isolated = get_isolated_cpus()
if isolated:
isolated = set(isolated)
configs = {}
for cpu in cpus:
config = get_cpu_config(cpu)
if nohz_full and cpu in nohz_full:
config.append('nohz_full')
if isolated and cpu in isolated:
config.append('isolated')
if config:
configs[cpu] = ', '.join(config)
config = format_cpu_infos(configs)
cpuidle = read_first_line('/sys/devices/system/cpu/cpuidle/current_driver')
if cpuidle:
config.append('idle:%s' % cpuidle)
if not config:
return
metadata['cpu_config'] = '; '.join(config)
def show(self):
cpus = {}
for cpu in range(self.system.logical_cpu_count):
freq = self.read_cpu(cpu)
if freq is not None:
cpus[cpu] = freq
infos = format_cpu_infos(cpus)
if not infos:
return
self.log_state('; '.join(infos))
def show(self):
cpus = {}
for cpu in range(self.system.logical_cpu_count):
freq = self.read_cpu(cpu)
if freq is not None:
cpus[cpu] = freq
infos = format_cpu_infos(cpus)
if not infos:
return
self.log_state('; '.join(infos))
def collect_cpu_freq(metadata, cpus):
# Parse /proc/cpuinfo: search for 'cpu MHz' (Intel) or 'clock' (Power8)
cpu_set = set(cpus)
cpu_freq = {}
cpu = None
for line in read_proc('cpuinfo'):
line = line.rstrip()
if line.startswith('processor'):
# Intel format, example where \t is a tab (U+0009 character):
# processor\t: 7
# model name\t: Intel(R) Core(TM) i7-6820HQ CPU @ 2.70GHz
# cpu MHz\t\t: 800.009
match = re.match(r'^processor\s*: ([0-9]+)', line)
if match is None:
# IBM Z
# Example: "processor 0: version = 00, identification = [...]"
match = re.match(r'^processor ([0-9]+): ', line)
if match is None:
raise Exception
# unknown /proc/cpuinfo format: silently ignore and exit
return
cpu = int(match.group(1))
if cpu not in cpu_set:
# skip this CPU
cpu = None
elif line.startswith('cpu MHz') and cpu is not None:
# Intel: 'cpu MHz : 1261.613'
mhz = line.split(':', 1)[-1].strip()
mhz = float(mhz)
mhz = int(round(mhz))
cpu_freq[cpu] = '%s MHz' % mhz
elif line.startswith('clock') and line.endswith(
'MHz') and cpu is not None:
# Power8: 'clock : 3425.000000MHz'
mhz = line[:-3].split(':', 1)[-1].strip()
mhz = float(mhz)
mhz = int(round(mhz))
cpu_freq[cpu] = '%s MHz' % mhz
if not cpu_freq:
return
metadata['cpu_freq'] = '; '.join(format_cpu_infos(cpu_freq))
def collect_cpu_freq(metadata, cpus):
# Parse /proc/cpuinfo: search for 'cpu MHz' (Intel) or 'clock' (Power8)
cpu_set = set(cpus)
cpu_freq = {}
cpu = None
for line in read_proc('cpuinfo'):
line = line.rstrip()
if line.startswith('processor'):
# Intel format, example where \t is a tab (U+0009 character):
# processor\t: 7
# model name\t: Intel(R) Core(TM) i7-6820HQ CPU @ 2.70GHz
# cpu MHz\t\t: 800.009
match = re.match(r'^processor\s*: ([0-9]+)', line)
if match is None:
# IBM Z
# Example: "processor 0: version = 00, identification = [...]"
match = re.match(r'^processor ([0-9]+): ', line)
if match is None:
raise Exception
# unknown /proc/cpuinfo format: silently ignore and exit
return
cpu = int(match.group(1))
if cpu not in cpu_set:
# skip this CPU
cpu = None
elif line.startswith('cpu MHz') and cpu is not None:
# Intel: 'cpu MHz : 1261.613'
mhz = line.split(':', 1)[-1].strip()
mhz = float(mhz)
mhz = int(round(mhz))
cpu_freq[cpu] = '%s MHz' % mhz
elif line.startswith('clock') and line.endswith('MHz') and cpu is not None:
# Power8: 'clock : 3425.000000MHz'
mhz = line[:-3].split(':', 1)[-1].strip()
mhz = float(mhz)
mhz = int(round(mhz))
cpu_freq[cpu] = '%s MHz' % mhz
if not cpu_freq:
return
metadata['cpu_freq'] = '; '.join(format_cpu_infos(cpu_freq))
def show(self):
irqbalance_active = self.read_irqbalance_state()
if irqbalance_active is not None:
state = 'active' if irqbalance_active else 'inactive'
self.log_state("irqbalance service: %s" % state)
default_smp_affinity = self.read_default_affinity()
if default_smp_affinity:
self.log_state("Default IRQ affinity: CPU %s"
% format_cpu_list(default_smp_affinity))
irq_affinity = self.read_irqs_affinity()
if irq_affinity:
infos = {irq: 'CPU %s' % format_cpu_list(cpus)
for irq, cpus in irq_affinity.items()}
infos = format_cpu_infos(infos)
infos = ['IRQ %s' % info for info in infos]
self.log_state('IRQ affinity: %s' % '; '.join(infos))
def show(self):
irqbalance_active = self.read_irqbalance_state()
if irqbalance_active is not None:
state = 'active' if irqbalance_active else 'inactive'
self.log_state("irqbalance service: %s" % state)
default_smp_affinity = self.read_default_affinity()
if default_smp_affinity:
self.log_state("Default IRQ affinity: CPU %s"
% format_cpu_list(default_smp_affinity))
irq_affinity = self.read_irqs_affinity()
if irq_affinity:
infos = {irq: 'CPU %s' % format_cpu_list(cpus)
for irq, cpus in irq_affinity.items()}
infos = format_cpu_infos(infos)
infos = ['IRQ %s' % info for info in infos]
self.log_state('IRQ affinity: %s' % '; '.join(infos))