def update(self):
"""Update quicklook stats using the input method."""
# Reset stats
self.reset()
# Grab quicklook stats: CPU, MEM and SWAP
if self.input_method == 'local':
# Get the latest CPU percent value
self.stats['cpu'] = cpu_percent.get()
self.stats['percpu'] = cpu_percent.get(percpu=True)
# Use the PsUtil lib for the memory (virtual and swap)
self.stats['mem'] = psutil.virtual_memory().percent
self.stats['swap'] = psutil.swap_memory().percent
elif self.input_method == 'snmp':
# Not available
pass
# Optionnaly, get the CPU name/frequency
# thanks to the cpuinfo lib: https://github.com/workhorsy/py-cpuinfo
if cpuinfo_tag:
cpu_info = cpuinfo.get_cpu_info()
self.stats['cpu_name'] = cpu_info['brand']
self.stats['cpu_hz_current'] = cpu_info['hz_actual_raw'][0]
self.stats['cpu_hz'] = cpu_info['hz_advertised_raw'][0]
# Update the view
self.update_views()
return self.stats
def update(self):
"""Update quicklook stats using the input method."""
# Init new stats
stats = self.get_init_value()
# Grab quicklook stats: CPU, MEM and SWAP
if self.input_method == 'local':
# Get the latest CPU percent value
stats['cpu'] = cpu_percent.get()
stats['percpu'] = cpu_percent.get(percpu=True)
# Use the psutil lib for the memory (virtual and swap)
stats['mem'] = psutil.virtual_memory().percent
stats['swap'] = psutil.swap_memory().percent
elif self.input_method == 'snmp':
# Not available
pass
# Optionnaly, get the CPU name/frequency
# thanks to the cpuinfo lib: https://github.com/workhorsy/py-cpuinfo
if cpuinfo_tag:
cpu_info = cpuinfo.get_cpu_info()
# Check cpu_info (issue #881)
if cpu_info is not None:
stats['cpu_name'] = cpu_info.get('brand', 'CPU')
if 'hz_actual_raw' in cpu_info:
stats['cpu_hz_current'] = cpu_info['hz_actual_raw'][0]
if 'hz_advertised_raw' in cpu_info:
stats['cpu_hz'] = cpu_info['hz_advertised_raw'][0]
# Update the stats
self.stats = stats
return self.stats
def update(self):
"""Update quicklook stats using the input method."""
# Init new stats
stats = self.get_init_value()
# Grab quicklook stats: CPU, MEM and SWAP
if self.input_method == 'local':
# Get the latest CPU percent value
stats['cpu'] = cpu_percent.get()
stats['percpu'] = cpu_percent.get(percpu=True)
# Use the psutil lib for the memory (virtual and swap)
stats['mem'] = psutil.virtual_memory().percent
stats['swap'] = psutil.swap_memory().percent
elif self.input_method == 'snmp':
# Not available
pass
# Optionnaly, get the CPU name/frequency
# thanks to the cpuinfo lib: https://github.com/workhorsy/py-cpuinfo
if cpuinfo_tag:
cpu_info = cpuinfo.get_cpu_info()
# Check cpu_info (issue #881)
if cpu_info is not None:
stats['cpu_name'] = cpu_info.get('brand', 'CPU')
if 'hz_actual_raw' in cpu_info:
stats['cpu_hz_current'] = cpu_info['hz_actual_raw'][0]
if 'hz_advertised_raw' in cpu_info:
stats['cpu_hz'] = cpu_info['hz_advertised_raw'][0]
# Update the stats
self.stats = stats
return self.stats
def update(self):
"""Update quicklook stats using the input method."""
# Reset stats
self.reset()
# Grab quicklook stats: CPU, MEM and SWAP
if self.input_method == 'local':
# Get the latest CPU percent value
self.stats['cpu'] = cpu_percent.get()
self.stats['percpu'] = cpu_percent.get(percpu=True)
# Use the PsUtil lib for the memory (virtual and swap)
self.stats['mem'] = psutil.virtual_memory().percent
self.stats['swap'] = psutil.swap_memory().percent
elif self.input_method == 'snmp':
# Not available
pass
# Optionnaly, get the CPU name/frequency
# thanks to the cpuinfo lib: https://github.com/workhorsy/py-cpuinfo
if cpuinfo_tag:
cpu_info = cpuinfo.get_cpu_info()
self.stats['cpu_name'] = cpu_info['brand']
self.stats['cpu_hz_current'] = cpu_info['hz_actual_raw'][0]
self.stats['cpu_hz'] = cpu_info['hz_advertised_raw'][0]
# Update the view
self.update_views()
return self.stats
def update(self):
"""Update per-CPU stats using the input method."""
# Reset stats
self.reset()
# Grab per-CPU stats using psutil's cpu_percent(percpu=True) and
# cpu_times_percent(percpu=True) methods
if self.input_method == 'local':
self.stats = cpu_percent.get(percpu=True)
else:
# Update stats using SNMP
pass
return self.stats
def update_local(self):
"""Update CPU stats using psutil."""
# Grab CPU stats using psutil's cpu_percent and cpu_times_percent
# Get all possible values for CPU stats: user, system, idle,
# nice (UNIX), iowait (Linux), irq (Linux, FreeBSD), steal (Linux 2.6.11+)
# The following stats are returned by the API but not displayed in the UI:
# softirq (Linux), guest (Linux 2.6.24+), guest_nice (Linux 3.2.0+)
# Init new stats
stats = self.get_init_value()
stats['total'] = cpu_percent.get()
cpu_times_percent = psutil.cpu_times_percent(interval=0.0)
for stat in [
'user', 'system', 'idle', 'nice', 'iowait', 'irq', 'softirq',
'steal', 'guest', 'guest_nice'
]:
if hasattr(cpu_times_percent, stat):
stats[stat] = getattr(cpu_times_percent, stat)
# Additional CPU stats (number of events not as a %; psutil>=4.1.0)
# ctx_switches: number of context switches (voluntary + involuntary) per second
# interrupts: number of interrupts per second
# soft_interrupts: number of software interrupts per second. Always set to 0 on Windows and SunOS.
# syscalls: number of system calls since boot. Always set to 0 on Linux.
cpu_stats = psutil.cpu_stats()
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
time_since_update = getTimeSinceLastUpdate('cpu')
# Previous CPU stats are stored in the cpu_stats_old variable
if not hasattr(self, 'cpu_stats_old'):
# First call, we init the cpu_stats_old var
self.cpu_stats_old = cpu_stats
else:
for stat in cpu_stats._fields:
if getattr(cpu_stats, stat) is not None:
stats[stat] = getattr(cpu_stats, stat) - getattr(
self.cpu_stats_old, stat)
stats['time_since_update'] = time_since_update
# Core number is needed to compute the CTX switch limit
stats['cpucore'] = self.nb_log_core
# Save stats to compute next step
self.cpu_stats_old = cpu_stats
return stats
def update(self):
"""Update per-CPU stats using the input method."""
# Reset stats
self.reset()
# Grab per-CPU stats using psutil's cpu_percent(percpu=True) and
# cpu_times_percent(percpu=True) methods
if self.input_method == 'local':
self.stats = cpu_percent.get(percpu=True)
else:
# Update stats using SNMP
pass
return self.stats
def update_local(self):
"""Update CPU stats using psutil."""
# Grab CPU stats using psutil's cpu_percent and cpu_times_percent
# Get all possible values for CPU stats: user, system, idle,
# nice (UNIX), iowait (Linux), irq (Linux, FreeBSD), steal (Linux 2.6.11+)
# The following stats are returned by the API but not displayed in the UI:
# softirq (Linux), guest (Linux 2.6.24+), guest_nice (Linux 3.2.0+)
# Init new stats
stats = self.get_init_value()
stats['total'] = cpu_percent.get()
cpu_times_percent = psutil.cpu_times_percent(interval=0.0)
for stat in ['user', 'system', 'idle', 'nice', 'iowait',
'irq', 'softirq', 'steal', 'guest', 'guest_nice']:
if hasattr(cpu_times_percent, stat):
stats[stat] = getattr(cpu_times_percent, stat)
# Additional CPU stats (number of events not as a %; psutil>=4.1.0)
# ctx_switches: number of context switches (voluntary + involuntary) per second
# interrupts: number of interrupts per second
# soft_interrupts: number of software interrupts per second. Always set to 0 on Windows and SunOS.
# syscalls: number of system calls since boot. Always set to 0 on Linux.
cpu_stats = psutil.cpu_stats()
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
time_since_update = getTimeSinceLastUpdate('cpu')
# Previous CPU stats are stored in the cpu_stats_old variable
if not hasattr(self, 'cpu_stats_old'):
# First call, we init the cpu_stats_old var
self.cpu_stats_old = cpu_stats
else:
for stat in cpu_stats._fields:
if getattr(cpu_stats, stat) is not None:
stats[stat] = getattr(cpu_stats, stat) - getattr(self.cpu_stats_old, stat)
stats['time_since_update'] = time_since_update
# Core number is needed to compute the CTX switch limit
stats['cpucore'] = self.nb_log_core
# Save stats to compute next step
self.cpu_stats_old = cpu_stats
return stats
def update(self):
"""Update per-CPU stats using the input method."""
# Init new stats
stats = self.get_init_value()
# Grab per-CPU stats using psutil's cpu_percent(percpu=True) and
# cpu_times_percent(percpu=True) methods
if self.input_method == 'local':
stats = cpu_percent.get(percpu=True)
else:
# Update stats using SNMP
pass
# Update the stats
self.stats = stats
return self.stats
def update(self):
"""Update per-CPU stats using the input method."""
# Init new stats
stats = self.get_init_value()
# Grab per-CPU stats using psutil's cpu_percent(percpu=True) and
# cpu_times_percent(percpu=True) methods
if self.input_method == 'local':
stats = cpu_percent.get(percpu=True)
else:
# Update stats using SNMP
pass
# Update the stats
self.stats = stats
return self.stats
def update(self):
"""Update CPU stats using the input method."""
# Reset stats
self.reset()
# Grab CPU stats using psutil's cpu_percent and cpu_times_percent
# methods
if self.input_method == 'local':
# Get all possible values for CPU stats: user, system, idle,
# nice (UNIX), iowait (Linux), irq (Linux, FreeBSD), steal (Linux 2.6.11+)
# The following stats are returned by the API but not displayed in the UI:
# softirq (Linux), guest (Linux 2.6.24+), guest_nice (Linux 3.2.0+)
self.stats['total'] = cpu_percent.get()
cpu_times_percent = psutil.cpu_times_percent(interval=0.0)
for stat in ['user', 'system', 'idle', 'nice', 'iowait',
'irq', 'softirq', 'steal', 'guest', 'guest_nice']:
if hasattr(cpu_times_percent, stat):
self.stats[stat] = getattr(cpu_times_percent, stat)
elif self.input_method == 'snmp':
# Update stats using SNMP
if self.short_system_name in ('windows', 'esxi'):
# Windows or VMWare ESXi
# You can find the CPU utilization of windows system by querying the oid
# Give also the number of core (number of element in the table)
try:
cpu_stats = self.get_stats_snmp(snmp_oid=snmp_oid[self.short_system_name],
bulk=True)
except KeyError:
self.reset()
# Iter through CPU and compute the idle CPU stats
self.stats['nb_log_core'] = 0
self.stats['idle'] = 0
for c in cpu_stats:
if c.startswith('percent'):
self.stats['idle'] += float(cpu_stats['percent.3'])
self.stats['nb_log_core'] += 1
if self.stats['nb_log_core'] > 0:
self.stats['idle'] = self.stats[
'idle'] / self.stats['nb_log_core']
self.stats['idle'] = 100 - self.stats['idle']
self.stats['total'] = 100 - self.stats['idle']
else:
# Default behavor
try:
self.stats = self.get_stats_snmp(
snmp_oid=snmp_oid[self.short_system_name])
except KeyError:
self.stats = self.get_stats_snmp(
snmp_oid=snmp_oid['default'])
if self.stats['idle'] == '':
self.reset()
return self.stats
# Convert SNMP stats to float
for key in iterkeys(self.stats):
self.stats[key] = float(self.stats[key])
self.stats['total'] = 100 - self.stats['idle']
# Update the history list
self.update_stats_history()
# Update the view
self.update_views()
return self.stats
