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 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_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 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