Source code for i3pystatus.cpu_freq
from i3pystatus import IntervalModule
[docs]class CpuFreq(IntervalModule):
"""
class uses by default `/proc/cpuinfo` to determine the current cpu frequency
.. rubric:: Available formatters
* `{avg}` - mean from all cores in MHz `4.3f`
* `{avgg}` - mean from all cores in GHz `1.2f`
* `{coreX}` - frequency of core number `X` in MHz (format `4.3f`), where 0 <= `X` <= number of cores - 1
* `{coreXg}` - frequency of core number `X` in GHz (fromat `1.2f`), where 0 <= `X` <= number of cores - 1
"""
format = "{avgg}"
settings = (
"format",
("color", "The text color"),
("file", "override default path"),
)
file = '/proc/cpuinfo'
color = '#FFFFFF'
[docs] def createvaluesdict(self):
"""
function processes the /proc/cpuinfo file, use file=/sys to use kernel >=4.13 location
:return: dictionary used as the full-text output for the module
"""
cpus_offline = 0
if self.file == '/sys':
with open('/sys/devices/system/cpu/online') as f:
line = f.readline()
cpus_online = [int(cpu) for cpu in line.split(',') if cpu.find('-') < 0]
cpus_online_range = [cpu_range for cpu_range in line.split(',') if cpu_range.find('-') > 0]
for cpu_range in cpus_online_range:
cpus_online += [cpu for cpu in range(int(cpu_range.split('-')[0]), int(cpu_range.split('-')[1]) + 1)]
mhz_values = [0.0 for cpu in range(max(cpus_online) + 1)]
ghz_values = [0.0 for cpu in range(max(cpus_online) + 1)]
for cpu in cpus_online:
with open('/sys/devices/system/cpu/cpu{}/cpufreq/scaling_cur_freq'.format(cpu)) as f:
line = f.readline()
mhz_values[cpu] = float(line.rstrip()) / 1000.0
ghz_values[cpu] = float(line.rstrip()) / 1000000.0
cpus_offline = mhz_values.count(0.0)
else:
with open(self.file) as f:
mhz_values = [float(line.split(':')[1]) for line in f if line.startswith('cpu MHz')]
ghz_values = [value / 1000.0 for value in mhz_values]
mhz = {"core{}".format(key): "{0:4.3f}".format(value) for key, value in enumerate(mhz_values)}
ghz = {"core{}g".format(key): "{0:1.2f}".format(value) for key, value in enumerate(ghz_values)}
cdict = mhz.copy()
cdict.update(ghz)
cdict['avg'] = "{0:4.3f}".format(sum(mhz_values) / (len(mhz_values) - cpus_offline))
cdict['avgg'] = "{0:1.2f}".format(sum(ghz_values) / (len(ghz_values) - cpus_offline), 2)
return cdict
def run(self):
cdict = self.createvaluesdict()
self.data = cdict
self.output = {
"full_text": self.format.format(**cdict),
"color": self.color,
"format": self.format,
}