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add some more monitoring stuff: Vcore, Package, Graphics and DRAM power consumption

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erpalma
2018-11-07 11:19:23 +01:00
parent 57faf388e9
commit 8677de6f96
1 changed files with 36 additions and 3 deletions
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39
lenovo_fix.py
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@@ -19,6 +19,7 @@ from mmio import MMIO, MMIOError
from multiprocessing import cpu_count
from platform import uname
from threading import Event, Thread
from time import time
DEFAULT_SYSFS_POWER_PATH = '/sys/class/power_supply/AC*/online'
@@ -494,13 +495,45 @@ def check_kernel():
def monitor(exit_event, wait):
IA32_THERM_STATUS = 0x19C
IA32_PERF_STATUS = 0x198
MSR_RAPL_POWER_UNIT = 0x606
MSR_INTEL_PKG_ENERGY_STATUS = 0x611
MSR_PP1_ENERGY_STATUS = 0x641
MSR_DRAM_ENERGY_STATUS = 0x619
wait = max(0.1, wait)
print('Realtime monitoring of throttling causes:')
rapl_power_unit = 0.5 ** readmsr(MSR_RAPL_POWER_UNIT, from_bit=8, to_bit=12, cpu=0)
power_plane_msr = {
'Package': MSR_INTEL_PKG_ENERGY_STATUS,
'Graphics': MSR_PP1_ENERGY_STATUS,
'DRAM': MSR_DRAM_ENERGY_STATUS,
}
prev_energy = {
'Package': (readmsr(MSR_INTEL_PKG_ENERGY_STATUS, cpu=0) * rapl_power_unit, time()),
'Graphics': (readmsr(MSR_PP1_ENERGY_STATUS, cpu=0) * rapl_power_unit, time()),
'DRAM': (readmsr(MSR_DRAM_ENERGY_STATUS, cpu=0) * rapl_power_unit, time()),
}
print('Realtime monitoring of throttling causes:\n')
while not exit_event.is_set():
value = readmsr(0x19C, from_bit=0, to_bit=15, cpu=0)
value = readmsr(IA32_THERM_STATUS, from_bit=0, to_bit=15, cpu=0)
offsets = {'Thermal': 0, 'Power': 10, 'Current': 12, 'Cross-comain (e.g. GPU)': 14}
output = ('{:s}: {:s}'.format(cause, LIM if bool((value >> offsets[cause]) & 1) else OK) for cause in offsets)
print(' - '.join(output) + ' ' * 10, end='\r')
# ugly code, just testing...
vcore = readmsr(IA32_PERF_STATUS, from_bit=32, to_bit=47, cpu=0) / (2.0 ** 13) * 1000
stats2 = {'VCore': '{:.0f} mV'.format(vcore)}
for power_plane in ('Package', 'Graphics', 'DRAM'):
energy_j = readmsr(power_plane_msr[power_plane], cpu=0) * rapl_power_unit
now = time()
prev_energy[power_plane], energy_w = (
(energy_j, now),
(energy_j - prev_energy[power_plane][0]) / (now - prev_energy[power_plane][1]),
)
stats2[power_plane] = '{:.1f} W'.format(energy_w)
output2 = ('{:s}: {:s}'.format(label, stats2[label]) for label in stats2)
print(' - '.join(output) + ' || ' + ' - '.join(output2) + ' ' * 10, end='\r')
exit_event.wait(wait)