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use a more efficient dbus callback to check if we are connected to AC or on battery

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This commit is contained in:
erpalma
2018-06-29 14:54:11 +02:00
parent 41d58438ab
commit 7dcfa66acc
1 changed files with 25 additions and 7 deletions
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32
lenovo_fix.py
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@@ -30,6 +30,8 @@ VOLTAGE_PLANES = {
'ANALOGIO': 4,
}
power = {'source': None, 'method': 'polling'}
def writemsr(msr, val):
n = glob.glob('/dev/cpu/[0-9]*/msr')
@@ -124,20 +126,22 @@ def power_thread(config, regs, exit_event):
mchbar_mmio = MMIO(0xfed159a0, 8)
while not exit_event.is_set():
power_source = 'BATTERY' if is_on_battery() else 'AC'
#
if power['method'] == 'polling':
power['source'] = 'BATTERY' if is_on_battery() else 'AC'
# set temperature trip point
writemsr(0x1a2, regs[power_source]['MSR_TEMPERATURE_TARGET'])
writemsr(0x1a2, regs[power['source']]['MSR_TEMPERATURE_TARGET'])
# set PL1/2 on MSR
writemsr(0x610, regs[power_source]['MSR_PKG_POWER_LIMIT'])
writemsr(0x610, regs[power['source']]['MSR_PKG_POWER_LIMIT'])
# set MCHBAR register to the same PL1/2 values
mchbar_mmio.write32(0, regs[power_source]['MSR_PKG_POWER_LIMIT'] & 0xffffffff)
mchbar_mmio.write32(4, regs[power_source]['MSR_PKG_POWER_LIMIT'] >> 32)
mchbar_mmio.write32(0, regs[power['source']]['MSR_PKG_POWER_LIMIT'] & 0xffffffff)
mchbar_mmio.write32(4, regs[power['source']]['MSR_PKG_POWER_LIMIT'] >> 32)
wait_t = config.getfloat(power_source, 'Update_Rate_s')
wait_t = config.getfloat(power['source'], 'Update_Rate_s')
enable_hwp_mode = config.getboolean('AC', 'HWP_Mode', fallback=False)
if power_source == 'AC' and enable_hwp_mode:
if power['source'] == 'AC' and enable_hwp_mode:
cpu_usage = float(psutil.cpu_percent(interval=wait_t))
# set full performance mode only when load is greater than this threshold (~ at least 1 core full speed)
performance_mode = cpu_usage > 100. / (cpu_count() * 1.25)
@@ -149,6 +153,8 @@ def power_thread(config, regs, exit_event):
def main():
power['source'] = 'BATTERY' if is_on_battery() else 'AC'
config = load_config()
regs = calc_reg_values(config)
@@ -167,6 +173,13 @@ def main():
if not sleeping:
undervolt(config)
def handle_ac_callback(*args):
try:
power['source'] = 'BATTERY' if args[1]['Online'] == 0 else 'AC'
power['method'] = 'dbus'
except:
power['method'] = 'polling'
DBusGMainLoop(set_as_default=True)
bus = dbus.SystemBus()
@@ -174,6 +187,11 @@ def main():
if any(config.getfloat('UNDERVOLT', plane) != 0 for plane in VOLTAGE_PLANES):
bus.add_signal_receiver(handle_sleep_callback, 'PrepareForSleep', 'org.freedesktop.login1.Manager',
'org.freedesktop.login1')
bus.add_signal_receiver(
handle_ac_callback,
signal_name="PropertiesChanged",
dbus_interface="org.freedesktop.DBus.Properties",
path="/org/freedesktop/UPower/devices/line_power_AC")
try:
GObject.threads_init()