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What: /sys/devices/.../hwmon/hwmon<i>/power1_max
Date: September 2023
KernelVersion: 6.5
Contact: intel-xe@lists.freedesktop.org
Description: RW. Card reactive sustained (PL1) power limit in microwatts.
The power controller will throttle the operating frequency
if the power averaged over a window (typically seconds)
exceeds this limit. A read value of 0 means that the PL1
power limit is disabled, writing 0 disables the
limit. Writing values > 0 and <= TDP will enable the power limit.
Only supported for particular Intel xe graphics platforms.
What: /sys/devices/.../hwmon/hwmon<i>/power1_rated_max
Date: September 2023
KernelVersion: 6.5
Contact: intel-xe@lists.freedesktop.org
Description: RO. Card default power limit (default TDP setting).
Only supported for particular Intel xe graphics platforms.
What: /sys/devices/.../hwmon/hwmon<i>/power1_crit
Date: September 2023
KernelVersion: 6.5
Contact: intel-xe@lists.freedesktop.org
Description: RW. Card reactive critical (I1) power limit in microwatts.
Card reactive critical (I1) power limit in microwatts is exposed
for client products. The power controller will throttle the
operating frequency if the power averaged over a window exceeds
this limit.
Only supported for particular Intel xe graphics platforms.
What: /sys/devices/.../hwmon/hwmon<i>/curr1_crit
Date: September 2023
KernelVersion: 6.5
Contact: intel-xe@lists.freedesktop.org
Description: RW. Card reactive critical (I1) power limit in milliamperes.
Card reactive critical (I1) power limit in milliamperes is
exposed for server products. The power controller will throttle
the operating frequency if the power averaged over a window
exceeds this limit.
What: /sys/devices/.../hwmon/hwmon<i>/in0_input
Date: September 2023
KernelVersion: 6.5
Contact: intel-xe@lists.freedesktop.org
Description: RO. Current Voltage in millivolt.
Only supported for particular Intel xe graphics platforms.
What: /sys/devices/.../hwmon/hwmon<i>/energy1_input
Date: September 2023
KernelVersion: 6.5
Contact: intel-xe@lists.freedesktop.org
Description: RO. Energy input of device in microjoules.
Only supported for particular Intel xe graphics platforms.
What: /sys/devices/.../hwmon/hwmon<i>/power1_max_interval
Date: October 2023
KernelVersion: 6.6
Contact: intel-xe@lists.freedesktop.org
Description: RW. Sustained power limit interval (Tau in PL1/Tau) in
milliseconds over which sustained power is averaged.
Only supported for particular Intel xe graphics platforms.
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