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What: /sys/bus/pci/drivers/xe/.../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/bus/pci/drivers/xe/.../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/bus/pci/drivers/xe/.../hwmon/hwmon<i>/energy1_input
Date: September 2023
KernelVersion: 6.5
Contact: intel-xe@lists.freedesktop.org
Description: RO. Card energy input of device in microjoules.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_max_interval
Date: October 2023
KernelVersion: 6.6
Contact: intel-xe@lists.freedesktop.org
Description: RW. Card sustained power limit interval (Tau in PL1/Tau) in
milliseconds over which sustained power is averaged.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_max
Date: February 2024
KernelVersion: 6.8
Contact: intel-xe@lists.freedesktop.org
Description: RW. Package 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/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_rated_max
Date: February 2024
KernelVersion: 6.8
Contact: intel-xe@lists.freedesktop.org
Description: RO. Package default power limit (default TDP setting).
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_crit
Date: May 2025
KernelVersion: 6.15
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/bus/pci/drivers/xe/.../hwmon/hwmon<i>/curr1_crit
Date: May 2025
KernelVersion: 6.15
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/bus/pci/drivers/xe/.../hwmon/hwmon<i>/energy2_input
Date: February 2024
KernelVersion: 6.8
Contact: intel-xe@lists.freedesktop.org
Description: RO. Package energy input of device in microjoules.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_max_interval
Date: February 2024
KernelVersion: 6.8
Contact: intel-xe@lists.freedesktop.org
Description: RW. Package sustained power limit interval (Tau in PL1/Tau) in
milliseconds over which sustained power is averaged.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/in1_input
Date: February 2024
KernelVersion: 6.8
Contact: intel-xe@lists.freedesktop.org
Description: RO. Package current voltage in millivolt.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp2_crit
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. Package critical temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp2_emergency
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. Package shutdown temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp2_input
Date: March 2025
KernelVersion: 6.15
Contact: intel-xe@lists.freedesktop.org
Description: RO. Package temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp2_max
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. Package maximum temperature limit in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp3_crit
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. VRAM critical temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp3_emergency
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. VRAM shutdown temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp3_input
Date: March 2025
KernelVersion: 6.15
Contact: intel-xe@lists.freedesktop.org
Description: RO. VRAM temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp4_crit
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. Memory controller critical temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp4_emergency
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. Memory controller shutdown temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp4_input
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. Memory controller average temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp5_crit
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. GPU PCIe critical temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp5_emergency
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. GPU PCIe shutdown temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp5_input
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. GPU PCIe temperature in millidegree Celsius.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp[6-21]_crit
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. VRAM channel critical temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp[6-21]_emergency
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. VRAM channel shutdown temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/temp[6-21]_input
Date: January 2026
KernelVersion: 7.0
Contact: intel-xe@lists.freedesktop.org
Description: RO. VRAM channel temperature in millidegree Celsius.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/fan1_input
Date: March 2025
KernelVersion: 6.16
Contact: intel-xe@lists.freedesktop.org
Description: RO. Fan 1 speed in RPM.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/fan2_input
Date: March 2025
KernelVersion: 6.16
Contact: intel-xe@lists.freedesktop.org
Description: RO. Fan 2 speed in RPM.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/fan3_input
Date: March 2025
KernelVersion: 6.16
Contact: intel-xe@lists.freedesktop.org
Description: RO. Fan 3 speed in RPM.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_cap
Date: May 2025
KernelVersion: 6.15
Contact: intel-xe@lists.freedesktop.org
Description: RW. Card burst (PL2) power limit in microwatts.
The power controller will throttle the operating frequency
if the power averaged over a window (typically milli seconds)
exceeds this limit. A read value of 0 means that the PL2
power limit is disabled, writing 0 disables the limit.
PL2 is greater than PL1 and its time window is lesser
compared to PL1.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_cap
Date: May 2025
KernelVersion: 6.15
Contact: intel-xe@lists.freedesktop.org
Description: RW. Package burst (PL2) power limit in microwatts.
The power controller will throttle the operating frequency
if the power averaged over a window (typically milli seconds)
exceeds this limit. A read value of 0 means that the PL2
power limit is disabled, writing 0 disables the limit.
PL2 is greater than PL1 and its time window is lesser
compared to PL1.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power1_cap_interval
Date: May 2025
KernelVersion: 6.15
Contact: intel-xe@lists.freedesktop.org
Description: RW. Card burst power limit interval (Tau in PL2/Tau) in
milliseconds over which sustained power is averaged.
Only supported for particular Intel Xe graphics platforms.
What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon<i>/power2_cap_interval
Date: May 2025
KernelVersion: 6.15
Contact: intel-xe@lists.freedesktop.org
Description: RW. Package burst power limit interval (Tau in PL2/Tau) in
milliseconds over which sustained power is averaged.
Only supported for particular Intel Xe graphics platforms.
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