1What: /sys/devices/.../hwmon/hwmon<i>/in0_input 2Date: February 2023 3KernelVersion: 6.2 4Contact: intel-gfx@lists.freedesktop.org 5Description: RO. Current Voltage in millivolt. 6 7 Only supported for particular Intel i915 graphics platforms. 8 9What: /sys/devices/.../hwmon/hwmon<i>/power1_max 10Date: February 2023 11KernelVersion: 6.2 12Contact: intel-gfx@lists.freedesktop.org 13Description: RW. Card reactive sustained (PL1/Tau) power limit in microwatts. 14 15 The power controller will throttle the operating frequency 16 if the power averaged over a window (typically seconds) 17 exceeds this limit. 18 19 Only supported for particular Intel i915 graphics platforms. 20 21What: /sys/devices/.../hwmon/hwmon<i>/power1_rated_max 22Date: February 2023 23KernelVersion: 6.2 24Contact: intel-gfx@lists.freedesktop.org 25Description: RO. Card default power limit (default TDP setting). 26 27 Only supported for particular Intel i915 graphics platforms. 28 29What: /sys/devices/.../hwmon/hwmon<i>/power1_max_interval 30Date: February 2023 31KernelVersion: 6.2 32Contact: intel-gfx@lists.freedesktop.org 33Description: RW. Sustained power limit interval (Tau in PL1/Tau) in 34 milliseconds over which sustained power is averaged. 35 36 Only supported for particular Intel i915 graphics platforms. 37 38What: /sys/devices/.../hwmon/hwmon<i>/power1_crit 39Date: February 2023 40KernelVersion: 6.2 41Contact: intel-gfx@lists.freedesktop.org 42Description: RW. Card reactive critical (I1) power limit in microwatts. 43 44 Card reactive critical (I1) power limit in microwatts is exposed 45 for client products. The power controller will throttle the 46 operating frequency if the power averaged over a window exceeds 47 this limit. 48 49 Only supported for particular Intel i915 graphics platforms. 50 51What: /sys/devices/.../hwmon/hwmon<i>/curr1_crit 52Date: February 2023 53KernelVersion: 6.2 54Contact: intel-gfx@lists.freedesktop.org 55Description: RW. Card reactive critical (I1) power limit in milliamperes. 56 57 Card reactive critical (I1) power limit in milliamperes is 58 exposed for server products. The power controller will throttle 59 the operating frequency if the power averaged over a window 60 exceeds this limit. 61 62 Only supported for particular Intel i915 graphics platforms. 63 64What: /sys/devices/.../hwmon/hwmon<i>/energy1_input 65Date: February 2023 66KernelVersion: 6.2 67Contact: intel-gfx@lists.freedesktop.org 68Description: RO. Energy input of device or gt in microjoules. 69 70 For i915 device level hwmon devices (name "i915") this 71 reflects energy input for the entire device. For gt level 72 hwmon devices (name "i915_gtN") this reflects energy input 73 for the gt. 74 75 Only supported for particular Intel i915 graphics platforms. 76