From 0102c8c7fdfc4bd700971daff2b94470f4eafae4 Mon Sep 17 00:00:00 2001 From: Dapeng Mi Date: Thu, 17 Sep 2026 09:52:33 +0800 Subject: perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rsp DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Ingo Molnar Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com --- .../ABI/testing/sysfs-driver-intel-xe-hwmon | 315 +++++++++++++++++++++ 1 file changed, 315 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon (limited to 'Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon') diff --git a/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon b/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon new file mode 100644 index 000000000..0da739d9a --- /dev/null +++ b/Documentation/ABI/testing/sysfs-driver-intel-xe-hwmon @@ -0,0 +1,315 @@ +What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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/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. + + On DG2 the driver always shows two fan channels, because the + FSC_READ_NUM_FANS command does not work on some cards. OEMs + decide how the fans map to tach channels, so two fans can share + one tach line. When that happens, the second channel + reads 0 RPM even though the fan is spinning. This is normal, not + a bug. + +What: /sys/bus/pci/drivers/xe/.../hwmon/hwmon/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/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/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/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/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. -- cgit v1.3.1