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AMPCHWM(4) Device Drivers Manual (arm64) AMPCHWM(4)

ampchwmAmpere Altra fine-grained power telemetry

ampchwm* at acpi?

The ampchwm driver provides support for the per-core power telemetry firmware interface found on the Ampere Altra SoC.

Sensor values are made available through the sysctl(8) interface.

intro(4), sensorsd(8), sysctl(8)

The ampchwm driver first appeared in OpenBSD 7.5.

The ampchwm driver was written by Claudio Jeker <claudio@openbsd.org>.

December 11, 2023 OpenBSD-7.5