ampchwm(4)

ampchwm4

Ampere altra fine-grained power telemetry

Usage

ampchwm* at acpi?

Overview

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.

History

The ampchwm driver first appeared in OpenBSD 7.5.

Authors

The ampchwm driver was written by Claudio Jeker ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.