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

# NAME

`ampchwm` — Ampere Altra fine-grained power telemetry

# SYNOPSIS

`ampchwm* at acpi?`

# DESCRIPTION

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.

# SEE ALSO

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

# HISTORY

The `ampchwm` driver first appeared in OpenBSD 7.5.

# AUTHORS

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

December 11, 2023 | Debian