libpfm_arm_a64fx(3)

libpfm_arm_a64fx - support for Fujitsu A64FX PMU

Section 3 libpfm4-dev bookworm source

Description

LIBPFM

NAME

libpfm_arm_a64fx - support for Fujitsu A64FX PMU

SYNOPSIS

#include <perfmon/pfmlib.h>

PMU name: arm_a64fx
PMU desc: Fujitsu A64FX

DESCRIPTION

The library supports the Fujitsu A64FX core PMU.

This PMU supports 8 counters and privilege levels filtering. It can operate in 64 bit mode only.

MODIFIERS

The following modifiers are supported on Fujitsu A64FX:

u

Measure at the user level. This corresponds to PFM_PLM3. This is a boolean modifier.

k

Measure at the kernel level. This corresponds to PFM_PLM0. This is a boolean modifier.

hv

Measure at the hypervisor level. This corresponds to PFM_PLMH. This is a boolean modifier.

AUTHORS

Stephane Eranian <eranian@gmail.com>