Reference

libpfm_arm_ac55(3)

support for ARM Cortex A55 PMU

NAME

libpfm_arm_ac55 - support for ARM Cortex A55 PMU

SYNOPSIS

#include <perfmon/pfmlib.h>

PMU name: arm_ac55
PMU desc: ARM Cortex A55


DESCRIPTION

The library supports the ARM Cortex A55 core PMU.

This PMU supports 6 counters and privilege levels filtering. It can operate in both 32 and 64 bit modes.

MODIFIERS

The following modifiers are supported on ARM Cortex A55:

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 <[email protected]>