.TH LIBPFM 3  "May, 2014" "" "Linux Programmer's Manual"

.SH NAME

libpfm_arm_ac57 - support for Arm Cortex A57 PMU

.SH SYNOPSIS

.nf

.B #include <perfmon/pfmlib.h>

.sp

.B PMU name: arm_ac57

.B PMU desc: ARM Cortex A57

.sp

.SH DESCRIPTION

The library supports the ARM Cortex A57 core PMU.

This PMU supports 6 counters and privilege levels filtering.

It can operate in both 32 and 64 bit modes.

.SH MODIFIERS

The following modifiers are supported on ARM Cortex A57:

.TP

.B u

Measure at the user level. This corresponds to \fBPFM_PLM3\fR.

This is a boolean modifier.

.TP

.B k

Measure at the kernel level. This corresponds to \fBPFM_PLM0\fR.

This is a boolean modifier.

.TP

.B hv

Measure at the hypervisor level. This corresponds to \fBPFM_PLMH\fR.

This is a boolean modifier.

.SH AUTHORS

.nf

Stephane Eranian <eranian@gmail.com>

.if

.PP