.TH LIBPFM 3  "May, 2014" "" "Linux Programmer's Manual"
.SH NAME
libpfm_arm_ac57 - support for Applied Micro X-Gene PMU
.SH SYNOPSIS
.nf
.B #include <perfmon/pfmlib.h>
.sp
.B PMU name: arm_xgene
.B PMU desc: Applied Micro X-Gene
.sp
.SH DESCRIPTION
The library supports the Applied Micro X-Gene 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 Applied Micro X-Gene:
.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
.nf
William Cohen <wcohen@redhat.com>
.if
.PP