.TH LIBPFM 3  "May, 2020" "" "Linux Programmer's Manual"
.SH NAME
libpfm_arm_a64fx - support for Fujitsu A64FX PMU
.SH SYNOPSIS
.nf
.B #include <perfmon/pfmlib.h>
.sp
.B PMU name: arm_a64fx
.B PMU desc: Fujitsu A64FX
.sp
.SH 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.

.SH MODIFIERS
The following modifiers are supported on Fujitsu A64FX:
.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