LIBPFM(3)                 Linux Programmer's Manual                LIBPFM(3)

NAME         top

       libpfm_arm_ac57 - support for Arm Cortex A57 PMU

SYNOPSIS         top

       #include <perfmon/pfmlib.h>

       PMU name: arm_ac57
       PMU desc: ARM Cortex A57

DESCRIPTION         top

       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.

MODIFIERS         top

       The following modifiers are supported on ARM Cortex A57:

       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         top

       Stephane Eranian <>

COLOPHON         top

       This page is part of the perfmon2 (a performance monitoring library)
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       ⟨⟩.  If you have a bug report for this
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                                  May, 2014                        LIBPFM(3)