libpfm_arm_neoverse_n3(3) — Linux manual page

NAME \| SYNOPSIS \| DESCRIPTION \| MODIFIERS \| AUTHORS \| COLOPHON

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

NAME top

       libpfm_arm_neoverse_n3 - support for ARM Neoverse N2 core PMU

SYNOPSIS top

       #include <perfmon/pfmlib.h>

       PMU name: arm_n3
       PMU desc: ARM Neoverse N2

DESCRIPTION top

       The library supports the ARM Neoverse N2 core PMU.

       This PMU supports 6 or 20 64-bit counters and privilege levels
       filtering.  It can operate in both 32 and 64 bit modes.

MODIFIERS top

       The following modifiers are supported on ARM Neoverse N3:

       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 <[email protected]>

COLOPHON top

       This page is part of the perfmon2 (a performance monitoring
       library) project.  Information about the project can be found at
       ⟨http://perfmon2.sourceforge.net/⟩.  If you have a bug report for
       this manual page, send it to [email protected].
       This page was obtained from the project's upstream Git repository
       ⟨git://git.code.sf.net/p/perfmon2/libpfm4 perfmon2-libpfm4⟩ on
       2025-08-11.  (At that time, the date of the most recent commit
       that was found in the repository was 2025-06-29.)  If you discover
       any rendering problems in this HTML version of the page, or you
       believe there is a better or more up-to-date source for the page,
       or you have corrections or improvements to the information in this
       COLOPHON (which is not part of the original manual page), send a
       mail to [email protected]

                              October, 2024                     LIBPFM(3)