libpfm_amd64_fam17h(3) — Linux manual page

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

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

NAME top

       libpfm_amd64_fam17h - support for AMD64 Family 17h processors

SYNOPSIS top

       #include <perfmon/pfmlib.h>

       PMU name: amd64_fam17h (deprecated), amd_fam17h_zen1
       PMU desc: AMD64 Fam17h Zen1

DESCRIPTION top

       The library supports AMD Family 17h processors Zen1 core PMU in
       both 32 and 64-bit modes.  The amd64_fam17h PMU model name has
       been deprecated in favor of amd_fam17h_zen1. The old name is
       maintained for backward compatibility reasons, but should not be
       used anymore.

MODIFIERS top

       The following modifiers are supported on AMD64 Family 17h Zen1
       core PMU:

       u      Measure at user level which includes privilege levels 1,
              2, 3. This corresponds to PFM_PLM3.  This is a boolean
              modifier.

       k      Measure at kernel level which includes privilege level 0.
              This corresponds to PFM_PLM0.  This is a boolean modifier.

       h      Measure at while executing in host mode (when using
              virtualization). This corresponds to PFM_PLMH.  This
              modifier is available starting with Fam10h. This is a
              boolean modifier.

       g      Measure at while executing in guest mode (when using
              virtualization). This modifier is available starting with
              Fam10h. This is a boolean modifier.

       i      Invert the meaning of the event. The counter will now
              count cycles in which the event is not occurring. This is
              a boolean modifier

       e      Enable edge detection, i.e., count only when there is a
              state transition. This is a boolean modifier.

       c      Set the counter mask value. The mask acts as a threshold.
              The counter will count the number of cycles in which the
              number of occurrences of the event is greater or equal to
              the threshold. This is an integer modifier with values in
              the range [0:255].

AUTHORS top

       Stephane Eranian <eranian@gmail.com>

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
       perfmon2-devel@lists.sourceforge.net.  This page was obtained
       from the project's upstream Git repository
       ⟨git://git.code.sf.net/p/perfmon2/libpfm4 perfmon2-libpfm4⟩ on
       2024-06-14.  (At that time, the date of the most recent commit
       that was found in the repository was 2024-04-24.)  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 man-pages@man7.org

                               July, 2017                      LIBPFM(3)