libpfm_arm_qcom_krait(3) — Linux manual page


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

NAME         top

       libpfm_arm_ac15 - support for Qualcomm Krait PMU

SYNOPSIS         top

       #include <perfmon/pfmlib.h>

       PMU name: qcom_krait
       PMU desc: Qualcomm Krait

DESCRIPTION         top

       The library supports the Qualcomm Krait core PMU.

       This PMU supports 5 counters and privilege levels filtering.

MODIFIERS         top

       The following modifiers are supported on this PMU:

       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) project.  Information about the project can be found at
       ⟨⟩.  If you have a bug report for
       this manual page, send it to  This page was obtained
       from the project's upstream Git repository
       ⟨git:// perfmon2-libpfm4⟩ on
       2023-12-22.  (At that time, the date of the most recent commit
       that was found in the repository was 2023-09-28.)  If you
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                              January, 2014                    LIBPFM(3)