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

NAME

libpfm_arm_ac15 - support for Qualcomm Krait PMU

SYNOPSIS

#include <perfmon/pfmlib.h>

PMU name: qcom_krait
PMU desc: Qualcomm Krait

DESCRIPTION

The library supports the Qualcomm Krait core PMU.

This PMU supports 5 counters and privilege levels filtering.

MODIFIERS

The following modifiers are supported on this PMU:

Measure at the user level. This corresponds to PFM_PLM3. This is a boolean modifier.
Measure at the kernel level. This corresponds to PFM_PLM0. This is a boolean modifier.
Measure at the hypervisor level. This corresponds to PFM_PLMH. This is a boolean modifier.

AUTHORS

Stephane Eranian <eranian@gmail.com>
January, 2014