---
name: "libpfm_arm_qcom_krait"
section: "3"
platform: "linux"
package: "libpfm4-dev"
version: "4.13.0+git99-gc5587f9-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/libpfm_arm_qcom_krait"
---

# libpfm\_arm\_qcom\_krait(3)

support for Qualcomm Krait PMU

## 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:

- **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

```
Stephane Eranian <eranian@gmail.com>
```