> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs-staging.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# References

## **Related documents**

| **Title** | **Number** |
| - | - |
| **Qualcomm Technologies, Inc.** | |
| [Qualcomm Linux Build Guide](https://dragonwingdocs.qualcomm.com/Key-Documents/Firmware-Guide) | |
| [Qualcomm Software Center](https://dragonwingdocs.qualcomm.com/Tools/Qualcomm-Software-Center/overview) | |
| [Qualcomm Linux Performance Guide - Addendum for IQ-9075](https://dragonwingdocs.qualcomm.com/System/Performance/performance-addendum-iq-9075) — Available to licensed users with authorized access. | |
| [Qualcomm Linux Performance Guide - Addendum for IQ-8275](https://dragonwingdocs.qualcomm.com/System/Performance/performance-addendum-iq8275) — Available to licensed users with authorized access. | |
| **Resources** | |
| [CPU frequency and voltage scaling code in the Linux kernel](https://www.kernel.org/doc/Documentation/cpu-freq/governors.txt) | |
| [CPU Performance Scaling](https://www.kernel.org/doc/html/v5.0/admin-guide/pm/cpufreq.html) | |
| [Per-entity load tracking](https://lwn.net/Articles/531853/) | |
| [\[PATCH v3 0/4\] soc/arm64: qcom: Add initial version of bwmon](https://lwn.net/ml/linux-kernel/20220531105137.110050-1-krzysztof.kozlowski@linaro.org/) | |
| [systemd-analyze — Analyze and debug system manager](https://www.freedesktop.org/software/systemd/man/latest/systemd-analyze.html) | |
| [perf: Linux profiling with performance counters](https://perf.wiki.kernel.org/index.php/Main_Page) | |
| [Userspace Resource Manager](https://qualcomm.github.io/userspace-resource-manager/) | |

## **Acronyms and terms**

| **Acronym or term** | **Definition** |
| - | - |
| BWMON | Bandwidth monitoring |
| DTSI | Device tree source include |
| DVFS | Dynamic voltage and frequency scaling |
| EEVDF | Earliest eligible virtual deadline first |
| Ftrace | Function trace |
| GMEM | GPU memory |
| Kswapd | Kernel swap daemon |
| LLCC | Last level cache controller |
| LTTng | Linux Trace Toolkit next generation |
| PELT | Per entity load tracking |
| PMU | Performance monitoring unit |
| QSC | Qualcomm Software Center |
| QTEE | Qualcomm<sup>®</sup> Trusted Execution Environment |
| RT | Real-time (kernel) |
| SoC | System-on-chip |
| TZ | TrustZone |
| UCLAMP | Utilization clamping |
| URM | Userspace Resource Manager |