> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs.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://docs.qualcomm.com/bundle/publicresource/topics/80-80022-254/introduction.html)                                                                                              | 80-80023-254 |
| [Qualcomm Software Center](https://docs.qualcomm.com/bundle/publicresource/topics/80-72780-2/overview.html)                                                                                                      | 80-72780-2   |
| [Qualcomm Linux Performance Guide - Addendum for Qualcomm Dragonwing IQ-9075](https://docs.qualcomm.com/bundle/resource/topics/80-80023-10A/overview.html) — Available to licensed users with authorized access. | 80-80023-10A |
| [Qualcomm Linux Performance Guide - Addendum for Qualcomm Dragonwing IQ-8275](https://docs.qualcomm.com/bundle/resource/topics/80-80023-10B/overview.html) — Available to licensed users with authorized access. | 80-80023-10B |
| **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 Extensions](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                         |