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Copy file name to clipboardExpand all lines: content/install-guides/dcperf.md
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- Neoverse
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test_images:
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- ubuntu:22.04
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- ubuntu:latest
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test_maintenance: false
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layout: installtoolsall
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DCPerf is an open-source benchmarking and microbenchmarking suite originally developed by Meta. It faithfully replicates the characteristics of general-purpose data center workloads, with particular attention to microarchitectural fidelity. DCPerf stands out for accurate simulation of behaviors such as cache misses and branch mispredictions, which are details that many other benchmarking tools overlook.
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You can use DCPerf to generate performance data to inform procurement decisions, and for regression testing to detect changes in the environment, such as kernel and compiler changes.
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You can use DCPerf to generate performance data to inform procurement decisions, and for regression testing to detect changes in the environment, such as kernel and compiler changes.
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DCPerf runs on Arm-based servers. The examples below have been tested on an AWS `c7g.metal` instance running Ubuntu 22.04 LTS.
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DCPerf runs on Arm-based servers. The examples below have been tested on an AWS `c7g.metal` instance running Ubuntu 22.04 LTS.
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{{% notice Note %}}
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When running on a server provided by a cloud service, you have limited access to some parameters, such as UEFI settings, which can affect performance.
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When running on a server provided by a cloud service, you have limited access to some parameters, such as UEFI settings, which can affect performance.
Confirm security-enhanced Linux (SELinux) is disabled with the following commands:
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Confirm security-enhanced Linux (SELinux) is disabled with the following commands:
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```bash
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sudo apt install selinux-utils
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getenforce
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```
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You should see the following response:
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You should see the following response:
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```output
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Disabled
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These metrics help you evaluate the performance and reliability of the system under test. Higher values for successful requests and RPS, and lower response times, generally indicate better performance. The score provides a single value for easy comparison across runs or systems.
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## Next steps
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## Next steps
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These are some activities you might like to try next:
Copy file name to clipboardExpand all lines: content/learning-paths/automotive/zenacssdebug/_index.md
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title: Debug Arm Zena CSS Reference Software Stack with Arm Development Studio
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draft: true
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cascade:
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draft: true
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minutes_to_complete: 60
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who_is_this_for: This is an introductory topic for software developers who wish to use Arm Development Studio to explore and debug the Arm Zena CSS Reference Software Stack.
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who_is_this_for: This introductory topic is for software developers who want to use Arm Development Studio to explore and debug the Arm Zena Compute Subsystem (CSS) Reference Software Stack on a Fixed Virtual Platform (FVP).
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learning_objectives:
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- Set up debug configuration for the Arm Zena CSS FVP
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- Debug Runtime Security Engine (RSE) from boot time
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- Debug Safety Island (SI)
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- Debug Linux OS on Primary Compute cores
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learning_objectives:
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- Set up and save a debug configuration for the Arm Zena CSS FVP
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- Start Runtime Security Engine (RSE) debug at reset and step through early boot
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- Attach to and debug Safety Island (SI) firmware
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- Attach to the Linux kernel on the primary compute cores and debug user space processes
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prerequisites:
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- Ubuntu 22.04 host machine
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- You will need [Arm Development Studio 2024.1 (or later)](/install-guides/armds) and an appropriate license
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- A basic understanding of the Arm Zena CSS software stack and Arm processors
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- Ubuntu 22.04 host machine
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- Arm Development Studio 2024.1 or later with a valid license - for support see the [Install Guide for ADS](/install-guides/armds)
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- Basic understanding of the Arm Zena CSS software stack, Armv8-A/Armv9-A cores, and Linux
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