ArmDeveloperEcosystem · pareenaverma · Oct 16, 2023 · Sep 25, 2023 · Sep 25, 2023 · Sep 26, 2023
diff --git a/.wordlist.txt b/.wordlist.txt
@@ -1598,4 +1598,20 @@ pmuserenr
 MPU
 Uma
 Ramalingam
-
+topdown
+eksctl
+sLO
+Wl
+lpapi
+rpath
+alibaba
+pmu
+PJDOC
+SDP
+Lookaside
+TLB
+DynamoRIO
+drcachesim
+dynamorio
+mispredicted
+lookaside
diff --git a/content/install-guides/acfl.md b/content/install-guides/acfl.md
@@ -11,7 +11,7 @@ layout: installtoolsall
 minutes_to_complete: 15
 multi_install: false
 multitool_install_part: false
-official_docs: https://developer.arm.com/documentation/102621
+official_docs: https://developer.arm.com/documentation/101458/latest
 test_images:
 - ubuntu:latest
 - fedora:latest
@@ -52,14 +52,20 @@ If you see a different result, you are not using an Arm computer running 64-bit
 
 ## Install pre-requisites
 
-If any of the following are not already installed by your Linux distribution, you must install them before installing Arm Compiler for Linux:
+If any of the following tools are not already installed by your Linux
+distribution, you must install them before installing Arm Compiler for Linux.
+These packages can be installed with the appropriate package manager for your OS:
 
-* Python (version 2.7 or later)
-* C Libraries:
-  - SUSE and RHEL
-    - `glibc-devel`
-  - Ubuntu
-    - `libc6-dev`
+  - SLES: awk environment-modules glibc-devel gzip python3 tar
+  - RHEL: environment-modules glibc-devel procps python3
+  - Amazon Linux: environment-modules glibc-devel gzip procps python3 tar
+  - Ubuntu: environment-modules libc6-dev python3
+
+Note: The minimum supported version for Python is version 3.6.
+
+You must have at least 2 GB of free hard disk space to both download and unpack
+the Arm Compiler for Linux package. You must also have an additional 6 GB of
+free space to install the package.
 
 For example:
 ```command
@@ -85,42 +91,42 @@ Fetch the `ACfL` installers:
 #### Ubuntu Linux:
 
 ```bash { target="ubuntu:latest" }
-wget  https://developer.arm.com/-/media/Files/downloads/hpc/arm-compiler-for-linux/23-04-1/arm-compiler-for-linux_23.04.1_Ubuntu-22.04_aarch64.tar
+wget  https://developer.arm.com/-/media/Files/downloads/hpc/arm-compiler-for-linux/23-04-1/arm-compiler-for-linux_23.10_Ubuntu-22.04_aarch64.tar
 ```
 #### Red Hat Linux:
 ```bash { target="fedora:latest" }
-wget https://developer.arm.com/-/media/Files/downloads/hpc/arm-compiler-for-linux/23-04-1/arm-compiler-for-linux_23.04.1_RHEL-8_aarch64.tar
+wget https://developer.arm.com/-/media/Files/downloads/hpc/arm-compiler-for-linux/23-04-1/arm-compiler-for-linux_23.10_RHEL-8_aarch64.tar
 ```
 
 ### Install
 
-To install the `Arm Compiler for Linux` package on your 64-bit Linux Arm machine extract the package and run the installation script. 
+To install the `Arm Compiler for Linux` package on your 64-bit Linux Arm machine extract the package and run the installation script.
 
 Each command sequence includes accepting the license agreement to automate the installation and installing the `modules` software.
 
 #### Ubuntu Linux:
 
 ```bash { target="ubuntu:latest", env="DEBIAN_FRONTEND=noninteractive" }
 sudo -E apt-get -y install environment-modules python3 libc6-dev
-tar -xvf arm-compiler-for-linux_23.04.1_Ubuntu-22.04_aarch64.tar
-cd ./arm-compiler-for-linux_23.04.1_Ubuntu-22.04
-sudo ./arm-compiler-for-linux_23.04.1_Ubuntu-22.04.sh --accept
+tar -xvf arm-compiler-for-linux_23.10_Ubuntu-22.04_aarch64.tar
+cd ./arm-compiler-for-linux_23.10_Ubuntu-22.04
+sudo ./arm-compiler-for-linux_23.10_Ubuntu-22.04.sh --accept
 ```
 
 #### Red Hat Linux:
 
 ```bash { target="fedora:latest" }
 sudo yum -y install environment-modules python3 glibc-devel
-tar -xvf arm-compiler-for-linux_23.04.1_RHEL-8_aarch64.tar
-cd arm-compiler-for-linux_23.04.1_RHEL-8
-sudo ./arm-compiler-for-linux_23.04.1_RHEL-8.sh --accept
+tar -xvf arm-compiler-for-linux_23.10_RHEL-8_aarch64.tar
+cd arm-compiler-for-linux_23.10_RHEL-8
+sudo ./arm-compiler-for-linux_23.10_RHEL-8.sh --accept
 ```
 
 ### Set up environment
 
 `Arm Compiler for Linux` uses environment modules to dynamically modify your user environment. Refer to the [Environment Modules documentation](https://lmod.readthedocs.io/en/latest/#id) for more information.
 
-Set up the environment, for example, in your `.bashrc` and add module files. 
+Set up the environment, for example, in your `.bashrc` and add module files.
 
 #### Ubuntu Linux:
 
@@ -147,13 +153,13 @@ module avail
 To configure Arm Compiler for Linux:
 
 ```bash { env_source="~/.bashrc" }
-module load acfl/23.04.1
+module load acfl/23.10
 ```
 
 To configure GCC:
 
 ```bash { env_source="~/.bashrc" }
-module load gnu/12.2.0
+module load gnu/12.3.0
 ```
 `ACfL` is now [ready to use](#armclang).
 
@@ -197,7 +203,7 @@ spack compiler find
 
 ## Get started with Arm C/C++ compiler {#armclang}
 
-To get started with the Arm C/C++ Compiler and compile a simple application follow the steps below. 
+To get started with the Arm C/C++ Compiler and compile a simple application follow the steps below.
 
 Check that the correct compiler version is being used:
 ```bash { env_source="~/.bashrc", pre_cmd="module load acfl/22.1" }
@@ -235,7 +241,7 @@ Hello, C World!
 
 ## Get started with Arm Fortran compiler {#fortran}
 
-To get started with the Arm Fortran Compiler and compile a simple application follow the steps below. 
+To get started with the Arm Fortran Compiler and compile a simple application follow the steps below.
 
 Check that the correct compiler version is being used:
 ```bash { env_source="~/.bashrc", pre_cmd="module load acfl/22.1" }
@@ -268,4 +274,4 @@ Hello, Fortran World!
 
 ## Get started with Arm Performance Libraries {#armpl}
 
-To get started with the [Arm Performance Libraries](https://developer.arm.com/Tools%20and%20Software/Arm%20Performance%20Libraries) and learn how to select the optimal library for your system, follow the [Get started with Arm Performance Libraries](https://developer.arm.com/documentation/102574) guide.
+To get started with the [Arm Performance Libraries](https://developer.arm.com/Tools%20and%20Software/Arm%20Performance%20Libraries) and learn how to select the optimal library for your system, follow the [Get started with Arm Performance Libraries](https://developer.arm.com/documentation/101004/latest) guide.
diff --git a/content/install-guides/perf.md b/content/install-guides/perf.md
@@ -142,7 +142,19 @@ sudo cp tools/perf/perf /usr/local/bin
 
 ## Test Perf {#test}
 
-Regardless of how you installed Perf, try the `perf list` command:
+Regardless of how you installed Perf, run the `version` command:
+
+```console
+perf version
+```
+
+The output will be similar to:
+
+```output
+perf version 5.15.116
+```
+
+You can also try the `list` command to confirm `perf` is working as expected:
 
 ```console
 perf list
@@ -260,6 +272,18 @@ To permanently set the paranoid level, add the following line to the file `/etc/
 kernel.perf_event_paranoid=2
 ```
 
+### Additional Perf commands
+
+There are five common commands used in performance analysis. 
+
+* **stat** provides performance counter statistics for the overall execution of a program
+
+* **record** samples the program and records the samples into a data file (perf.data by default)
+
+* **report** generates a report of where the samples occurred 
+
+* **annotate** displays the annotated code showing the source and assembly code for the samples
+
 ### Arm PMU driver
 
 Arm systems use a kernel driver to expose PMU hardware counters. The driver needs to be enabled in the Linux kernel in order to collect the hardware events.

diff --git a/content/install-guides/topdown-tool.md b/content/install-guides/topdown-tool.md
@@ -31,8 +31,6 @@ The Arm Telemetry Solution provides tools and data for performance analysis.
 
 The Arm Topdown Methodology specifies a set of metrics and steps to measure them using the Telemetry Solution. 
 
-Refer to the [Arm Neoverse V1 Performance Analysis Methodology whitepaper](https://armkeil.blob.core.windows.net/developer/Files/pdf/white-paper/neoverse-v1-core-performance-analysis.pdf) for an introduction to the Arm Topdown methodology. 
-
 The Telemetry Solution requires Linux Perf to collect metrics. 
 
 The Telemetry Solution also includes data for defining PMU events, a test suite to stress CPU resources, and a tool to parse Statistical Profiling Extension (SPE) data for analysis. 
@@ -156,10 +154,11 @@ output options:
 4. Test `topdown-tool` 
 
 {{% notice Note %}}
-You may need to enable user space access to the counters.
+You may need to enable access to the counters. More information about the options is in the [Linux Perf install guide](/install-guides/perf/).
 
 ```console
 sudo sh -c "echo -1 > /proc/sys/kernel/perf_event_paranoid"
+sudo sh -c "echo 0 > /proc/sys/kernel/kptr_restrict"
 ```
 {{% /notice %}}
 

diff --git a/content/learning-paths/servers-and-cloud-computing/mongodb/_index.md b/content/learning-paths/servers-and-cloud-computing/mongodb/_index.md
@@ -21,7 +21,7 @@ test_link: https://github.com/armflorentlebeau/arm-learning-paths/actions/runs/4
 test_maintenance: true
 test_status:
 - passed
-title: Learn about MongoDB on Arm servers
+title: Test the performance of MongoDB on Arm servers
 tools_software_languages:
 - MongoDB
 - AWS

diff --git a/content/learning-paths/servers-and-cloud-computing/mongodb/_next-steps.md b/content/learning-paths/servers-and-cloud-computing/mongodb/_next-steps.md
@@ -4,7 +4,7 @@
 # ================================================================================
 
 next_step_guidance: >
-    You can continue learning about porting cloud applications to the Arm architecture for increased performance and cost savings. The Learning Path on HyperScan is a great next step.
+    You can continue learning about porting cloud applications to the Arm architecture for increased performance and cost savings. The Learning Path on Hyperscan is a great next step.
 # 1-3 sentence recommendation outlining how the reader can generally keep learning about these topics, and a specific explanation of why the next step is being recommended.
 
 recommended_path: "/learning-paths/servers-and-cloud-computing/vectorscan/"

diff --git a/content/learning-paths/servers-and-cloud-computing/mongodb/_review.md b/content/learning-paths/servers-and-cloud-computing/mongodb/_review.md
@@ -6,7 +6,7 @@
 # Always 3 questions. Should try to test the reader's knowledge, and reinforce the key points you want them to remember.
     # question:         A one sentence question
     # answers:          The correct answers (from 2-4 answer options only). Should be surrounded by quotes.
-    # correct_answer:   An integer indicating what answer is correct (index starts from 0)
+    # correct_answer:   An integer indicating what answer is correct (index starts from 1)
     # explanation:      A short (1-3 sentence) explanation of why the correct answer is correct. Can add additional context if desired
 
 
@@ -23,7 +23,7 @@ review:
 
     - questions:
         question: >
-            Can you test MongoDB performance by running multiple threads executing different operation types?
+            Can MongoDB performance be tested by running multiple threads executing different operation types?
         answers:
             - "Yes"
             - "No"
@@ -41,7 +41,7 @@ review:
             - "Java"
         correct_answer: 4                    
         explanation: >
-            You will need Java 1.8 or newer installed, which can be done with one bash command.
+            You will need to have Java 1.8 or newer installed, which can be done with a single bash command.