Creating a NUMA Refined Analysis Task

Function

The tool obtains the refined DDR access, NUMA access traffic matrix, and processes' memory access information based on Arm SPE capabilities.

Prerequisites

• At least one node has been installed successfully.
• The OS supports the SPE and PMU, and the SPE environment has been configured. For details, see Configuring the SPE Environment.
• VMs are not supported.

Creating a NUMA Refined Analysis Task

1. Click next to System Profiler.

   Choose General Analysis from the drop-down list. The page for creating a task is displayed.

2. Set task parameters by referring to "Task Management" and Table 1.
   Create a NUMA refined analysis task. See Figure 1.

   Figure 1 Creating a NUMA refined analysis task
   

   Table 1 Parameters for creating a NUMA refined analysis task

   Parameter	Description
   Task Name	Name of the task. The name must meet the following requirements: Contain only letters, digits, and underscores (_). Contain 1 to 64 characters.
   Analysis Type	Select NUMA Refined.
   Select Nodes	Select the nodes to be analyzed. If there is only one node, this node is selected by default. A maximum of 10 nodes can be selected at a time.
   Analysis Object	Select System.
   Sampling Duration (s)	Sampling duration, which must be greater than or equal to Report Interval. The default value is 30. The value ranges 2 to 28800.
   Report Interval (s)	Report interval, in seconds. The default value is 10. The value range is 2 to 30. This parameter needs to be set in Advanced Settings.
   Sampling Interval (Instructions)	Sampling interval. The default value is 163840. The value range is 1 to 232 – 1. NOTE: To monitor the environment for a long time, you are advised to change the sampling interval to 819200.

3. Click OK.

   You can click the icons next to the task name to perform the following operations:

   • : cancels the analysis task. After an analysis task is canceled, the collected information will be deleted.
   • : restarts the analysis task. You can modify task parameter settings and restart an analysis task. This button is available when a task is canceled or fails.
   • : deletes the analysis task. After a task is deleted, all data of this task will be deleted. Exercise caution when performing this operation.
   • : performs the analysis again. The analysis task is renamed and restarted.
   • : changes the task or report name. The report naming rule is the same as that of a task.