Creating an LOM Analysis Task
Prerequisites
- No nodes are in the Offline state.
- The system kernel supports ftrace collection.
Procedure
- Click
next to System Profiler.Choose General Analysis from the drop-down list. The page for creating a task is displayed.
- Set task parameters by referring to "Task Management" and Table 1.Create an I/O analysis task. See Figure 1.
Table 1 Parameters for creating an LOM 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 Object
Select System.
Analysis Type
Select I/O Performance.
I/O Analysis Type
Select LOM.
Select Node
Node to be analyzed.
Collection Mode
The options are Overall network port analysis, Detailed network port analysis, and Detailed queue analysis.
Collection Interval (s)
Task collection interval. The options are 1 (default), 5, and 10.
Collection Duration (s)
Task collection duration, in seconds. The default value is 30. The value range is 2 to 300.
PMU Device
PMU whose data is to be collected.
Event
Events to be collected. Number of events x Number of network port queues ≤ 8.
Network Port
Network port to be collected. Number of events x Number of network port queues ≤ 8.
- 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.
: creates a task for comparing analysis results.
: changes the task or report name. The report naming rule is the same as that of a task.
