Viewing Miss Event Analysis Results

Prerequisites

A miss event analysis task has been created and the analysis is complete.

Procedure

1. In the System Profiler area on the left, click the name of the target analysis task.

   The node list is displayed.

2. Click the name of the target node to view the analysis results.
   • By default, the metric sequence diagram of miss events is displayed, as shown in Figure 1.
     

     The Time Sequence Information tab page displays metric information by time. You can specify different metrics based on time to identify features in different time segments. Miss event time sequence diagrams of the following dimensions are provided: process, thread, module, and CPU.

     Figure 1 Time sequence information
     
   • Click in the upper right corner to switch the view and view the miss event details, as shown in Figure 2. Table 1 describes the parameters.
     

     • The Details tab page provides statistics on the number of miss events by process, thread, module, or function, and sorts the events based on the number of events.
     • unknown indicates that the address of the function cannot be associated.
     • You can select a function view from the Function/Callstack drop-down list.

       Function/Callstack: displays function information.

       Module/Function/Callstack: displays function information by module.

       Thread/Function/Callstack: displays function information by thread.

       Core/Thread/Function/Callstack: displays function information by core.

       Processes/Function/Thread/Callstack: displays function information by process.

       Processes/Thread/Module/Function/Callstack: displays function information by process.

       Processes/Module/Thread/Function/Callstack: displays function information by process.

       Processes/Module/Function/Thread/Callstack: displays function information by process.

       Function/Thread/Core/Callstack: displays function information by function.

     Figure 2 Details
     

     Table 1 Parameters on the Details tab page

     Parameter	Description
     Module Path	Absolute path of the module.
     Misses	Number of miss events.
     PID	Process ID.
     TID	Thread ID.

   • Click a function name in blue to view the function source code and assembly code analysis details, as shown in Figure 3.
     

     • You can click to navigate to the first line of the current function. The source code association function requires that the GLIBC version on the server be 2.34 or later and the GLIBCXX version be 3.4.21 or later.
     • If the dwarf option has been enabled during task creation, you can see the source code information. If dwarf is disabled, you can see only the assembly code.
     Figure 3 Source code association
     
   • Click the Task Information tab to view the detailed configuration and sampling information about the task on the current node.
     

     If the task fails to be executed, the failure cause is displayed on the Task Information tab page.

     If part of data fails to be collected but the overall task execution is not affected, you can view the exception message in Exception Information.

     Collection End Cause displays the reason why the data collection of the current task ends, for example, "Task collection times up."