Error Reported During Data Collection for Roofline Analysis

Symptom

A roofline analysis task fails to be executed, with an error message displayed indicating that the application fails to be executed and prompting you to manually execute the application under the application user to ensure that the application can run properly.

Figure 1 Error message

Possible Cause

Roofline analysis involves PMU event collection. This process uses the perf_event_open API to collect data. However, the perf_event_open API is not supported in the SUSE 15 SP1 OS.

Troubleshooting Procedure

1. Check perf.

   1	perf stat -vv -e '{branch-misses,bus-cycles,cache-misses}'

   If the OS does not support data collection for roofline analysis, the following information is displayed:

   Figure 2 Command output
   
2. Change your OS and then run the roofline analysis again.