fix segfault

[MishkaMN]

PR Details

Description

Previously in #2467, cpu usage script was merged.
However, for some processes when tested on CDASIM run, the script is segfaulting.
This fixes that issue where the proc["cmdline"] returns None

Related GitHub Issue

NA

Related Jira Key

https://usdot-carma.atlassian.net/browse/ARC-255

Motivation and Context

Discovered during creating plot for the usage.

How Has This Been Tested?

Tested on CDASIM run

Types of changes

• Defect fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that cause existing functionality to change)

Checklist:

• I have added any new packages to the sonar-scanner.properties file
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud