Coverity found a Quality issue: Data race condition

Details:

Coverity Issue ID: 185629
Issue Description: Thread shared data is accessed without holding an appropriate lock, possibly causing a race condition
Potential Impact: The value of the shared data will be determined by the interleaving of thread execution.
Coverity checker: MISSING_LOCK
Branch: master
File path: /src/mongo/db/ftdc/controller.cpp
Line number: Unknown

What Coverity Detected

Example 1 (cont.): "mongo::FTDCConfig.period" is written to with lock "mongo::FTDCController._mutex" held.

The issue can be viewed in Coverity here.

How do I fix this?

Refer to https://wiki.corp.mongodb.com/spaces/HGTC/pages/385852267/Guidance+on+fixing+Coverity+issues for guidance on fixing Coverity issues.

This is a false positive, what do I do?

Close the ticket and choose the appropriate resolution. Make sure to include a comment explaining why this is a false positive.