Skip to content

Investigate Possible Race Condition on Profile Data Generation #8

Description

@vjkoskela

There is a possible race condition between the request to dump profile data to a file and the processing of that file. Signal handling should pre-empt process execution; however, it would be useful to confirm this. Browsing the Oracle documentation it is not immediately clear if this is the case:

https://docs.oracle.com/javase/7/docs/webnotes/tsg/TSG-VM/html/signals.html

If there does exist a race condition between dumping and processing we effectively need to count how many dumps to exist and block processing (with a timeout) until all dumps are available. As the code currently works this would require polling the profile data file. Alternatively, we could investigate using tcp profile data capture and a barrier (no polling required).

Activity

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions