lisa.analysis.tasks: Replace task_rename pid field with __pid
FIX
The task_rename event has lost its "pid" field since that commit:
https://lkml.org/lkml/2024/11/8/665
Therefore, use the __pid column instead as recommended in the commit message.
FIX
The task_rename event has lost its "pid" field since that commit:
https://lkml.org/lkml/2024/11/8/665
Therefore, use the __pid column instead as recommended in the commit message.