GetProcNS returns the namespace ID of a given namespace and process.

GetAllProcNS return all the namespaces of a given process.

GetMountNSFirstProcesses return mapping between mount NS to its first process (aka, the process with the oldest start time in the mount NS).

GetProcNS returns the namespace ID of a given namespace and process.

GetProcessStartTime return the start time of the process using the procfs.

GetProcNS returns the namespace ID of a given namespace and process.