1. Oracle Solaris 11.4 DTrace (Dynamic Tracing) Guide
  2. DTrace Providers
  3. Network and Network Service Protocol Providers
  4. nlmv4 Provider

nlmv4 Provider

For purposes of file locking, the NFSv3 protocol relies on Network Lock Manager version 4 (NLMv4). The nlmv4 provider exposes a set of probes tracking NLMv4 operations on the server, thus providing possibility to track NFSv3 locking operations.