PROBE::NFS.FOP.R(3stap) Network File Storage Tapsets PROBE::NFS.FOP.R(3stap)

# [NAME](#NAME)

probe::nfs.fop.read - NFS client read operation

# [SYNOPSIS](#SYNOPSIS)

```
probe nfs.fop.read {}
```

# [VALUES](#VALUES)

*devname*

block device name

# [DESCRIPTION](#DESCRIPTION)

SystemTap uses the vfs.do\_sync\_read probe to implement this probe and as a result will get operations other than the NFS client read operations.

# [SEE ALSO0](#SEE_ALSO0)

[*tapset::nfs*(3stap)](/man/enterprise-packages/systemtap/tapset::nfs.3stap)

September 2026 SystemTap Tapset Reference Ver

---

Document: probe::nfs.fop.read(3stap) from systemtap 5.6-r0 (Chainguard OS)
Source: https://sourceware.org/git/systemtap.git