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

# [NAME](#NAME)

probe::nfs.fop.open - NFS client file open operation

# [SYNOPSIS](#SYNOPSIS)

```
probe nfs.fop.open {}
```

# [VALUES](#VALUES)

*file\_name*

file name

*i\_size*

file length in bytes

*ino*

inode number

*flag*

file flag

*dev*

device identifier

# [SEE ALSO0](#SEE_ALSO0)

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

September 2026 SystemTap Tapset Reference Ver

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