PROBE::NFSD.READ(3stap) Network File Storage Tapsets PROBE::NFSD.READ(3stap)

# [NAME](#NAME)

probe::nfsd.read - NFS server reading data from a file for client

# [SYNOPSIS](#SYNOPSIS)

```
probe nfsd.read {}
```

# [VALUES](#VALUES)

*size*

read bytes

*vlen*

read blocks

*fh*

file handle (the first part is the length of the file handle)

*offset*

the offset of file

*file*

argument file, indicates if the file has been opened.

*count*

read bytes

*client\_ip*

the ip address of client

*vec*

struct kvec, includes buf address in kernel address and length of each buffer

# [SEE ALSO0](#SEE_ALSO0)

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

September 2026 SystemTap Tapset Reference Ver

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