TAPSET::DEV(3stap) TAPSET::DEV(3stap)

# [NAME](#NAME)

tapset::dev - systemtap dev tapset

# [DESCRIPTION](#DESCRIPTION)

[**MAJOR**](#MAJOR)

Extract major device number from a kernel device number (kdev\_t)

See [*function::MAJOR*(3stap)](/man/enterprise-packages/systemtap/function::MAJOR.3stap)  
for details.

[**MINOR**](#MINOR)

Extract minor device number from a kernel device number (kdev\_t)

See [*function::MINOR*(3stap)](/man/enterprise-packages/systemtap/function::MINOR.3stap)  
for details.

[**MKDEF**](#MKDEF)

Creates a value that can be compared to a kernel device number (kdev\_t)

See [*function::MKDEF*(3stap)](/man/enterprise-packages/systemtap/function::MKDEF.3stap)  
for details.

[**usrdev2kerndev**](#usrdev2kerndev)

Converts a user-space device number into the format used in the kernel

See [*function::usrdev2kerndev*(3stap)](/man/enterprise-packages/systemtap/function::usrdev2kerndev.3stap)  
for details.

# [SEE ALSO](#SEE_ALSO)

[*function::MAJOR*(3stap)](/man/enterprise-packages/systemtap/function::MAJOR.3stap), [*function::MINOR*(3stap)](/man/enterprise-packages/systemtap/function::MINOR.3stap), [*function::MKDEF*(3stap)](/man/enterprise-packages/systemtap/function::MKDEF.3stap), [*function::usrdev2kerndev*(3stap)](/man/enterprise-packages/systemtap/function::usrdev2kerndev.3stap), [*stap*(1)](/man/enterprise-packages/systemtap/stap.1), [*stapprobes*(3stap)](/man/enterprise-packages/systemtap/stapprobes.3stap)

September 2026 SystemTap Tapset Reference

---

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