Project: DTrace
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Project Description: The DTrace Dynamic Tracing Framework
Licenses: GPL, UPL

This is the Linux port of the Solaris Dynamic Tracing Framework.

Source code

DTrace is composed of three portions, an in-kernel core built into the UEK kernels, a userspace utility, dtrace-utils, and a type storage library, libdtrace-ctf.

Trees based on recent branches of upstream Linux are also available.

There is a degree of tying between the userspace tools and the kernel: in recent kernels this is signified via the version of the dtrace-kernel-headers capability found in the specfile, which is then used by the userspace specfile to require a compatible kernel at build time. libdtrace-ctf is easier: you can just use the tip of the latest release branch and everything should work.

RPMs

RPMs for Oracle Linux are available from here:

Kernel/OL release Repository
4.1 (UEK Release 4), OL7, x86https://yum.oracle.com/repo/OracleLinux/OL7/UEKR4/x86_64/index.html
4.1 (UEK Release 4), OL6, x86https://yum.oracle.com/repo/OracleLinux/OL6/UEKR4/x86_64/index.html
4.14 (UEK Release 5), OL7, x86https://yum.oracle.com/repo/OracleLinux/OL7/UEKR5/x86_64/index.html
4.14 (UEK Release 5), OL7, AArch64https://yum.oracle.com/repo/OracleLinux/OL7/latest/aarch64/index.html

Licensing

The license for DTrace has changed over time. Versions before 0.6.1 include a CDDL kernel module and a proprietary userspace component; versions 0.6.1 and above have a GPL kernel component and a UPL userspace component.