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Oracle Continues With DTrace On Linux

Linux Kernel

Published on 05 April 2012 08:22 AM EDT
Written by Michael Larabel in Linux Kernel
3 Comments

Another noteworthy session from this year's Linux Foundation Summit was two Oracle engineers talking about DTrace on Linux.

Kris Van Hees and Elena Zannoni of Oracle were at the Linux Foundation Collaboration Summit to promote DTrace on Linux. Last year was when it was reported Oracle was bringing DTrace to Linux. In particular, they wanted to bring this Solaris technology from their Sun Microsystems acquisition over to their RHEL-derived Oracle Enterprise Linux.

Oracle has put out DTrace for the Linux kernel with user-space support. With this being the first Linux Foundation Collaboration Summit since they brought this technology from Solaris to Linux, it was a topic of this year's San Francisco event.

Oracle's reasoning for bringing DTrace to Linux is that there's been many Linux utilities available but with all different interfaces/outputs/commands, a lack of user-space tracing solutions, make DTrace Solaris scripts work on Linux, allow Solaris administrators to use their experience on Linux, and there's been reported customer demand.

Oracle makes DTrace on Linux available through their Oracle Unbreakable Enterprise Kernel (version 0.2 in UEK 2.6.39 kernel) and as a separate technology preview kernel. DTrace on Linux is limited to x86_64-only. Oracle's making all kernel changes under the GNU GPL while the DTrace kernel module itself is CDDL.

What's coming up next for DTrace on Linux is completing the profile provider, add more SDT providers, function boundary tracing, Compact Type Format support, and user-space application tracing.

Oracle Continues With DTrace On Linux Oracle Continues With DTrace On Linux Oracle Continues With DTrace On Linux
Oracle Continues With DTrace On Linux Oracle Continues With DTrace On Linux Oracle Continues With DTrace On Linux
Oracle Continues With DTrace On Linux Oracle Continues With DTrace On Linux Oracle Continues With DTrace On Linux
Oracle Continues With DTrace On Linux Oracle Continues With DTrace On Linux Oracle Continues With DTrace On Linux
Oracle Continues With DTrace On Linux Oracle Continues With DTrace On Linux Oracle Continues With DTrace On Linux
Oracle Continues With DTrace On Linux

For those not wishing to touch out-of-tree kernel solutions or anything potentially poisonous from Oracle, there is SystemTap as one open-source Linux alternative.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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