IBM Research has had problems with Commercial Scale-out applications, which are being an increasing trend to split large server workloads. They used LTTng successfully to solve a distributed filesystem-related issue.

More information:

• Linux Kernel Debugging on Google-sized clusters at Ottawa Linux Symposium 2007
• Experiences Understanding Performance in a Commercial Scale-Out Environment at Europar 2007

In the development of their next-generation of Linux audio/video edition applications, Autodesk used LTTng extensively to solve soft real-time issues they had.

More information:

• Linux Kernel Debugging on Google-sized clusters at Ottawa Linux Symposium 2007

Wind River included LTTng in their Linux distribution (Wind River Linux 3.0 product note) so their clients, already familiar to Wind River own tracing solution in VxWorks, can have the same kind of features they have relied on for a long time.

Montavista has integrated LTTng in their distribution (DevRocket product detail) for the same reasons. It's used by Sony amongst others.

The STLinux distribution includes LTTng as a tracing solution (STLinux documentation) for its customers.

Novell offers a demo SuSE-LTTng live cd (live cd documentation and download) and a pre-built UST package (SuSE UST package download) for SuSE.

Siemens has been using LTTng internally for some time (LTTng use at Siemens).

• http://forum.soft32.com/linux/lttng-success-story-ftopict338203.html