Linux Trace Toolkit

This release adds a lockless logging scheme, a port to ARM, a fixed
MIPS port, updated autoconf tools, and fixed SMP analysis.

Ports to S/390, SuperH, and MIPS, cross-platform reading capabilities, updated RTAI support, user-space events, binary traces access through user-space library, visualizer enhancements, dynamic modification of trace masks, and autoconf/autobuild system integration.

MIPS support, cross-platform reading capabilities for RTAI traces, a fix for the RTAI graph trace display, new RTAI graph icons, and many bugfixes and patches.

In this release, support is added for S/390 and SuperH, the build system is converted to autoconf, RTAI support is updated to version 24.1.7 and there are many patches, updates and bugfixes.

The capability to create and log user-space events, and the capability to modify trace masks from the user-space at run-time during tracing were added.