It is now possible to define a default perspective in the extension of the trace type UI extension point. When a default perspective is define for a given trace type and the perspective is not currently open, then a dialog window opens to confirm switching the perspective during opening of a trace.
The user's choice is persisted as part of the tracing preferences and can be changed using Window -> Preferences... -> Tracing -> Perspectives preference page.
This has been implemented for the trace types LTTng Kernel, Network pcap and GDB Trace trace types that are delivered by this release.
Bugs fixed in the 2.3.0 release
See Bugzilla report Bugs Fixed in Trace Compass 2.3.0