providers: linux: implement onSchedSwitch()
linux: proviers: register sched_wakeup*
providers: linux: implement onSchedProcessFork()
providers: linux: ensure linux node, implement onSchedProcessFree()
providers: linux: implement onLttngStatedumpProcessState()
providers: linux: implement onSchedWakeupEvent()
provider: linux: implement rest (not tested)

... but does not segfault, at least.
builder/qtibeeprogress: add elapsed time info
builder: increase publishing period