+(4) instrument kernel bottom half irqsave, spinlocks, rwlocks, seqlocks, semaphores, mutexes, brlock.<br>
+(4) Try to use my own non LOCK prefixed version of atomic operations : we are
+using per-CPU variables, so it should make it possible.<br>
+(4) integrate NPTL instrumentation (see
+<A HREF="http://nptltracetool.sourceforge.net/">PTT</A>).<br>
+(4) Probe calibration kernel module.<br>
+(4) Make page faults detect nested fault without nesting 4 times in the page
+fault handler.<br>