Hi all:<div><br></div><div>LITMUS is new to me. After I installed LITMUS under Oracle Virtual Box on my Thinkpad x200, it seems that I can not find ft_trace device under /dev/litmus/. Only three devices can be seen under /dev/litmus:</div>
<div>ctrl log sched_trace0</div><div>How could I load a module to create ft_trace device ?</div><div><br></div><div>Another question is about sched_trace buffer. As said in Tracing and Logging tutorial, sched_trace is a per-"processor" buffer. The upbound number after sched_trace is given by num_online_cpus(). My CPU is Intel P8600 duo core processors. It is supposed to be two sched_trace buffer. But why do i have only one sched_trace buffer under /dev/litmus ? it is because i install LITMUS on virtual machine instead of directly on real machine?</div>
<div><br></div><div>Thanks</div>