> > On Tue, May 22, 2018 at 12:52:07PM +0800, Luwei Kang wrote: > > > CPUID(EAX=14H,ECX=0):EBX[bit 3] = 1 indicates support of output to > > > Trace Transport subsystem. > > > MSR IA32_RTIT_CTL.FabricEn[bit 6] is reserved if CPUID.(EAX=14H, > > > ECX=0):ECX[bit 3] = 0. > > > > This should instead say: > > > > This adds support for "output to Trace Transport subsystem" capability > > of Intel PT, as documented in IA SDM Chapter 36.x.y.z. It means that > > PT can output its trace to an MMIO address range rather than system > > memory buffer. > > The $subject also needs attention. A little don't understand. What is "$subject" mean? Thanks, Luwei Kang
