Re: [PATCH V2 0/2] perf/x86/intel/pt: Add support for event tracing and TNT disabling

[Peter Zijlstra]

On Wed, Jan 26, 2022 at 12:48:13PM +0200, Adrian Hunter wrote:
> Hi
> 
> As of Intel SDM (https://www.intel.com/sdm) version 076, there are 2 new
> Intel PT features called Event Trace and TNT-Disable.
> 
> Event Trace exposes details about asynchronous events such as interrupts
> and VM-Entry/Exit.
> 
> TNT-Disable disables TNT packets to reduce the tracing overhead, but with
> the result that exact control flow information is lost.

What's a TNT?