Messages in this thread | | | Subject | Re: [PATCH V2 0/2] perf/x86/intel/pt: Add support for event tracing and TNT disabling | From | Adrian Hunter <> | Date | Tue, 8 Feb 2022 08:28:48 +0200 |
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On 26/01/2022 12:48, 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. > > Tools patches are being sent in a separate patch set, but can be found > here: > > https://github.com/ahunter6/linux/tree/event-trace > > > Changes in V2: > > Add my SOB
Ping
> > > Alexander Shishkin (2): > perf/x86/intel/pt: Add a capability and config bit for event tracing > perf/x86/intel/pt: Add a capability and config bit for disabling TNTs > > arch/x86/events/intel/pt.c | 16 ++++++++++++++++ > arch/x86/include/asm/intel_pt.h | 2 ++ > arch/x86/include/asm/msr-index.h | 2 ++ > 3 files changed, 20 insertions(+) > > > Regards > Adrian >
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