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SubjectRe: [PATCH v0 00/71] perf: Add support for Intel Processor Trace

* Alexander Shishkin <> wrote:

> Hi,
> This patchset adds support for Intel Processor Trace (PT) extension
> [1] of Intel Architecture that allows the capture of information
> about software execution flow, to the perf kernel and userspace
> infrastructure. We provide an abstraction for it called "itrace" for
> "instruction trace" ([2]).

Ok, this feature looks rather interesting.

On the hardware side this is essentially BTS (Branch Trace Store) on
steroids (with many extensions), right?



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