Messages in this thread |  | | Date | Wed, 11 Dec 2013 14:04:48 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH v0 00/71] perf: Add support for Intel Processor Trace |
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* Alexander Shishkin <alexander.shishkin@linux.intel.com> 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?
Thanks,
Ingo
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