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Message-ID: <a3efee50-cf64-d139-237f-b51be8f76f3c@intel.com>
Date: Wed, 12 Jun 2019 15:52:11 +0300
From: Adrian Hunter <adrian.hunter@...el.com>
To: Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/11] perf intel-pt: Add new packets for PEBS via PT
On 12/06/19 3:41 PM, Arnaldo Carvalho de Melo wrote:
> Em Wed, Jun 12, 2019 at 08:58:00AM +0300, Adrian Hunter escreveu:
>> On 12/06/19 3:09 AM, Arnaldo Carvalho de Melo wrote:
>>> Em Mon, Jun 10, 2019 at 10:27:53AM +0300, Adrian Hunter escreveu:
>>>> Add 3 new packets to supports PEBS via PT, namely Block Begin Packet (BBP),
>>>> Block Item Packet (BIP) and Block End Packet (BEP). PEBS data is encoded
>>>> into multiple BIP packets that come between BBP and BEP. The BEP packet
>>>> might be associated with a FUP packet. That is indicated by using a
>>>> separate packet type (INTEL_PT_BEP_IP) similar to other packets types with
>>>> the _IP suffix.
>>>>
>>>> Refer to the Intel SDM for more information about PEBS via PT.
>>>
>>> In these cases would be nice to provide an URL and page number, for
>>> convenience.
>>
>> Intel SDM:
>>
>> https://software.intel.com/en-us/articles/intel-sdm
>>
>> May 2019 version: Vol. 3B 18.5.5.2 PEBS output to IntelĀ® Processor Trace
>
> Thanks! I'll add to that cset.
>
> What about the kernel bits?
Awaiting V2, here is a link to the patches:
https://lore.kernel.org/lkml/20190502105022.15534-1-alexander.shishkin@linux.intel.com/
There is also still a few more tools changes dependent upon the kernel patches.
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