Thread (14 messages) 14 messages, 4 authors, 2022-06-17

Re: [PATCH v8 0/4] perf: arm-spe: Decode SPE source and use for perf c2c

From: Leo Yan <hidden>
Date: 2022-05-18 01:06:51
Also in: linux-perf-users, lkml

Hi Arnaldo,

On Tue, May 17, 2022 at 06:20:03PM -0300, Arnaldo Carvalho de Melo wrote:
Em Tue, May 17, 2022 at 02:03:21AM +0000, Ali Saidi escreveu:
quoted
When synthesizing data from SPE, augment the type with source information
for Arm Neoverse cores so we can detect situtions like cache line
contention and transfers on Arm platforms. 

This changes enables future changes to c2c on a system with SPE where lines that
are shared among multiple cores show up in perf c2c output. 

Changes is v9:
 * Change reporting of remote socket data which should make Leo's upcomping
   patch set for c2c make sense on multi-socket platforms  
Hey,

	Joe Mario, who is one of 'perf c2c' authors asked me about some
git tree he could clone from for both building the kernel and
tools/perf/ so that he could do tests, can you please provide that?
Sure, I will prepare a git tree for testing and share with Joe.
thanks!
Also thanks for your reminding.

Leo

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