Re: [PATCH v7 0/3] perf arm-spe: Add support for synthetic events

From: Will Deacon
Date: Tue May 26 2020 - 06:26:11 EST

On Fri, May 22, 2020 at 11:09:19AM +0800, Leo Yan wrote:
> On Mon, May 04, 2020 at 07:56:22PM +0800, Leo Yan wrote:
> > This patch set is to support synthetic events with enabling Arm SPE
> > decoder. Since before Xiaojun Tan (Hisilicon) and James Clark (Arm)
> > have contributed much for this task, so this patch set is based on their
> > privous work and polish for the version 7.
> >
> > The main work in this version is to polished the core patch "perf
> > arm-spe: Support synthetic events", e.g. rewrite the code to calculate
> > ip, packet generation for multiple types (L1 data cache, Last level
> > cache, TLB, remote access, etc). It also heavily refactors code for
> > data structure and program flow, which removed unused fields in
> > structure and polished the program flow to achieve neat code as
> > possible.
> >
> > This patch set has been checked with, though it leaves
> > several warnings, but these warnings are delibarately kept after
> > reviewing. Some warnings ask to add maintainer (so far it's not
> > necessary), and some warnings complaint for patch 02 "perf auxtrace:
> > Add four itrace options" for the text format, since need to keep the
> > consistency with the same code format in the source code, this is why
> > this patch doesn't get rid of checkpatch warnings.
> Gentle ping ...
> It would be appreciate if can get some review for this patch set.

I was hoping that James Clark would have a look, since he was the last
person to go near the userspace side of SPE.