Re: [PATCH v7 0/3] perf arm-spe: Add support for synthetic events
From: Leo Yan
Date: Thu May 21 2020 - 23:09:14 EST
Hi,
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 checkpatch.pl, 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.
Thanks,
Leo
> Tan Xiaojun (3):
> perf tools: Move arm-spe-pkt-decoder.h/c to the new dir
> perf auxtrace: Add four itrace options
> perf arm-spe: Support synthetic events
>
> tools/perf/Documentation/itrace.txt | 6 +-
> tools/perf/util/Build | 2 +-
> tools/perf/util/arm-spe-decoder/Build | 1 +
> .../util/arm-spe-decoder/arm-spe-decoder.c | 219 +++++
> .../util/arm-spe-decoder/arm-spe-decoder.h | 82 ++
> .../arm-spe-pkt-decoder.c | 0
> .../arm-spe-pkt-decoder.h | 16 +
> tools/perf/util/arm-spe.c | 823 +++++++++++++++++-
> tools/perf/util/auxtrace.c | 17 +
> tools/perf/util/auxtrace.h | 15 +-
> 10 files changed, 1135 insertions(+), 46 deletions(-)
> create mode 100644 tools/perf/util/arm-spe-decoder/Build
> create mode 100644 tools/perf/util/arm-spe-decoder/arm-spe-decoder.c
> create mode 100644 tools/perf/util/arm-spe-decoder/arm-spe-decoder.h
> rename tools/perf/util/{ => arm-spe-decoder}/arm-spe-pkt-decoder.c (100%)
> rename tools/perf/util/{ => arm-spe-decoder}/arm-spe-pkt-decoder.h (64%)
>
> --
> 2.17.1
>