linux-kernel - Re: [PATCH v4 0/6] perf c2c: Code refactoring

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Message-ID: <20210115084447.GC1470103@krava>
Date:   Fri, 15 Jan 2021 09:44:47 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     Leo Yan <leo.yan@...aro.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Joe Mario <jmario@...hat.com>, David Ahern <dsahern@...il.com>,
        Don Zickus <dzickus@...hat.com>, Joe Perches <joe@...ches.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 0/6] perf c2c: Code refactoring

On Thu, Jan 14, 2021 at 11:46:40PM +0800, Leo Yan wrote:
> This patch series is for several minor code refactoring, which is
> extracted from the patch series "perf c2c: Sort cacheline with all
> loads" [1].
> 
> There has a known issue for Arm SPE store operations and Arm SPE is
> the only consumer for soring with all loads, this is the reason in this
> series drops the changes for dimensions and sorting, and only extracts
> the patches related with code refactoring.  So this series doesn't
> introduce any functionality change.
> 
> The patches have been tested on x86_64 and compared the result before
> and after applying the patches, and confirmed no difference for the
> output result.
> 
> Changes from v3:
> * Refined patch 03/06 to remove unnecessary parentheses and test and
>   return early in the function filter_display() (Joe Perches);
> * Added new patch 04/06 to make argument type as u32 for percent().

Acked-by: Jiri Olsa <jolsa@...hat.com>

thanks,
jirka

> 
> Changes from v2:
> * Changed to use static functions to replace macros (Namhyung);
> * Added Jiri's Ack tags in the unchanged patches;
> * Minor improvement in the commit logs.
> 
> [1] https://lore.kernel.org/patchwork/cover/1353064/
> 
> 
> Leo Yan (6):
>   perf c2c: Rename for shared cache line stats
>   perf c2c: Refactor hist entry validation
>   perf c2c: Refactor display filter
>   perf c2c: Fix argument type for percent()
>   perf c2c: Refactor node display
>   perf c2c: Add local variables for output metrics
> 
>  tools/perf/builtin-c2c.c | 168 +++++++++++++++++++++++----------------
>  1 file changed, 99 insertions(+), 69 deletions(-)
> 
> -- 
> 2.25.1
>