linux-kernel - Re: [PATCH v2 RESEND] perf tools: makes CPUINFO_PROC to array for different kernel version

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Message-ID: <5449B1D5.8010700@huawei.com>
Date:	Fri, 24 Oct 2014 09:56:37 +0800
From:	Wang Nan <wangnan0@...wei.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
CC:	Namhyung Kim <namhyung@...nel.org>, <a.p.zijlstra@...llo.nl>,
	<paulus@...ba.org>, <mingo@...hat.com>, <jolsa@...hat.com>,
	<adrian.hunter@...el.com>, <Waiman.Long@...com>,
	<linux-kernel@...r.kernel.org>, <lizefan@...wei.com>
Subject: Re: [PATCH v2 RESEND] perf tools: makes CPUINFO_PROC to array for
 different kernel version

Hi Arnaldo,

A have posted a v3 patch based on your git repository. Please refer to:

https://lkml.org/lkml/2014/10/23/711 .

Thanks.


On 2014/10/24 7:53, Arnaldo Carvalho de Melo wrote:
> Em Fri, Oct 24, 2014 at 08:26:13AM +0900, Namhyung Kim escreveu:
>> On Wed, 22 Oct 2014 15:40:14 +0800, Wang Nan wrote:
>>> After kernel 3.7 (commit b4b8f770eb10a1bccaf8aa0ec1956e2dd7ed1e0a),
>>> /proc/cpuinfo replaces 'Processor' to 'model name'. This patch makes
>>> CPUINFO_PROC to an array and provides two choices for ARM, makes it
>>> compatible for different kernel version.
> 
>>> v1 -> v2: minor changes as suggested by Namhyung Kim:
> 
>>>  - Doesn't pass @h and @evlist to __write_cpudesc;
>>>  - Coding style fix.
> 
>>> Signed-off-by: Wang Nan <wangnan0@...wei.com>
>  
>> Acked-by: Namhyung Kim <namhyung@...nel.org>
> 
> So now this will work with older kernels and new ones? Cool, thanks for
> working on it, but:
> 
> [acme@...andy linux]$ patch -p1 < /wb/1.patch 
> patching file tools/perf/perf.h
> Hunk #1 FAILED at 6.
> Hunk #2 FAILED at 15.
> Hunk #3 FAILED at 25.
> Hunk #4 FAILED at 40.
> Hunk #5 FAILED at 74.
> Hunk #6 FAILED at 91.
> 6 out of 6 hunks FAILED -- saving rejects to file tools/perf/perf.h.rej
> patching file tools/perf/util/header.c
> Hunk #1 succeeded at 579 (offset 29 lines).
> Hunk #2 succeeded at 636 (offset 29 lines).
> [acme@...andy linux]$
> 
> [acme@...andy linux]$ git log --oneline tools/perf/perf.h | head -10
> 87c43ee perf tools: Export usage string and option table of perf record
> 72a128a perf tools: Move callchain config from record_opts to callchain_param
> 73a31b7 perf tools: Move ACCESS_ONCE from perf.h header
> 82baa0e perf tools: Move sys_perf_event_open function from perf.h
> 43599d1 perf tools: Move syscall and arch specific defines from perf.h
> 2c83bc0 perf tools: Move perf_call_graph_mode enum from perf.h
> 0776eb5 perf tools: Move sample data structures from perf.h
> 36446f4 perf tools: Remove PR_TASK_PERF_EVENTS_* from perf.h
> 273a0a7 perf tools: Remove asmlinkage define from perf.h
> 1b7ae1c perf tools: Remove min define from perf.h
> [acme@...andy linux]$
> 
> This is:
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git perf/core
> 
> If you don't have time to fix this up, I'll try to find time tomorrow
> and do it.
> 
> - Arnaldo
> 




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