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Re: [PATCH 1/4] perf tools: Add a test for decoding of new x86 instructions

From Adrian Hunter <adrian.hunter@intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH 1/4] perf tools: Add a test for decoding of new x86 instructions
Date 2015-09-01 10:30 +0200
Message-ID <q3P75-160-31@gated-at.bofh.it> (permalink)
References <q3xWx-1u3-5@gated-at.bofh.it> <q3xWy-1u3-27@gated-at.bofh.it> <q3HsS-6Nl-7@gated-at.bofh.it>
Organization Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki

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On 01/09/15 03:18, 平松雅巳 / HIRAMATU，MASAMI wrote:
>> From: Adrian Hunter [mailto:adrian.hunter@intel.com]
>>
>> Add a new test titled:
>>
>> 	Test x86 instruction decoder - new instructions
>>
>> The purpose of this test is to check the instruction decoder
>> after new instructions have been added.  Initially, MPX
>> instructions are tested which are already supported, but the
>> definitions in x86-opcode-map.txt will be tweaked in a
>> subsequent patch, after which this test can be run to verify
>> those changes.
> 
> Hmm, btw, why should this test in perf? It seems that we need
> this test in kselftest or build-time selftest.
> I prefer to put this in arch/x86/tools/ or lib/. What would you
> think ?

There are 2 reasons perf tools needs a test:
	1. perf tools is source code independent from the kernel i.e. it has its
own copy of the instruction decoder.
	2. perf tools test also tests the Intel PT decoder's categorization of
instructions.


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[PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Adrian Hunter <adrian.hunter@intel.com> - 2015-08-31 16:10 +0200
  [PATCH 4/4] x86/insn: perf tools: Add new memory instructions Adrian Hunter <adrian.hunter@intel.com> - 2015-08-31 16:10 +0200
  Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-08-31 16:50 +0200
  Re: [PATCH 1/4] perf tools: Add a test for decoding of new x86 instructions Adrian Hunter <adrian.hunter@intel.com> - 2015-09-01 10:30 +0200
    RE: [PATCH 1/4] perf tools: Add a test for decoding of new x86  instructions 平松雅巳 / HIRAMATU，MASAMI   <masami.hiramatsu.pt@hitachi.com> - 2015-09-01 13:10 +0200
  Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Ingo Molnar <mingo@kernel.org> - 2015-09-01 11:00 +0200
    RE: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions 平松雅巳 / HIRAMATU，MASAMI   <masami.hiramatsu.pt@hitachi.com> - 2015-09-01 13:40 +0200
      Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Adrian Hunter <adrian.hunter@intel.com> - 2015-09-01 14:20 +0200
        Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Ingo Molnar <mingo@kernel.org> - 2015-09-01 15:00 +0200
        RE: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions 平松雅巳 / HIRAMATU，MASAMI   <masami.hiramatsu.pt@hitachi.com> - 2015-09-01 17:20 +0200
    Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Adrian Hunter <adrian.hunter@intel.com> - 2015-09-01 14:20 +0200
      Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Jiri Olsa <jolsa@redhat.com> - 2015-09-01 16:00 +0200
        Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-09-01 17:00 +0200
      Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-09-01 16:00 +0200
      Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-09-01 22:00 +0200
        Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Jiri Olsa <jolsa@redhat.com> - 2015-09-02 08:00 +0200
          RE: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions 平松雅巳 / HIRAMATU，MASAMI   <masami.hiramatsu.pt@hitachi.com> - 2015-09-02 08:50 +0200
            Re: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions Ingo Molnar <mingo@kernel.org> - 2015-09-02 09:40 +0200
              RE: [PATCH 0/4] x86/insn: perf tools: Add a few new x86 instructions 平松雅巳 / HIRAMATU，MASAMI   <masami.hiramatsu.pt@hitachi.com> - 2015-09-02 12:30 +0200

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