Re: [PATCH v1 1/5] perf/core: Define the common branch type classification

From	Peter Zijlstra <peterz@infradead.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v1 1/5] perf/core: Define the common branch type classification
Date	2017-04-06 11:30 +0200
Message-ID	<ttbTQ-6GC-29@gated-at.bofh.it> (permalink)
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On Thu, Apr 06, 2017 at 04:21:06PM +0800, Jin, Yao wrote:
> Hi, otherwise we have to maintain 2 branch type copies between kernel and
> user-space.
> 
> For example, currently X86_BR_* are defined in lbr.c. To display the branch
> type in user-space, the user-space has to maintain the same copy for
> X86_BR_*. I didn't get a better idea.

I still don't understand what you want; or why it would matter.

Those specific macros are for hardware LBR filter emulation/fixup. What
does that have to do with any userspace crud?

Thread

[PATCH v1 0/5] perf report: Show branch type Jin Yao <yao.jin@linux.intel.com> - 2017-03-31 09:30 +0200
  [PATCH v1 1/5] perf/core: Define the common branch type classification Jin Yao <yao.jin@linux.intel.com> - 2017-03-31 09:30 +0200
    Re: [PATCH v1 1/5] perf/core: Define the common branch type  classification Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-04 16:20 +0200
      Re: [PATCH v1 1/5] perf/core: Define the common branch type  classification "Jin, Yao" <yao.jin@linux.intel.com> - 2017-04-04 18:00 +0200
        Re: [PATCH v1 1/5] perf/core: Define the common branch type  classification Arnaldo Carvalho de Melo <acme@kernel.org> - 2017-04-04 18:20 +0200
          Re: [PATCH v1 1/5] perf/core: Define the common branch type  classification "Jin, Yao" <yao.jin@linux.intel.com> - 2017-04-06 02:10 +0200
      Re: [PATCH v1 1/5] perf/core: Define the common branch type  classification Peter Zijlstra <peterz@infradead.org> - 2017-04-06 09:00 +0200
        Re: [PATCH v1 1/5] perf/core: Define the common branch type  classification "Jin, Yao" <yao.jin@linux.intel.com> - 2017-04-06 10:30 +0200
          Re: [PATCH v1 1/5] perf/core: Define the common branch type  classification Peter Zijlstra <peterz@infradead.org> - 2017-04-06 11:30 +0200
            Re: [PATCH v1 1/5] perf/core: Define the common branch type  classification "Jin, Yao" <yao.jin@linux.intel.com> - 2017-04-06 16:50 +0200
              Re: [PATCH v1 1/5] perf/core: Define the common branch type  classification Peter Zijlstra <peterz@infradead.org> - 2017-04-06 19:00 +0200
                Re: [PATCH v1 1/5] perf/core: Define the common branch type  classification "Jin, Yao" <yao.jin@linux.intel.com> - 2017-04-07 04:20 +0200
  [PATCH v1 5/5] perf report: Show branch type in callchain entry Jin Yao <yao.jin@linux.intel.com> - 2017-03-31 09:30 +0200
  [PATCH v1 4/5] perf report: Show branch type statistics for stdio mode Jin Yao <yao.jin@linux.intel.com> - 2017-03-31 09:30 +0200
  [PATCH v1 3/5] perf record: Create a new option save_type in --branch-filter Jin Yao <yao.jin@linux.intel.com> - 2017-03-31 09:30 +0200

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