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Message-ID: <561DF580.50509@gmail.com>
Date: Wed, 14 Oct 2015 08:26:08 +0200
From: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
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To: Vince Weaver <vincent.weaver@maine.edu>
CC: mtk.manpages@gmail.com, linux-man@vger.kernel.org,
        linux-kernel@vger.kernel.org, Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Stephane Eranian <eranian@google.com>, Jiri Olsa <jolsa@redhat.com>,
        Andy Lutomirski <luto@amacapital.net>, Kan Liang <kan.liang@intel.com>,
        Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [patch 01/11] perf_event_open.2: 4.1 PERF_SAMPLE_BRANCH_CALL_STACK
References: <alpine.DEB.2.20.1507231307280.3742@vincent-weaver-1.umelst.maine.edu>
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On 07/23/2015 07:08 PM, Vince Weaver wrote:
> 
> This manpage patch relates to the addition of the 
> PERF_SAMPLE_BRANCH_CALL_STACK functionaliry added in the following
> commit:
> 
> commit 2c44b1936bb3b135a3fac8b3493394d42e51cf70 Author: Peter
> Zijlstra <peterz@infradead.org>
> 
> perf/x86/intel: Expose LBR callstack to user space tooling
> 
> With LBR call stack feature enable, there are three callchain
> options. Enable the 3rd callchain option (LBR callstack) to user
> space tooling.

Thanks, Vince. Applied.

Cheers,

Michael


> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Jiri
> Olsa <jolsa@redhat.com> Cc: Arnaldo Carvalho de Melo
> <acme@kernel.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Kan
> Liang <kan.liang@intel.com> Cc: Linus Torvalds
> <torvalds@linux-foundation.org> Cc: Paul Mackerras
> <paulus@samba.org> Cc: Vince Weaver <vincent.weaver@maine.edu> Cc:
> linux-api@vger.kernel.org Link:
> http://lkml.kernel.org/r/20141105093759.GQ10501@worktop.programming.kicks-ass.net
>
> Signed-off-by: Ingo Molnar <mingo@kernel.org>
> Signed-off-by: Vince Weaver <vincent.weaver@maine.edu>
> 
> diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 index
> 856ec64..71bfb17 100644 --- a/man2/perf_event_open.2 +++
> b/man2/perf_event_open.2 @@ -1240,6 +1240,11 @@ Branch in
> transactional memory transaction. .BR PERF_SAMPLE_BRANCH_NO_TX "
> (since Linux 3.11)" .\" commit
> 135c5612c460f89657c4698fe2ea753f6f667963 Branch not in transactional
> memory transaction. +.BR PERF_SAMPLE_BRANCH_CALL_STACK " (since Linux
> 4.1)" +.\" commit 2c44b1936bb3b135a3fac8b3493394d42e51cf70 +Branch is
> part of a hardware generated call stack. +This requires hardware
> support, currently only found +on Intel x86 Haswell or newer. .RE
> 
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> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/