From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Kerrisk (man-pages)" Subject: Re: [patch 01/11] perf_event_open.2: 4.1 PERF_SAMPLE_BRANCH_CALL_STACK Date: Wed, 14 Oct 2015 08:26:08 +0200 Message-ID: <561DF580.50509@gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Vince Weaver Cc: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Stephane Eranian , Jiri Olsa , Andy Lutomirski , Kan Liang , Linus Torvalds List-Id: linux-man@vger.kernel.org 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 > > 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) Cc: Jiri > Olsa Cc: Arnaldo Carvalho de Melo > Cc: Andy Lutomirski Cc: Kan > Liang Cc: Linus Torvalds > Cc: Paul Mackerras > Cc: Vince Weaver Cc: > linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Link: > http://lkml.kernel.org/r/20141105093759.GQ10501-IIpfhp3q70z/8w/KjCw3T+5/BudmfyzbbVWyRVo5IupeoWH0uzbU5w@public.gmane.org > > Signed-off-by: Ingo Molnar > Signed-off-by: Vince Weaver > > 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 > > .TP -- To unsubscribe from this list: send the line "unsubscribe > linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More > majordomo info at http://vger.kernel.org/majordomo-info.html > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html