From: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>
To: Vince Weaver <vincent.weaver@maine.edu>
Cc: mtk.manpages@gmail.com, linux-man@vger.kernel.org,
linux-kernel@vger.kernel.org,
Stephane Eranian <eranian@google.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>
Subject: Re: [patch] perf_event_open.2: add PERF_SAMPLE_BRANCH_CALL branch sample type
Date: Sat, 22 Oct 2016 11:56:12 +0200 [thread overview]
Message-ID: <d47dc0f3-ab1a-2271-847d-2b4be4d60c47@gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1610211653160.12619@macbook-air>
Hi Vince,
On 10/21/2016 10:55 PM, Vince Weaver wrote:
>
> Linux 4.4 (c229bf9dc179d2023e185c0f705bdf68484c1e73) added
> the PERF_SAMPLE_BRANCH_CALL branch sample type, which confusingly
> is a direct-call only subset of what PERF_SAMPLE_BRANCH_ANY_CALL
> provides.
Thanks. Applied.
Cheers,
Michael
> Signed-off-by: Vince Weaver <vincent.weaver@maine.edu>
>
> diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
> index fade28c..8d985b3 100644
> --- a/man2/perf_event_open.2
> +++ b/man2/perf_event_open.2
> @@ -1256,14 +1256,18 @@ following bits must be set.
> Any branch type.
> .TP
> .B PERF_SAMPLE_BRANCH_ANY_CALL
> -Any call branch.
> -.TP
> -.B PERF_SAMPLE_BRANCH_ANY_RETURN
> -Any return branch.
> +Any call branch (includes direct calls, indirect calls, and far jumps).
> .TP
> .B PERF_SAMPLE_BRANCH_IND_CALL
> Indirect calls.
> .TP
> +.BR PERF_SAMPLE_BRANCH_CALL " (since Linux 4.4)"
> +.\" commit c229bf9dc179d2023e185c0f705bdf68484c1e73
> +Direct calls.
> +.TP
> +.B PERF_SAMPLE_BRANCH_ANY_RETURN
> +Any return branch.
> +.TP
> .BR PERF_SAMPLE_BRANCH_IND_JUMP " (since Linux 4.2)"
> .\" commit c9fdfa14c3792c0160849c484e83aa57afd80ccc
> Indirect jumps.
>
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
prev parent reply other threads:[~2016-10-22 9:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-21 20:55 [patch] perf_event_open.2: add PERF_SAMPLE_BRANCH_CALL branch sample type Vince Weaver
2016-10-22 9:56 ` Michael Kerrisk (man-pages) [this message]
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