linux-kernel - Re: [tip:perf/core] perf/headers: Sync new perf_event.h with the tools/include/uapi version

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Date:   Tue, 13 Feb 2018 14:38:28 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     rostedt@...dmis.org, daniel@...earbox.net, songliubraving@...com,
        yhs@...com, ast@...nel.org, peterz@...radead.org, mingo@...nel.org,
        linux-kernel@...r.kernel.org, tglx@...utronix.de,
        torvalds@...ux-foundation.org, davem@...emloft.net, jbacik@...com
Subject: Re: [tip:perf/core] perf/headers: Sync new perf_event.h with the
 tools/include/uapi version

On Tue, Feb 06, 2018 at 03:52:59AM -0800, tip-bot for Song Liu wrote:
> Commit-ID:  0d8dd67be013727ae57645ecd3ea2c36365d7da8
> Gitweb:     https://git.kernel.org/tip/0d8dd67be013727ae57645ecd3ea2c36365d7da8
> Author:     Song Liu <songliubraving@...com>
> AuthorDate: Wed, 6 Dec 2017 14:45:14 -0800
> Committer:  Ingo Molnar <mingo@...nel.org>
> CommitDate: Tue, 6 Feb 2018 10:18:05 +0100

any chance these patches can still make into this release considering
they were ready back in December ?
We have few followups for them and if we don't get them via Linus's tree
into net-next/bpf-next we cannot really proceed further.
The other option would be to cherry-pick them into bpf-next/net-next,
but also a bit scary due to potential conflicts?

Thanks!

> perf/headers: Sync new perf_event.h with the tools/include/uapi version
> 
> perf_event.h is updated in previous patch, this patch applies the same
> changes to the tools/ version. This is part is put in a separate
> patch in case the two files are back ported separately.
> 
> Signed-off-by: Song Liu <songliubraving@...com>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
> Reviewed-by: Yonghong Song <yhs@...com>
> Reviewed-by: Josef Bacik <jbacik@...com>
> Acked-by: Alexei Starovoitov <ast@...nel.org>
> Cc: <daniel@...earbox.net>
> Cc: <davem@...emloft.net>
> Cc: <kernel-team@...com>
> Cc: <rostedt@...dmis.org>
> Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
> Cc: Jiri Olsa <jolsa@...hat.com>
> Cc: Linus Torvalds <torvalds@...ux-foundation.org>
> Cc: Namhyung Kim <namhyung@...nel.org>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Link: http://lkml.kernel.org/r/20171206224518.3598254-5-songliubraving@fb.com
> Signed-off-by: Ingo Molnar <mingo@...nel.org>
> ---
>  tools/include/uapi/linux/perf_event.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
> index c77c9a2..5d49cfc 100644
> --- a/tools/include/uapi/linux/perf_event.h
> +++ b/tools/include/uapi/linux/perf_event.h
> @@ -380,10 +380,14 @@ struct perf_event_attr {
>  	__u32			bp_type;
>  	union {
>  		__u64		bp_addr;
> +		__u64		kprobe_func; /* for perf_kprobe */
> +		__u64		uprobe_path; /* for perf_uprobe */
>  		__u64		config1; /* extension of config */
>  	};
>  	union {
>  		__u64		bp_len;
> +		__u64		kprobe_addr; /* when kprobe_func == NULL */
> +		__u64		probe_offset; /* for perf_[k,u]probe */
>  		__u64		config2; /* extension of config1 */
>  	};
>  	__u64	branch_sample_type; /* enum perf_branch_sample_type */