Re: [PATCH 03/26] tools headers uapi: Sync tools/include/uapi/linux/perf_event.h

Namhyung Kim
2020-09-14T05:39:51Z

On Mon, Sep 14, 2020 at 6:03 AM Jiri Olsa <jolsa@kernel.org> wrote:
>
> Sync uapi header with kernel version for mmap3 support.
>
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---
> tools/include/uapi/linux/perf_event.h | 27 ++++++++++++++++++++++++++-
> 1 file changed, 26 insertions(+), 1 deletion(-)
>
> diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
> index 3e5dcdd48a49..84a0cbdab1ef 100644
> --- a/tools/include/uapi/linux/perf_event.h
> +++ b/tools/include/uapi/linux/perf_event.h
> @@ -384,7 +384,8 @@ struct perf_event_attr {
> aux_output : 1, /* generate AUX records instead of events */
> cgroup : 1, /* include cgroup events */
> text_poke : 1, /* include text poke events */
> - __reserved_1 : 30;
> + mmap3 : 1, /* include bpf events */

Same here..

Thanks
Namhyung

> + __reserved_1 : 29;
>
> union {
> __u32 wakeup_events; /* wakeup every n events */
> @@ -1060,6 +1061,30 @@ enum perf_event_type {
> */
> PERF_RECORD_TEXT_POKE = 20,
>
> + /*
> + * The MMAP3 records are an augmented version of MMAP2, they add
> + * build id value to identify the exact binary behind map
> + *
> + * struct {
> + * struct perf_event_header header;
> + *
> + * u32 pid, tid;
> + * u64 addr;
> + * u64 len;
> + * u64 pgoff;
> + * u32 maj;
> + * u32 min;
> + * u64 ino;
> + * u64 ino_generation;
> + * u32 prot, flags;
> + * u32 reserved;
> + * u8 buildid[20];
> + * char filename[];
> + * struct sample_id sample_id;
> + * };
> + */
> + PERF_RECORD_MMAP3 = 21,
> +
> PERF_RECORD_MAX, /* non-ABI */
> };
>
> --
> 2.26.2
>