Hi,

On Wed, Dec 23, 2020 at 10:03 PM Alexander Antonov
<alexander.anto...@linux.intel.com> wrote:
>
> Adding evsel::perf_device void pointer.
>
> For performance monitoring purposes, an evsel can have a related device.
> These changes allow to attribute, for example, I/O performance metrics
> to IIO stack.
>
> Signed-off-by: Alexander Antonov <alexander.anto...@linux.intel.com>
> ---
>  tools/perf/util/evsel.h | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
> index 79a860d8e3ee..c346920f477a 100644
> --- a/tools/perf/util/evsel.h
> +++ b/tools/perf/util/evsel.h
> @@ -127,6 +127,7 @@ struct evsel {
>          * See also evsel__has_callchain().
>          */
>         __u64                   synth_sample_type;
> +       void                    *perf_device;

Maybe we can use the existing 'priv' field.

Thanks,
Namhyung


>  };
>
>  struct perf_missing_features {
> --
> 2.19.1
>

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