On 09/11/17 19:05, Alexander Shishkin wrote:
> diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
> index f684d8e5fa2b..d3f147e99165 100644
> --- a/kernel/events/ring_buffer.c
> +++ b/kernel/events/ring_buffer.c
> @@ -425,6 +425,12 @@ static bool __always_inline rb_need_aux_wake
It has been pointed out to me many times that it is useful to be able
to switch off AUX records to save the bandwidth for records that actually
matter, for example, in AUX overwrite mode.
The usefulness of PERF_RECORD_AUX is in some of its flags, like the
TRUNCATED flag that tells the decoder wher
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