[PATCH] perf: Consolidate branch sample filter helpers

[Peter Zijlstra]

On Tue, Sep 06, 2022 at 02:14:14PM +0530, Anshuman Khandual wrote:
> Besides the branch type filtering requests, 'event.attr.branch_sample_type'
> also contains various flags indicating which additional information should
> be captured, along with the base branch record. These flags help configure
> the underlying hardware, and capture the branch records appropriately when
> required e.g after PMU interrupt. But first, this moves an existing helper
> perf_sample_save_hw_index() into the header before adding some more helpers
> for other branch sample filter flags.
> 
> Cc: Peter Zijlstra <peterz at infradead.org>
> Cc: Ingo Molnar <mingo at redhat.com>
> Cc: Arnaldo Carvalho de Melo <acme at kernel.org>
> Cc: linux-perf-users at vger.kernel.org
> Cc: linux-kernel at vger.kernel.org
> Acked-by: Peter Zijlstra (Intel) <peterz at infradead.org>
> Signed-off-by: Anshuman Khandual <anshuman.khandual at arm.com>
> ---
> Hello Peter,
> 
> Could you please consider taking this patch along with others on the perf
> ABI series. This patch has been part of the original BRBE driver series,
> which will have one less patch to include going forward. Thank you.
> 
> - Anshuman
> 
> This applies on v6.0-rc4 but after applying the following patch series
> 
> https://lore.kernel.org/all/20220824044822.70230-1-anshuman.khandual@arm.com/
> 

Yeah, but it doesn't cleanly apply to tip/perf/core....

The conflict looks trivial, let me stomp on it to make it fit :-)