linux-kernel - Re: [PATCH 1/2] perf, tools: Implement branch

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Date:   Thu, 13 Oct 2016 13:32:52 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Andi Kleen <andi@...stfloor.org>
Cc:     acme@...nel.org, jolsa@...nel.org, linux-kernel@...r.kernel.org,
        Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 1/2] perf, tools: Implement branch_type event parameter

On Wed, Oct 12, 2016 at 02:02:06PM -0700, Andi Kleen wrote:
> From: Andi Kleen <ak@...ux.intel.com>
> 
> It can be useful to specify branch type state per event, for example
> if we want to collect both software trace points and last branch PMU
> events in a single collection. Currently this doesn't work because
> the software trace point errors out with -b.
> 
> There was already a branch-type parameter to configure branch sample
> types per event in the parser, but it was stubbed out. This patch
> implements the necessary plumbing to actually enable it.
> 
> Now
> 
> perf record -e sched:sched_switch,cpu/cpu-cycles,branch_type=any/ ...
> 
> works
> 
> Signed-off-by: Andi Kleen <ak@...ux.intel.com>

Acked-by: Jiri Olsa <jolsa@...hat.com>

thanks,
jirka