linux-kernel - Re: [PATCH] perf annotate: Support to display the LBR data in tui mode

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Message-ID: <20180223082500.GT25181@hirez.programming.kicks-ass.net>
Date:   Fri, 23 Feb 2018 09:25:00 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Jin Yao <yao.jin@...ux.intel.com>
Cc:     acme@...nel.org, jolsa@...nel.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, Linux-kernel@...r.kernel.org,
        ak@...ux.intel.com, kan.liang@...el.com, yao.jin@...el.com
Subject: Re: [PATCH] perf annotate: Support to display the LBR data in tui
 mode

On Fri, Feb 23, 2018 at 10:35:58PM +0800, Jin Yao wrote:
> Unlike the perf report interactive annotate mode, the perf annotate
> doesn't display the LBR data.
> 
> perf record -b ...
> perf annotate function
> 
> It should show IPC/cycle, but it doesn't.

There is far more than IPC/cycle for the LBR data, so this Changelog is
misleading.

Also, I think that this patch goes the wrong way, we should reduce the
divergence of the various modes, not make it worse.