linux-kernel - Re: Port the period data column to centos6.7 for perf script

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Message-ID: <20170915042154.GJ24844@tassilo.jf.intel.com>
Date:   Thu, 14 Sep 2017 21:21:54 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     禹舟键 <ufo19890607@...il.com>
Cc:     peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
        David Ahern <dsahern@...il.com>, namhyung@...nel.org,
        Wind Yu <yuzhoujian@...ichuxing.com>,
        Milian Wolff <milian.wolff@...b.com>, sj38.park@...il.com,
        tardyp@...il.com, linux-perf-users@...r.kernel.org,
        linux-kernel@...r.kernel.org, acme@...hat.com
Subject: Re: Port the period data column to centos6.7 for perf script

On Fri, Sep 15, 2017 at 10:24:15AM +0800, 禹舟键 wrote:
>    Hi, all.
>    I want to draw off-cpu flamegraph using perf script on centos6.7(kernel
>    version, 2.6.32-573), and I found perf script lacks the period data column
>    on that version. IÂ  found two related patches, and modifed
>    builin-script.c in reference to those patches.
>    perf script:Add period data column authorJiri Olsa 2014-08-25 16:45:42
>    +0200 commit535aeaae7de821ba5d43ee2a204ee667ca95aae4
>    perf script: Add period as a default output column
>    commite8564b710c6df2c3aeb56c507c22f4bcfa4c0b2d)
> 

I would just compile the newer perf binary for Centos6 and use that. It should
work with older kernels too. That's much easier than backporting, and you get
many more features.

-Andi