linux-kernel - Re: [PATCH 0/6] perf tools: Add wallclock time conversion support

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Message-ID: <20200730221423.GH2638@hirez.programming.kicks-ass.net>
Date:   Fri, 31 Jul 2020 00:14:23 +0200
From:   peterz@...radead.org
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Michael Petlan <mpetlan@...hat.com>,
        Ian Rogers <irogers@...gle.com>,
        Andi Kleen <ak@...ux.intel.com>,
        David Ahern <dsahern@...il.com>,
        Geneviève Bastien <gbastien@...satic.net>,
        Wang Nan <wangnan0@...wei.com>,
        Jeremie Galarneau <jgalar@...icios.com>
Subject: Re: [PATCH 0/6] perf tools: Add wallclock time conversion support

On Thu, Jul 30, 2020 at 11:39:44PM +0200, Jiri Olsa wrote:

> The patchset is adding the ability to display TOD/wallclock timestamp
> in 'perf script' output and in 'perf data convert --to-ctf' subcommand,
> so the converted CTF data contain TOD/wallclock timestamps.

But why? Wallclock is a horrible piece of crap. Why would you want to do
this?