From: Namhyung Kim <namhyung@kernel.org>
To: Jiri Olsa <jolsa@redhat.com>
Cc: linux-kernel@vger.kernel.org,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>, Ingo Molnar <mingo@elte.hu>,
        Paul Mackerras <paulus@samba.org>,
        Corey Ashford <cjashfor@linux.vnet.ibm.com>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        David Ahern <dsahern@gmail.com>, Thomas Renninger <trenn@suse.de>
Subject: Re: [RFC 0/4] perf tools: Remove event types data
References: <1373388539-9347-1-git-send-email-jolsa@redhat.com>
Date: Thu, 11 Jul 2013 15:19:20 +0900
In-Reply-To: <1373388539-9347-1-git-send-email-jolsa@redhat.com> (Jiri Olsa's
	message of "Tue, 9 Jul 2013 18:48:55 +0200")
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On Tue,  9 Jul 2013 18:48:55 +0200, Jiri Olsa wrote:
> hi,
> following up on the 'perf timechart' FIXME note and changing
> its tracepoint match not to use event types data.
>
> In my tests the old and new timechart outputs look the same,
> so.. any other tester would be appreciated ;-)
>
> Also as this was the only user of the event types data
> the rest of the patchset is removing it out of the perf.
>
> The event types data are referenced from the perf data
> file header. The reference (offset & size) stays in the
> header with 0s.
>
> Also the event types data is already duplicated via the
> event_desc FEATURE, so there's no information loss.

I generally agree on removing the event_types but have a couple of
issues on patch 1.  Please see my comments on it.

Thanks,
Namhyung
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