Date: Fri, 28 Jun 2013 17:37:36 +0200
From: Ingo Molnar <mingo@kernel.org>
To: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>, Peter Zijlstra <peterz@infradead.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Arnaldo Carvalho de Melo <acme@ghostprotocols.net>,
        Paul Mackerras <paulus@samba.org>, Namhyung Kim <namhyung.kim@lge.com>,
        LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] perf tools: Fixup for removing -f option in perf record
Message-ID: <20130628153736.GA462@gmail.com>
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 <20130627104750.GB27378@dyad.programming.kicks-ass.net>
 <20130628094738.GA28751@krava.brq.redhat.com>
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* David Ahern <dsahern@gmail.com> wrote:

> On 6/28/13 3:47 AM, Jiri Olsa wrote:
> >>>I thought -f was the implied default for ages?
> >>
> >>OK.. I've been dutifully typing it all this while :-)
> >
> >The '-f' option in record command had no affect.. myabe it got
> >depreceated when we started to backup perf.data to perf.data.old..?
> 
> Way back in 2010, 2.6.34 kernel - 7865e817 commit. I've been typing
> the -f for while too. Now about the need for the pesky -f on the
> analysis side....

That's only needed when perf.data is owned by a different user, right?

Thanks,

	Ingo
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