linux-kernel - Re: [PATCH v6 2/2] perf stat: add interval printing

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Date:	Mon, 28 Jan 2013 19:26:17 +0100
From:	Stephane Eranian <eranian@...gle.com>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"mingo@...e.hu" <mingo@...e.hu>,
	"ak@...ux.intel.com" <ak@...ux.intel.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung.kim@....com>
Subject: Re: [PATCH v6 2/2] perf stat: add interval printing

On Mon, Jan 28, 2013 at 6:59 PM, Arnaldo Carvalho de Melo
<acme@...hat.com> wrote:
> Em Fri, Jan 25, 2013 at 04:21:11PM +0100, Stephane Eranian escreveu:
>> On Fri, Jan 25, 2013 at 3:52 AM, Arnaldo Carvalho de Melo
>> <acme@...hat.com> wrote:
>> > Em Tue, Jan 22, 2013 at 02:18:52PM +0100, Stephane Eranian escreveu:
>> >> This patch adds a new printing mode for perf stat.
>> >> It allows internval printing. That means perf stat
>> >> can now print event deltas at regular time interval.
>> >> This is useful to detect phases in programs.
>> >
>> > This patch is not applying to my perf/core branch, does it depend on
>> > some other outstanding patchset from you?
>> >
>> > Tomorrow probably all I had in this area will be in Ingo's tree, but
>> > can you please take a look at my perf/core branch at:
>> >
>> > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
>> >
>> My patches are always relative to:
>> git://git.kernel.org/pub/scm/linux/kernel/git/tip.tip.git
>>
>> Do you still need to rebase against your tree?
>
> Well, userspace code normally is developed on my tree and eventually
> goes to the one you mentioned. If you make sure that now, that both are
> synched after some weeks, then probably it'll work with my tree.
>
How's the kernel proper side of your tree sync'd with tip.git? I cannot have
the kernel patches for one tree and the perf patches for another. That's a
lot of overhead especially when it comes to testing.
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