linux-kernel - Re: [PATCH 0/3] perf tools: Add data file write interface

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Message-ID: <528F71DB.30603@gmail.com>
Date:	Fri, 22 Nov 2013 08:01:47 -0700
From:	David Ahern <dsahern@...il.com>
To:	Jiri Olsa <jolsa@...hat.com>, linux-kernel@...r.kernel.org
CC:	Ingo Molnar <mingo@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Mike Galbraith <efault@....de>,
	Stephane Eranian <eranian@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: Re: [PATCH 0/3] perf tools: Add data file write interface

On 11/22/13, 7:24 AM, Jiri Olsa wrote:
> David,
> patch 2 could colide with your mmap changes, not sure
> what's your plan with that in near future, let me know
> and I can rebase if needed.

The day job requires some focus for a few days. I was hoping to revisit 
the mmap output end of next week during the holidays here. Make mmap 
optional -- default to write with an option for mmap. Add some builtin 
detection to do the right thing if the user did not specify a preference 
-- system wide tracing should flip to mmap, system wide faults should 
write. Log a warning to the user if the requested option goes against 
that. If Peter or Ingo have other thoughts or ideas to the contrary I'd 
love to hear them before the next iteration.

David
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