Date: Tue, 16 Jul 2013 11:08:05 +0200
From: Borislav Petkov <bp@alien8.de>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Ingo Molnar <mingo@kernel.org>, Robin Holt <holt@sgi.com>,
        Robert Richter <rric@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
        Nate Zimmer <nzimmer@sgi.com>,
        Linux Kernel <linux-kernel@vger.kernel.org>,
        Linux MM <linux-mm@kvack.org>, Rob Landley <rob@landley.net>,
        Mike Travis <travis@sgi.com>,
        Daniel J Blueman <daniel@numascale-asia.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Greg KH <gregkh@linuxfoundation.org>, Yinghai Lu <yinghai@kernel.org>,
        Mel Gorman <mgorman@suse.de>, Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [RFC 0/4] Transparent on-demand struct page initialization
 embedded in the buddy allocator
Message-ID: <20130716090805.GC4402@pd.tnic>
References: <1373594635-131067-1-git-send-email-holt@sgi.com>
 <20130712082756.GA4328@gmail.com>
 <20130716085502.GA31276@lge.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <20130716085502.GA31276@lge.com>
User-Agent: Mutt/1.5.21 (2010-09-15)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 706
Lines: 20

On Tue, Jul 16, 2013 at 05:55:02PM +0900, Joonsoo Kim wrote:
> How about executing a perf in usermodehelper and collecting output
> in tmpfs? Using this approach, we can start a perf after rootfs
> initialization,

What for if we can start logging to buffers much earlier? *Reading*
from those buffers can be done much later, at our own leisure with full
userspace up.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/