lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20150108051933.GB7268@sejong>
Date:	Thu, 8 Jan 2015 14:19:33 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jiri Olsa <jolsa@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [RFC/PATCHSET 00/37] perf tools: Speed-up perf report by using
 multi thread (v1)

On Wed, Jan 07, 2015 at 10:14:56AM -0500, Stephane Eranian wrote:
> On Wed, Jan 7, 2015 at 2:13 AM, Namhyung Kim <namhyung@...nel.org> wrote:
> > Hi Stephane,
> >
> > On Tue, Jan 06, 2015 at 10:50:44AM -0500, Stephane Eranian wrote:
> >> We use the pipe mode a lot and this would not work there. So no,
> >> I don't like the 2 files solution. But I like the idea of using multiple
> >> threads to speed up processing.
> >
> > Actually it's not 2 files, it's 1 + N files. :)  Anyway, I think the
> > single file + index approach requires seeking to process them, is it
> > ok for pipe-mode?
> >
> There is no seek possible in pipe mode.
> 
> The way this is done (as I remember) is by creating pseudo-record types
> and injecting them in the stream.

Right.  But I have no idea how I can index a live stream and process
it using multiple threads.

Thanks,
Namhyung
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ