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From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: Adrian Bunk <bunk@kernel.org>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	linux-kernel@vger.kernel.org,
	Rusty Russell <rusty@rustcorp.com.au>,
	Andi Kleen <andi@firstfloor.org>,
	Christoph Hellwig <hch@infradead.org>,
	akpm@osdl.org
Subject: Re: [RFC patch 15/27] Immediate Values - Documentation
Date: Thu, 17 Apr 2008 08:56:04 -0400	[thread overview]
Message-ID: <20080417125604.GA16219@Krystal> (raw)
In-Reply-To: <20080417103635.GG1677@cs181133002.pp.htv.fi>

* Adrian Bunk (bunk@kernel.org) wrote:
> On Thu, Apr 17, 2008 at 06:52:54PM +0900, KOSAKI Motohiro wrote:
> > > +Memory read:
> > > +644.09ツア11.39 - 88.16ツア1.35 = 555.93ツア11.46 cycles
> > > +
> > > +Getppid without memory pressure:
> > > +1462.09ツア18.87 - 150.92ツア1.01 = 1311.17ツア18.90 cycles
> > > +
> > > +Getppid with memory pressure:
> > > +17113.33ツア1655.92 - 578.22ツア269.51 = 16535.11ツア1677.71 cycles
> > > +
> > > +Therefore, if we add 2 markers not based on immediate values to the getppid
> > > +code, which would add 2 memory reads, we would add
> > > +2 * 555.93ツア12.74 = 1111.86ツア25.48 cycles
> > 
> > sorry..
> > 
> > non ascii character is harmful for some language region user.
> > Couldn't you write ascii only?
> 
> The kernel is UTF-8, and this shouldn't be a problem.
> 
> The problem seems to be that Mathieu's emails don't contain a header 
> indicating the charset.
> 

I removed the UTF-8 characters for now. Someday I should fix my
quilt+exit4 setup, when I find the time. :)

Thanks,

Mathieu

> cu
> Adrian
> 
> -- 
> 
>        "Is there not promise of rain?" Ling Tan asked suddenly out
>         of the darkness. There had been need of rain for many days.
>        "Only a promise," Lao Er said.
>                                        Pearl S. Buck - Dragon Seed
> 

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68

  reply	other threads:[~2008-04-17 12:56 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-16 21:34 [RFC patch 00/27] Jump-based NMI-safe immediate values and markers for sched-devel.git Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 01/27] From: Adrian Bunk <bunk@kernel.org> Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 02/27] x86 NMI-safe INT3 and Page Fault Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 03/27] Check for breakpoint in text_poke to eliminate bug_on Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 04/27] Kprobes - use a mutex to protect the instruction pages list Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 05/27] Kprobes - do not use kprobes mutex in arch code Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 06/27] Kprobes - declare kprobe_mutex static Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 07/27] Text Edit Lock - Architecture Independent Code Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 08/27] Text Edit Lock - kprobes architecture independent support Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 09/27] Add all cpus option to stop machine run Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 10/27] Immediate Values - Architecture Independent Code Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 11/27] Immediate Values - Kconfig menu in EMBEDDED Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 12/27] Immediate Values - x86 Optimization Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 13/27] Add text_poke and sync_core to powerpc Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 14/27] Immediate Values - Powerpc Optimization Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 15/27] Immediate Values - Documentation Mathieu Desnoyers
2008-04-17  9:52   ` KOSAKI Motohiro
2008-04-17 10:36     ` Adrian Bunk
2008-04-17 12:56       ` Mathieu Desnoyers [this message]
2008-04-17 12:17     ` [RFC patch 15/27] Immediate Values - Documentation (updated) Mathieu Desnoyers
2008-04-18  2:27       ` KOSAKI Motohiro
2008-04-16 21:34 ` [RFC patch 16/27] Immediate Values Support init Mathieu Desnoyers
2008-04-19 11:04   ` KOSAKI Motohiro
2008-04-19 13:24     ` Mathieu Desnoyers
2008-04-19 14:06       ` KOSAKI Motohiro
2008-04-16 21:34 ` [RFC patch 17/27] Scheduler Profiling - Use Immediate Values Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 18/27] Markers - remove extra format argument Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 19/27] Markers - define non optimized marker Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 20/27] Immediate Values - Move Kprobes x86 restore_interrupt to kdebug.h Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 21/27] Add __discard section to x86 Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 22/27] Immediate Values - x86 Optimization NMI and MCE support Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 23/27] Immediate Values - Powerpc Optimization NMI " Mathieu Desnoyers
2008-04-16 23:09   ` Paul Mackerras
2008-04-16 23:33     ` Mathieu Desnoyers
2008-04-17  0:35       ` Paul Mackerras
2008-04-17  1:24         ` Mathieu Desnoyers
2008-04-19 23:40           ` Paul E. McKenney
2008-04-16 21:34 ` [RFC patch 24/27] Immediate Values Use Arch NMI and MCE Support Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 25/27] Linux Kernel Markers - Use Immediate Values Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 26/27] Immediate Values - Jump Mathieu Desnoyers
2008-04-19 11:41   ` KOSAKI Motohiro
2008-04-19 13:25     ` Mathieu Desnoyers
2008-04-16 21:34 ` [RFC patch 27/27] Markers use imv jump Mathieu Desnoyers

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