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From: Joe Perches <joe@perches.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Shuah Khan <shuah.kh@samsung.com>,
	pavel@ucw.cz, len.brown@intel.com, gregkh@linuxfoundation.org,
	linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	shuahkhan@gmail.com
Subject: Re: [PATCHv v3] power: Include additional information in pm_print_times
Date: Sun, 23 Jun 2013 03:41:20 -0700	[thread overview]
Message-ID: <1371984080.3137.41.camel@joe-AO722> (raw)
In-Reply-To: <2722061.UXbT4p7DY0@vostro.rjw.lan>

On Sun, 2013-06-23 at 12:35 +0200, Rafael J. Wysocki wrote:
> On Sunday, June 23, 2013 03:16:30 AM Joe Perches wrote:
> > On Sun, 2013-06-23 at 12:22 +0200, Rafael J. Wysocki wrote:
> > > On Sunday, June 23, 2013 03:03:31 AM Joe Perches wrote:
> > > > On Sun, 2013-06-23 at 12:07 +0200, Rafael J. Wysocki wrote:
> > > > > On Saturday, June 22, 2013 06:05:50 PM Joe Perches wrote:
> > > > > > If any script needs something stable it should
> > > > > > depend on information available through other
> > > > > > sources like trace or proc or sysfs.
> > > > > 
> > > > > That is clearly impossible in this particular case, though.
> > > > 
> > > > Why couldn't this printk be converted into an equivalent tracepoint?
> > > 
> > > Well, why wouldn't you try to do that?
> > 
> > Why should I?
>
> Because you're arguing that it should be done.
>
> If you think that it's better to use tracepoints here, please implement those
> tracepoints and show everyone that they are really better than what we have.

Nope, you're arguing that dmesg output, known to be non-stable,
should not have this particular message changed.

You stated "<it's> clearly impossible".  I do dispute that.

If you need something stable, you shouldn't use dmesg,
That's a simple statement, not anything else.

Right now, I don't care if this particular message changes.
I'm not doing any PM testing or timing at the moment.

> Till then, we'll use what's already there.

Fine by me.  It's up to Shuah Khan to get a patch accepted.

cheers, Joe


  reply	other threads:[~2013-06-23 10:41 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-17 19:36 [PATCHv v3] power: Include additional information in pm_print_times Shuah Khan
2013-06-17 19:41 ` Greg KH
2013-06-17 20:24 ` Alan Stern
2013-06-18 14:54   ` Shuah Khan
2013-06-22  0:24 ` Rafael J. Wysocki
2013-06-22  0:58   ` Shuah Khan
2013-06-23 11:36     ` Rafael J. Wysocki
2013-06-23 11:34       ` Joe Perches
2013-06-23 21:59         ` Rafael J. Wysocki
2013-06-24 16:25           ` Shuah Khan
2013-06-24 16:37             ` Shuah Khan
2013-06-24 19:45               ` Rafael J. Wysocki
2013-06-24 20:38                 ` Shuah Khan
2013-06-22  2:27   ` Joe Perches
2013-06-22 19:52     ` Rafael J. Wysocki
2013-06-23  1:05       ` Joe Perches
2013-06-23  9:54         ` Pavel Machek
2013-06-23 10:07         ` Rafael J. Wysocki
2013-06-23 10:03           ` Joe Perches
2013-06-23 10:22             ` Rafael J. Wysocki
2013-06-23 10:16               ` Joe Perches
2013-06-23 10:35                 ` Rafael J. Wysocki
2013-06-23 10:41                   ` Joe Perches [this message]
2013-06-23 11:24                     ` Rafael J. Wysocki

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