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From: Stephen Boyd <swboyd@chromium.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Tri Vo <trong@android.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Viresh Kumar <viresh.kumar@linaro.org>,
	Hridya Valsaraju <hridya@google.com>,
	Sandeep Patil <sspatil@google.com>,
	Kalesh Singh <kaleshsingh@google.com>,
	Ravi Chandra Sadineni <ravisadineni@chromium.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux PM <linux-pm@vger.kernel.org>,
	"Cc: Android Kernel" <kernel-team@android.com>
Subject: Re: [PATCH v6] PM / wakeup: show wakeup sources stats in sysfs
Date: Thu, 01 Aug 2019 16:40:32 -0700	[thread overview]
Message-ID: <5d437871.1c69fb81.74806.02ea@mx.google.com> (raw)
In-Reply-To: <CAJZ5v0jTviWeJhrWHGrtQHrVXAPoHDyFs6-06paJPHX-mH33bg@mail.gmail.com>

Quoting Rafael J. Wysocki (2019-08-01 15:46:33)
> On Fri, Aug 2, 2019 at 12:11 AM Stephen Boyd <swboyd@chromium.org> wrote:
> >
> > Ok. If the device name is going to be something generic like 'wakeupN',
> > then we need to make sure that the wakeup source name is unique.
> > Otherwise, I'm not able to see how userspace will differentiate between
> > two of the same named wakelocks. Before this patch the wakeup source
> > name looks to have been used for debugging, but now it's being used
> > programmatically to let userspace act upon it somehow.
> 
> I'm not actually sure if this patch changes the situation with respect
> to wakeup source names.   User space still can use them for whatever
> it used to use the list in debugfs and that's it.
> 
> That's what I mean by retaining the names for "backwards compatibility only".
> 

Ok, got it. Maybe one day the name attribute will become unimportant if
we have a namespace and process aware wake lock API in userspace.


  reply	other threads:[~2019-08-01 23:40 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-31 21:55 [PATCH v6] PM / wakeup: show wakeup sources stats in sysfs Tri Vo
2019-07-31 21:59 ` Stephen Boyd
2019-07-31 22:16   ` Tri Vo
2019-07-31 22:17   ` Rafael J. Wysocki
2019-07-31 22:31     ` Tri Vo
2019-07-31 22:42       ` Rafael J. Wysocki
2019-07-31 22:58         ` Tri Vo
2019-07-31 23:10           ` Rafael J. Wysocki
2019-07-31 23:27             ` Tri Vo
2019-07-31 23:45             ` Stephen Boyd
2019-08-01  0:45               ` Stephen Boyd
2019-08-01  8:09                 ` Rafael J. Wysocki
2019-08-01 15:31                   ` Stephen Boyd
2019-08-01 17:21                     ` Rafael J. Wysocki
2019-08-01 19:25                       ` Stephen Boyd
2019-08-01 19:36                         ` Greg Kroah-Hartman
2019-08-01 19:50               ` Tri Vo
2019-08-01 20:22                 ` Stephen Boyd
2019-08-01 21:44                   ` Tri Vo
2019-08-01 22:10                     ` Rafael J. Wysocki
2019-08-03 22:40                       ` Tri Vo
2019-08-05  8:32                         ` Rafael J. Wysocki
2019-08-01 22:11                     ` Stephen Boyd
2019-08-01 22:44                       ` Tri Vo
2019-08-01 23:37                         ` Stephen Boyd
2019-08-01 22:46                       ` Rafael J. Wysocki
2019-08-01 23:40                         ` Stephen Boyd [this message]
2019-07-31 23:00         ` Rafael J. Wysocki

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