From mboxrd@z Thu Jan 1 00:00:00 1970 From: ren zhen Subject: Re: [RFC]runtime pm:what does the runtime_usage really mean? Date: Thu, 18 Apr 2013 16:31:01 +0800 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: Received: from mail-ve0-f195.google.com ([209.85.128.195]:45742 "EHLO mail-ve0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966077Ab3DRIbC (ORCPT ); Thu, 18 Apr 2013 04:31:02 -0400 Received: by mail-ve0-f195.google.com with SMTP id m1so1763ves.10 for ; Thu, 18 Apr 2013 01:31:01 -0700 (PDT) In-Reply-To: Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: linux-pm@vger.kernel.org Addtionally, I cannot find any explanation of 'runtime_usage' in Documention/ABI/ directory. On Thu, Apr 18, 2013 at 4:24 PM, ren zhen wrote: > 'runtime_usage' is an attribution of device power, which appears in > /sys/devices/.../power/ directory. > > On Thu, Apr 18, 2013 at 4:18 PM, ren zhen wrote: >> Hi all: >> The power management maillist says: >> " runtime_usage: the runtime PM usage count of a device". >> What does 'runtime_usage' really mean? what situations should >> we use it? And when increase it or decrease it? >> Anyone who know about that, please give me a detailed account >> of 'runtime_usage', a actual example cannot be more better! >> I will appreciate any help. >> >> -- >> Sincerely, >> Ren Zhen > > > > -- > Sincerely, > Ren Zhen -- Sincerely, Ren Zhen