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 16:24:19 +0800 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: Received: from mail-vc0-f194.google.com ([209.85.220.194]:55502 "EHLO mail-vc0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755831Ab3DRIYU (ORCPT ); Thu, 18 Apr 2013 04:24:20 -0400 Received: by mail-vc0-f194.google.com with SMTP id gf12so474143vcb.5 for ; Thu, 18 Apr 2013 01:24:19 -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 '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