Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753994AbZKVLvh (ORCPT ); Sun, 22 Nov 2009 06:51:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752382AbZKVLvg (ORCPT ); Sun, 22 Nov 2009 06:51:36 -0500 Received: from gateway-1237.mvista.com ([206.112.117.35]:35714 "HELO imap.sh.mvista.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1751659AbZKVLvg (ORCPT ); Sun, 22 Nov 2009 06:51:36 -0500 Message-ID: <4B0925BD.6070507@ru.mvista.com> Date: Sun, 22 Nov 2009 14:51:25 +0300 From: Sergei Shtylyov User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: Ingo Molnar Cc: Wu Zhangjin , Ralf Baechle , linux-mips@linux-mips.org, Thomas Gleixner , Michal Simek , linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] MIPS: Add a high resolution sched_clock() via cnt32_to_63(). References: <20091122081328.GB24558@elte.hu> In-Reply-To: <20091122081328.GB24558@elte.hu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1216 Lines: 49 Hello. Ingo Molnar wrote: >> +config HR_SCHED_CLOCK >> + bool "High Resolution sched_clock()" >> + depends on CSRC_R4K >> + default n >> + help >> + This option enables the MIPS c0 count based high resolution >> + sched_clock(). >> + >> + If you need a ns precision timestamp, You are recommended to enable >> + this option. For example, If you are using the Ftrace subsystem to do >> s/If/if/ >> diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c >> index e95a3cd..4e52cca 100644 >> --- a/arch/mips/kernel/csrc-r4k.c >> +++ b/arch/mips/kernel/csrc-r4k.c >> @@ -6,10 +6,64 @@ >> * Copyright (C) 2007 by Ralf Baechle >> */ >> #include >> +#include >> +#include >> #include >> >> #include >> >> +/* >> + * MIPS' sched_clock implementation. >> > > s/MIPS'/MIPS's > MIPS's is not really a proper English. :-) WBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/